H02K1/00	7	Details of the magnetic circuit (magnetic circuits for relays H01H50/16)	H02K1/00	H02K1/00		167
H02K1/02	8	characterised by the magnetic material	H02K1/02	H02K1/02		3284
H02K1/04	8	characterised by the material used for insulating the magnetic circuit or parts thereof	H02K1/04	H02K1/04		1029
H02K1/06	8	characterised by the shape, form or construction	H02K1/06	H02K1/06		1344
H02K1/08	9	Salient poles	H02K1/08	H02K1/08		414
H02K1/10	10	Commutating poles	H02K1/10	H02K1/10		66
H02K1/12	9	Stationary parts of the magnetic circuit	H02K1/12	H02K1/12		4604
H02K1/14	10	Stator cores with salient poles	H02K1/14	H02K1/14		2513
H02K1/141	11	{consisting of C-shaped cores}	H02K1/14	H02K1/14		474
H02K1/143	12	{of the horse-shoe type}	H02K1/14	H02K1/14		339
H02K1/145	11	{having an annular coil, e.g. of the claw-pole type}	H02K1/14	H02K1/14		1177
H02K1/146	11	{consisting of a generally annular yoke with salient poles}	H02K1/14	H02K1/14		4192
H02K1/148	12	{Sectional cores (H02K1/141 takes precedence)}	H02K1/14	H02K1/14		3487
H02K1/16	10	Stator cores with slots for windings	H02K1/16	H02K1/16		4954
H02K1/165	11	{Shape, form or location of the slots}	H02K1/16	H02K1/16		3762
H02K1/17	10	Stator cores with permanent magnets	H02K1/17	H02K1/17		2987
H02K1/18	10	Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures	H02K1/18	H02K1/18		2063
H02K1/182	11	{to stators axially facing the rotor, i.e. with axial or conical air gap}	H02K1/18	H02K1/18		975
H02K1/185	11	{to outer stators}	H02K1/18	H02K1/18		3952
H02K1/187	11	{to inner stators}	H02K1/18	H02K1/18		1591
H02K1/20	10	with channels or ducts for flow of cooling medium	H02K1/20	H02K1/20		4723
H02K1/22	9	Rotating parts of the magnetic circuit	H02K1/22	H02K1/22		3769
H02K1/223	10	{Rotor cores with windings and permanent magnets (for additional excitation in synchronous motors or generators H02K21/042; in synchronous motors having additional short-circuited winding for starting as an asynchronous motor H02K21/46)}	H02K1/22	H02K1/22		329
H02K1/24	10	Rotor cores with salient poles {; Variable reluctance rotors}	H02K1/24	H02K1/24		2204
H02K1/243	11	{of the claw-pole type}	H02K1/24	H02K1/24		621
H02K1/246	11	{Variable reluctance rotors}	H02K1/24	H02K1/24		1207
H02K1/26	10	Rotor cores with slots for windings	H02K1/26	H02K1/26		1073
H02K1/265	11	{Shape, form or location of the slots}	H02K1/26	H02K1/26		696
H02K1/27	10	Rotor cores with permanent magnets	H02K1/27	H02K1/27		3935
H02K1/2706	11	Inner rotors	H02K1/2706	H02K1/2706		2027
H02K1/2713	12	the magnetisation axis of the magnets being axial, e.g. claw-pole type	H02K1/2713	H02K1/2713		390
H02K1/272	12	the magnetisation axis of the magnets being perpendicular to the rotor axis	H02K1/272	H02K1/272		229
H02K1/2726	13	the rotor consisting of a single magnet or two or more axially juxtaposed single magnets	H02K1/2726	H02K1/2726		386
H02K1/2733	14	Annular magnets	H02K1/2733	H02K1/2733		1041
H02K1/274	13	the rotor consisting of two or more circumferentially positioned magnets	H02K1/274	H02K1/274		1135
H02K1/2746	14	the rotor consisting of magnets arranged with the same polarity, e.g. consequent pole type	H02K1/2746	H02K1/2746		357
H02K1/2753	14	the rotor consisting of magnets or groups of magnets arranged with alternating polarity	H02K1/2753	H02K1/2753		822
H02K1/276	15	Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]	H02K1/276	H02K1/276		5166
H02K1/2766	16	{having a flux concentration effect}	H02K1/276	H02K1/276		2977
H02K1/2773	17	{consisting of tangentially magnetized radial magnets}	H02K1/276	H02K1/27		1372
H02K1/278	15	Surface mounted magnets; Inset magnets	H02K1/278	H02K1/278		3863
H02K1/2781	16	Magnets shaped to vary the mechanical air gap between the magnets and the stator	H02K1/2781	H02K1/2781		290
H02K1/2783	16	with magnets arranged in Halbach arrays	H02K1/2783	H02K1/2783		260
H02K1/2786	11	Outer rotors	H02K1/2786	H02K1/2786		1400
H02K1/2787	12	the magnetisation axis of the magnets being perpendicular to the rotor axis	H02K1/2787	H02K1/2787		23
H02K1/2788	13	the rotor consisting of a single magnet or two or more axially juxtaposed single magnets	H02K1/2788	H02K1/2788		220
H02K1/2789	13	the rotor consisting of two or more circumferentially positioned magnets	H02K1/2789	H02K1/2789		80
H02K1/279	14	Magnets embedded in the magnetic core	H02K1/279	H02K1/279		262
H02K1/2791	14	Surface mounted magnets; Inset magnets	H02K1/2791	H02K1/2791		2015
H02K1/27915	15	Magnets shaped to vary the mechanical air gap between the magnets and the stator	H02K1/27915	H02K1/27915		79
H02K1/2792	15	with magnets arranged in Halbach arrays	H02K1/2792	H02K1/2792		162
H02K1/2793	11	Rotors axially facing stators	H02K1/2793	H02K1/2793		796
H02K1/2795	12	the rotor consisting of two or more circumferentially positioned magnets	H02K1/2795	H02K1/2795		750
H02K1/2796	13	where both axial sides of the rotor face a stator	H02K1/2796	H02K1/2796		445
H02K1/2798	13	where both axial sides of the stator face a rotor	H02K1/2798	H02K1/2798		479
H02K1/28	10	Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures	H02K1/28	H02K1/28		6364
H02K1/30	11	using intermediate parts, e.g. spiders	H02K1/30	H02K1/30		2439
H02K1/32	10	with channels or ducts for flow of cooling medium	H02K1/32	H02K1/32		4633
H02K1/325	11	{between salient poles}	H02K1/32	H02K1/32		207
H02K1/34	9	Reciprocating, oscillating or vibrating parts of the magnetic circuit	H02K1/34	H02K1/34		998
H02K3/00	7	Details of windings	H02K3/00	H02K3/00		491
H02K3/02	8	Windings characterised by the conductor material	H02K3/02	H02K3/02		725
H02K3/04	8	Windings characterised by the conductor shape, form or construction, e.g. with bar conductors	H02K3/04	H02K3/04		2535
H02K3/12	9	arranged in slots	H02K3/12	H02K3/12		4862
H02K3/14	10	with transposed conductors, e.g. twisted conductors	H02K3/14	H02K3/14		817
H02K3/16	10	for  auxiliary purposes, e.g. damping or commutating	H02K3/16	H02K3/16		502
H02K3/18	9	Windings for salient poles	H02K3/18	H02K3/18		2036
H02K3/20	10	for  auxiliary purposes, e.g. damping or commutating	H02K3/20	H02K3/20		479
H02K3/22	9	consisting of hollow conductors	H02K3/22	H02K3/22		696
H02K3/24	9	with channels or ducts for cooling medium between the conductors 	H02K3/24	H02K3/24		3481
H02K3/26	9	consisting of printed conductors	H02K3/26	H02K3/26		1416
H02K3/28	9	Layout of windings or of connections between windings (windings for pole-changing H02K17/06, H02K17/14, H02K19/12, H02K19/32)	H02K3/28	H02K3/28		10062
H02K3/30	8	Windings characterised by the insulating material	H02K3/30	H02K3/30		1429
H02K3/32	8	Windings characterised by the shape, form or construction of the insulation	H02K3/32	H02K3/32		1036
H02K3/325	9	{for windings on salient poles, such as claw-shaped poles}	H02K3/32	H02K3/32		957
H02K3/34	9	between conductors or between conductor and core, e.g. slot insulation	H02K3/34	H02K3/34		1956
H02K3/345	10	{between conductor and core, e.g. slot insulation}	H02K3/34	H02K3/34		2914
H02K3/38	9	around winding heads, equalising connectors, or connections thereto	H02K3/38	H02K3/38		1745
H02K3/40	9	for high voltage, e.g. affording protection against corona discharges	H02K3/40	H02K3/40		831
H02K3/42	8	Means for preventing or reducing eddy-current losses in the winding heads, e.g. by shielding	H02K3/42	H02K3/42		328
H02K3/44	8	Protection against moisture or chemical attack; Windings specially adapted for operation in liquid or gas	H02K3/44	H02K3/44		509
H02K3/46	8	Fastening of windings on the stator or rotor structure	H02K3/46	H02K3/46		1809
H02K3/47	9	Air-gap windings, i.e. iron-free windings	H02K3/47	H02K3/47		1238
H02K3/48	9	in slots	H02K3/48	H02K3/48		1895
H02K3/487	10	Slot-closing devices	H02K3/487	H02K3/487		1228
H02K3/493	11	magnetic	H02K3/493	H02K3/493		548
H02K3/50	9	Fastening of winding heads, equalising connectors, or connections thereto	H02K3/50	H02K3/50		4941
H02K3/505	10	{for large machine windings, e.g. bar windings (H02K3/51 takes precedence)}	H02K3/50	H02K3/50		894
H02K3/51	10	applicable to rotors only	H02K3/51	H02K3/51		1000
H02K3/52	9	Fastening salient pole windings or connections thereto	H02K3/52	H02K3/52		561
H02K3/521	10	{applicable to stators only}	H02K3/52	H02K3/52		408
H02K3/522	11	{for generally annular cores with salient poles}	H02K3/52	H02K3/52		4699
H02K3/524	11	{for U-shaped, E-shaped or similarly shaped cores}	H02K3/52	H02K3/52		204
H02K3/525	11	{Annular coils, e.g. for cores of the claw-pole type}	H02K3/52	H02K3/52		355
H02K3/527	10	{applicable to rotors only}	H02K3/52	H02K3/52		717
H02K3/528	11	{of the claw-pole type}	H02K3/52	H02K3/52		160
H02K5/00	7	Casings; Enclosures; Supports 	H02K5/00	H02K5/00		2869
H02K5/02	8	Casings or enclosures characterised by the material thereof	H02K5/02	H02K5/02		1425
H02K5/04	8	Casings or enclosures characterised by the shape, form or construction thereof	H02K5/04	H02K5/04		9093
H02K5/06	9	Cast metal casings	H02K5/06	H02K5/06		646
H02K5/08	9	Insulating casings	H02K5/08	H02K5/08		1785
H02K5/10	9	with arrangements for protection from ingress, e.g. water or fingers	H02K5/10	H02K5/10		7981
H02K5/12	9	specially adapted for operating in liquid or gas (combined with cooling arrangements H02K9/00)	H02K5/12	H02K5/12		988
H02K5/124	10	Sealing  of shafts	H02K5/124	H02K5/124		1656
H02K5/128	10	using air-gap sleeves or air-gap discs	H02K5/128	H02K5/128		1991
H02K5/1282	11	{the partition wall in the air-gap being non cylindrical}	H02K5/128	H02K5/128		228
H02K5/1285	11	{of the submersible type}	H02K5/128	H02K5/128		377
H02K5/132	10	Submersible electric  motors (H02K5/128 takes precedence)	H02K5/132	H02K5/132		1763
H02K5/136	10	explosion-proof	H02K5/136	H02K5/136		762
H02K5/14	9	Means for supporting or protecting brushes or brush holders	H02K5/14	H02K5/14		924
H02K5/141	10	{for cooperation with slip-rings}	H02K5/14	H02K5/14		619
H02K5/143	10	{for cooperation with commutators}	H02K5/14	H02K5/14		411
H02K5/145	11	{Fixedly supported brushes or brush holders, e.g. leaf or leaf-mounted brushes}	H02K5/14	H02K5/14		546
H02K5/146	11	{Pivotally supported brushes or brush holders}	H02K5/14	H02K5/14		149
H02K5/148	11	{Slidably supported brushes}	H02K5/14	H02K5/14		1908
H02K5/15	9	Mounting arrangements for bearing-shields or end plates	H02K5/15	H02K5/15		2754
H02K5/16	9	Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields (magnetic bearings H02K7/09)	H02K5/16	H02K5/16		2480
H02K5/161	10	{radially supporting the rotary shaft at both ends of the rotor (H02K5/165, H02K5/167, H02K5/173 take precedence)}	H02K5/16	H02K5/16		2199
H02K5/163	10	{radially supporting the rotary shaft at only one end of the rotor (H02K5/165, H02K5/167, H02K5/173 take precedence)}	H02K5/16	H02K5/16		865
H02K5/165	10	{radially supporting the rotor around a fixed spindle; radially supporting the rotor directly (H02K5/167, H02K5/173 take precedence)}	H02K5/16	H02K5/16		338
H02K5/167	10	using sliding-contact or spherical cap bearings	H02K5/167	H02K5/167		618
H02K5/1672	11	{radially supporting the rotary shaft at both ends of the rotor (H02K5/1677 takes precedence)}	H02K5/167	H02K5/167		1573
H02K5/1675	11	{radially supporting the rotary shaft at only one end of the rotor (H02K5/1677 takes precedence)}	H02K5/167	H02K5/167		1096
H02K5/1677	11	{radially supporting the rotor around a fixed spindle; radially supporting the rotor directly}	H02K5/167	H02K5/167		467
H02K5/173	10	using bearings with rolling contact, e.g. ball bearings	H02K5/173	H02K5/173		857
H02K5/1732	11	{radially supporting the rotary shaft at both ends of the rotor (H02K5/1737 takes precedence)}	H02K5/173	H02K5/173		2919
H02K5/1735	11	{radially supporting the rotary shaft at only one end of the rotor (H02K5/1737 takes precedence)}	H02K5/173	H02K5/173		880
H02K5/1737	11	{radially supporting the rotor around a fixed spindle; radially supporting the rotor directly}	H02K5/173	H02K5/173		454
H02K5/18	9	with ribs or fins for improving heat transfer	H02K5/18	H02K5/18		4056
H02K5/20	9	with channels or ducts for flow of cooling medium	H02K5/20	H02K5/20		4879
H02K5/203	10	{specially adapted for liquids, e.g. cooling jackets}	H02K5/20	H02K5/20		5823
H02K5/207	10	{with openings in the casing specially adapted for ambient air}	H02K5/20	H02K5/20		4016
H02K5/22	9	Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes	H02K5/22	H02K5/22		2140
H02K5/225	10	{Terminal boxes or connection arrangements (specially adapted for submersible motors H02K5/132)}	H02K5/22	H02K5/22		10153
H02K5/24	8	specially adapted for suppression or reduction of noise or vibrations	H02K5/24	H02K5/24		8981
H02K5/26	8	Means for adjusting casings relative to their supports	H02K5/26	H02K5/26		1623
H02K7/00	7	Arrangements for handling mechanical energy structurally associated  with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines	H02K7/00	H02K7/00		946
H02K7/003	8	{Couplings; Details of shafts (means for mounting rotors on shafts H02K1/28)}	H02K7/00	H02K7/00		6064
H02K7/006	8	{Structural association of a motor or generator with the drive train of a motor vehicle}	H02K7/00	H02K7/00		2455
H02K7/02	8	Additional mass for increasing inertia, e.g.  flywheels	H02K7/02	H02K7/02		1045
H02K7/025	9	{for power storage}	H02K7/02	H02K7/02		1831
H02K7/04	8	Balancing means	H02K7/04	H02K7/04		1449
H02K7/06	8	Means for converting reciprocating motion into rotary motion or vice versa	H02K7/06	H02K7/06		5947
H02K7/061	9	{using rotary unbalanced masses (for generating mechanical vibrations in general B06B1/16)}	H02K7/06	H02K7/06		415
H02K7/063	10	{integrally combined with motor parts, e.g. motors with eccentric rotors}	H02K7/06	H02K7/06		570
H02K7/065	9	Electromechanical oscillators; Vibrating magnetic drives	H02K7/065	H02K7/065		1489
H02K7/07	9	using pawls and ratchet wheels	H02K7/07	H02K7/07		80
H02K7/075	9	using crankshafts or eccentrics	H02K7/075	H02K7/075		1063
H02K7/08	8	Structural association with bearings	H02K7/08	H02K7/08		2284
H02K7/081	9	{specially adapted for worm gear drives (H02K7/09 takes precedence)}	H02K7/08	H02K7/08		575
H02K7/083	9	{radially supporting the rotary shaft at both ends of the rotor (H02K7/086, H02K7/09 take precedence)}	H02K7/08	H02K7/08		2526
H02K7/085	9	{radially supporting the rotary shaft at only one end of the rotor (H02K7/086, H02K7/09 take precedence)}	H02K7/08	H02K7/08		1600
H02K7/086	9	{radially supporting the rotor around a fixed spindle; radially supporting the rotor directly (H02K7/09 takes precedence)}	H02K7/08	H02K7/08		570
H02K7/088	10	{radially supporting the rotor directly}	H02K7/08	H02K7/08		583
H02K7/09	9	with magnetic bearings	H02K7/09	H02K7/09		2462
H02K7/10	8	Structural association with clutches, brakes, gears, pulleys or mechanical starters<br><br><u>NOTE</u><br><br>Group H02K7/12 takes precedence over groups H02K7/102&#160;-&#160;H02K7/118	H02K7/10	H02K7/10		5287
H02K7/1004	9	{with pulleys}	H02K7/10	H02K7/10		1290
H02K7/1008	10	{structurally associated with the machine rotor (H02K7/1012 takes precedence)}	H02K7/10	H02K7/10		467
H02K7/1012	10	{Machine arranged inside the pulley}	H02K7/10	H02K7/10		118
H02K7/1016	11	{Machine of the outer rotor type}	H02K7/10	H02K7/10		146
H02K7/102	9	with friction brakes	H02K7/102	H02K7/102		1551
H02K7/1021	10	{Magnetically influenced friction brakes}	H02K7/102	H02K7/102		171
H02K7/1023	11	{using electromagnets}	H02K7/102	H02K7/102		528
H02K7/1025	12	{using axial electromagnets with generally annular air gap}	H02K7/102	H02K7/102		610
H02K7/1026	11	{using stray fields}	H02K7/102	H02K7/102		49
H02K7/1028	12	{axially attracting the brake armature in the frontal area of the magnetic core}	H02K7/102	H02K7/102		187
H02K7/104	9	with eddy-current brakes	H02K7/104	H02K7/104		152
H02K7/106	9	with dynamo-electric brakes	H02K7/106	H02K7/106		410
H02K7/108	9	with friction clutches	H02K7/108	H02K7/108		1226
H02K7/1085	10	{Magnetically influenced friction clutches}	H02K7/108	H02K7/108		237
H02K7/11	9	with dynamo-electric clutches	H02K7/11	H02K7/11		687
H02K7/112	9	with friction clutches in combination with brakes	H02K7/112	H02K7/112		217
H02K7/1125	10	{Magnetically influenced friction clutches and brakes}	H02K7/112	H02K7/112		144
H02K7/114	9	with dynamo-electric clutches in combination with brakes	H02K7/114	H02K7/114		54
H02K7/116	9	with gears	H02K7/116	H02K7/116		14537
H02K7/1163	10	{where at least two gears have non-parallel axes without having orbital motion}	H02K7/116	H02K7/116		819
H02K7/1166	11	{comprising worm and worm-wheel (structural association with bearings specially adapted for worm gear drives H02K7/081)}	H02K7/116	H02K7/116		2638
H02K7/118	9	with starting devices	H02K7/118	H02K7/118		465
H02K7/1185	10	{with a mechanical one-way direction control, i.e. with means for reversing the direction of rotation of the rotor}	H02K7/118	H02K7/118		307
H02K7/12	9	with auxiliary limited movement of stators, rotors or core parts, e.g.  rotors axially movable for the purpose of clutching or braking	H02K7/12	H02K7/12		479
H02K7/125	10	{magnetically influenced}	H02K7/12	H02K7/12		596
H02K7/14	8	Structural association with mechanical loads, e.g. with hand-held machine tools or fans (with fan or impeller for cooling the machine H02K9/06)	H02K7/14	H02K7/14		11033
H02K7/145	9	{Hand-held machine tool}	H02K7/14	H02K7/14		1487
H02K7/16	9	for operation above the critical speed of vibration of the rotating parts	H02K7/16	H02K7/16		277
H02K7/18	8	Structural association of electric generators with mechanical driving motors, e.g. with turbines	H02K7/18	H02K7/18		1357
H02K7/1807	9	{Rotary generators (H02K7/006 takes precedence)}	H02K7/18	H02K7/18		2610
H02K7/1815	10	{structurally associated with reciprocating piston engines (general aspects of generating sets, e.g. housing, F02B63/04)}	H02K7/18	H02K7/18		1156
H02K7/1823	10	{structurally associated with turbines or similar engines}	H02K7/18	H02K7/18		3786
H02K7/183	11	{wherein the turbine is a wind turbine (adaptation of a wind turbine to an electric generator F03D9/25)}	H02K7/18	H02K7/18		1848
H02K7/1838	12	{Generators mounted in a nacelle or similar structure of a horizontal axis wind turbine}	H02K7/18	H02K7/18		1359
H02K7/1846	10	{structurally associated with wheels or associated parts (dynamos arranged in the wheel hub of cycles B62J6/12)}	H02K7/18	H02K7/18		1654
H02K7/1853	10	{driven by intermittent forces}	H02K7/18	H02K7/18		1444
H02K7/1861	10	{driven by animals or vehicles (H02K7/1853 takes precedence)}	H02K7/18	H02K7/18		970
H02K7/1869	9	{Linear generators; sectional generators}	H02K7/18	H02K7/18		256
H02K7/1876	10	{with reciprocating, linearly oscillating or vibrating parts}	H02K7/18	H02K7/18		934
H02K7/1884	11	{structurally associated with free piston engines}	H02K7/18	H02K7/18		391
H02K7/1892	9	{Generators with parts oscillating or vibrating about an axis}	H02K7/18	H02K7/18		275
H02K7/20	8	Structural association with auxiliary dynamo-electric machines, e.g. with electric starter motors or exciters	H02K7/20	H02K7/20		1484
H02K9/00	7	Arrangements for cooling or ventilating (channels or ducts in parts of the magnetic circuit H02K1/20, H02K1/32; channels or ducts in or between conductors H02K3/22, H02K3/24)	H02K9/00	H02K9/00		2310
H02K9/02	8	by ambient air flowing through the machine	H02K9/02	H02K9/02		1495
H02K9/04	9	having means for generating a flow of cooling medium	H02K9/04	H02K9/04		3662
H02K9/06	10	with fans or impellers driven by the machine shaft	H02K9/06	H02K9/06		9252
H02K9/08	8	by gaseous cooling medium circulating wholly within the machine casing (H02K9/10 takes precedence)	H02K9/08	H02K9/08		790
H02K9/10	8	by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing	H02K9/10	H02K9/10		777
H02K9/12	9	wherein the cooling medium circulates freely within the casing	H02K9/12	H02K9/12		525
H02K9/14	8	wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle	H02K9/14	H02K9/14		1065
H02K9/16	9	wherein the cooling medium circulates through ducts or tubes within the casing	H02K9/16	H02K9/16		373
H02K9/18	9	wherein the external part of the closed circuit comprises a heat exchanger structurally associated with the machine casing	H02K9/18	H02K9/18		740
H02K9/19	8	for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil	H02K9/19	H02K9/19		9572
H02K9/193	9	with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium	H02K9/193	H02K9/193		2309
H02K9/197	9	in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator	H02K9/197	H02K9/197		1971
H02K9/20	9	wherein the cooling medium vaporises within the machine casing	H02K9/20	H02K9/20		1190
H02K9/22	8	by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges	H02K9/22	H02K9/22		1465
H02K9/223	9	{Heat bridges}	H02K9/22	H02K9/22		1122
H02K9/225	9	{Heat pipes}	H02K9/22	H02K9/22		630
H02K9/227	9	{Heat sinks}	H02K9/22	H02K9/22		1962
H02K9/24	8	Protection against failure of cooling arrangements, e.g. due to loss of cooling medium or due to interruption of the circulation of cooling medium	H02K9/24	H02K9/24		632
H02K9/26	8	Structural  association of machines with devices for cleaning or drying cooling medium, e.g. with filters	H02K9/26	H02K9/26		1022
H02K9/28	8	Cooling of commutators, slip-rings or brushes e.g. by ventilating	H02K9/28	H02K9/28		805
H02K11/00	7	Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection (casings, enclosures or supports H02K5/00)	H02K11/00	H02K11/00		1089
H02K11/0094	8	{Structural association with other electrical or electronic devices}	H02K11/00	H02K11/00		2772
H02K11/01	8	for shielding from electromagnetic fields {, i.e. structural association with shields}(means for preventing or reducing eddy-current losses in the winding heads by shielding H02K3/42)	H02K11/01	H02K11/01		310
H02K11/012	9	{Shields associated with rotating parts, e.g. rotor cores or rotary shafts}	H02K11/01	H02K11/01		244
H02K11/014	9	{Shields associated with stationary parts, e.g. stator cores}	H02K11/01	H02K11/01		210
H02K11/0141	10	{Shields associated with casings, enclosures or brackets}	H02K11/01	H02K11/01		702
H02K11/02	8	for suppression of electromagnetic interference	H02K11/02	H02K11/02		823
H02K11/026	9	Suppressors associated with brushes, brush holders or their supports	H02K11/026	H02K11/026		683
H02K11/028	9	Suppressors associated with the rotor	H02K11/028	H02K11/028		370
H02K11/04	8	for rectification	H02K11/04	H02K11/04		212
H02K11/042	9	Rectifiers associated with rotating parts, e.g. rotor cores or rotary shafts	H02K11/042	H02K11/042		576
H02K11/049	9	Rectifiers associated with stationary parts, e.g. stator cores	H02K11/049	H02K11/049		215
H02K11/05	10	Rectifiers associated with casings, enclosures or brackets	H02K11/05	H02K11/05		1443
H02K11/20	8	for measuring, monitoring, testing, protecting or switching (rectifiers H02K11/04; power electronics H02K11/33)	H02K11/20	H02K11/20		3039
H02K11/21	9	Devices for sensing speed or position, or actuated thereby (specially adapted for machines having non-mechanical commutating devices H02K29/06, H02K29/14)	H02K11/21	H02K11/21		3753
H02K11/215	10	Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements	H02K11/215	H02K11/215		4527
H02K11/22	10	Optical devices	H02K11/22	H02K11/22		942
H02K11/225	10	Detecting coils	H02K11/225	H02K11/225		715
H02K11/23	10	Mechanically-actuated centrifugal switches	H02K11/23	H02K11/23		527
H02K11/24	9	Devices for sensing torque, or actuated thereby (H02K11/27 takes precedence)	H02K11/24	H02K11/24		443
H02K11/25	9	Devices for sensing temperature, or actuated thereby	H02K11/25	H02K11/25		3324
H02K11/26	9	Devices for sensing voltage, or actuated thereby, e.g. overvoltage protection devices	H02K11/26	H02K11/26		348
H02K11/27	9	Devices for sensing current, or actuated thereby (overcurrent protection responsive to temperature of the machines or parts thereof, e.g. windings, H02K11/25)	H02K11/27	H02K11/27		699
H02K11/28	9	Manual switches	H02K11/28	H02K11/28		229
H02K11/30	8	Structural association with control circuits or drive circuits	H02K11/30	H02K11/30		3524
H02K11/33	9	Drive circuits, e.g. power electronics (H02K11/38 takes precedence)	H02K11/33	H02K11/33		8996
H02K11/35	9	Devices for recording or transmitting machine parameters, e.g. memory chips or radio transmitters for diagnosis	H02K11/35	H02K11/35		617
H02K11/38	9	Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type	H02K11/38	H02K11/38		326
H02K11/40	8	Structural association with grounding devices	H02K11/40	H02K11/40		1848
H02K13/00	7	Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings (supporting or protecting brushes or brush holders in motor casings or enclosures H02K5/14); Disposition of current collectors in motors or generators; Arrangements for improving commutation 	H02K13/00	H02K13/00		878
H02K13/003	8	{Structural associations of slip-rings}	H02K13/00	H02K13/00		983
H02K13/006	8	{Structural associations of commutators}	H02K13/00	H02K13/00		1329
H02K13/02	8	Connections between slip-rings and windings	H02K13/02	H02K13/02		377
H02K13/04	8	Connections between commutator segments and windings	H02K13/04	H02K13/04		759
H02K13/06	9	Resistive connections, e.g. by high-resistance chokes or by transistors	H02K13/06	H02K13/06		47
H02K13/08	9	Segments formed by extensions of the winding	H02K13/08	H02K13/08		100
H02K13/10	8	Arrangements of brushes or commutators  specially adapted for improving commutation	H02K13/10	H02K13/10		919
H02K13/105	9	{Spark suppressors associated with the commutator}	H02K13/10	H02K13/10		214
H02K13/12	8	Arrangements for producing an axial reciprocation of the rotor and its associated current collector part, e.g. for polishing commutator  surfaces	H02K13/12	H02K13/12		17
H02K13/14	8	Circuit arrangements for improvement of commutation, e.g. by use of unidirectionally conductive elements	H02K13/14	H02K13/14		298
H02K15/00	7	Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines<br><br><u>WARNING</u><br>Group H02K15/00 is impacted by reclassification into groups H02K15/40, H02K15/50, H02K15/60, H02K15/70, H02K15/80, H02K15/90 and H02K15/95.<br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/00	H02K15/00		3862
H02K15/02	8	of stator or rotor bodies<br><br><u>WARNING</u><br>Group H02K15/02 is impacted by reclassification into groups H02K15/021, H02K15/025, H02K15/026, H02K15/027, H02K15/0273, H02K15/0275, H02K15/0278 and H02K15/028. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/02	H02K15/02		7428
H02K15/021	9	Magnetic cores<br><br><u>WARNING</u><br>Groups H02K15/021 and H02K15/025 are incomplete pending reclassification of documents from group H02K15/02. <br>Groups H02K15/02, H02K15/021 and H02K15/025 should be considered in order to perform a complete search.	H02K15/021	H02K15/021		1748
H02K15/022	10	with salient poles<br><br><u>WARNING</u><br>Group H02K15/022 is impacted by reclassification into groups H02K15/0225, H02K15/026 and H02K15/028.<br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/022	H02K15/022		1649
H02K15/0225	11	with claw-shaped poles<br><br><u>WARNING</u><br>Group H02K15/0225 is incomplete pending reclassification of documents from group H02K15/022. <br>Groups H02K15/022 and H02K15/0225 should be considered in order to perform a complete search.	H02K15/0225	H02K15/0225		1
H02K15/023	10	Cage rotors	H02K15/023	H02K15/023		842
H02K15/025	10	characterised by skewed structures in cores	H02K15/025	H02K15/025		5
H02K15/026	10	Wound cores<br><br><u>WARNING</u><br>Group H02K15/026 is incomplete pending reclassification of documents from groups H02K15/02 and H02K15/022. <br>Groups H02K15/02, H02K15/022 and H02K15/026 should be considered in order to perform a complete search.	H02K15/026	H02K15/026		1039
H02K15/027	10	Punching the cores<br><br><u>WARNING</u><br>Groups H02K15/027 is incomplete pending reclassification of documents from group H02K15/02.<br>Groups H02K15/02 and H02K15/027 should be considered in order to perform a complete search.	H02K15/027	H02K15/027		46
H02K15/0273	10	Laminating the cores<br><br><u>WARNING</u><br>Group H02K15/0273 is incomplete pending reclassification of documents from group H02K15/02. <br>Groups H02K15/02 and H02K15/0273 should be considered in order to perform a complete search.	H02K15/0273	H02K15/0273		69
H02K15/0275	10	Annealing the cores<br><br><u>WARNING</u><br>Group H02K15/0275 is incomplete pending reclassification of documents from group H02K15/02. <br>Groups H02K15/02 and H02K15/0275 should be considered in order to perform a complete search.	H02K15/0275	H02K15/0275		3
H02K15/0278	10	Welding the cores<br><br><u>WARNING</u><br>Group H02K15/0278 is incomplete pending reclassification of documents from group H02K15/02. <br>Groups H02K15/02 and H02K15/0278 should be considered in order to perform a complete search.	H02K15/0278	H02K15/0278		16
H02K15/028	9	Fastening stator or rotor bodies to casings, supports, shafts or hubs<br><br><u>WARNING</u><br>Group H02K15/028 is incomplete pending reclassification of documents from groups H02K15/02 and H02K15/022.<br>Groups H02K15/02, H02K15/022 and H02K15/028 should be considered in order to perform a complete search.	H02K15/028	H02K15/028		530
H02K15/03	9	having permanent magnets<br><br><u>WARNING</u><br>Group H02K15/03 is impacted by reclassification into groups H02K15/035 and H02K15/038. <br>Groups H02K15/03, H02K15/035 and H02K15/038 should be considered in order to perform a complete search.	H02K15/03	H02K15/03		6307
H02K15/035	10	on the rotor<br><br><u>WARNING</u><br>Group H02K15/035 is incomplete pending reclassification of documents from group H02K15/03.<br>Groups H02K15/03 and H02K15/035 should be considered in order to perform a complete search.	H02K15/035	H02K15/035		146
H02K15/038	10	Polarising or magnetising the permanent magnets<br><br><u>WARNING</u><br>Group H02K15/038 is incomplete pending reclassification of documents from group H02K15/03. <br>Groups H02K15/03 and H02K15/038 should be considered in order to perform a complete search.	H02K15/038	H02K15/038		21
H02K15/04	8	of windings prior to their mounting into the machines (insulating windings H02K15/10, H02K15/12)<br><br><u>WARNING</u><br>Group H02K15/04 is impacted by reclassification into groups H02K15/043, H02K15/044, H02K15/046, H02K15/047 and H02K15/048. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/04	H02K15/04		844
H02K15/0407	9	Manufacturing of windings by etching, printing or stamping the complete coils	H02K15/0407	H02K15/0407		145
H02K15/0414	9	the windings consisting of separate elements, e.g. bars, segments or half coils	H02K15/0414	H02K15/0414		295
H02K15/0421	10	and consisting of single conductors, e.g. hairpins	H02K15/0421	H02K15/0421		492
H02K15/0428	11	Processes or apparatus for simultaneously twisting two or more hairpins	H02K15/0428	H02K15/0428		209
H02K15/043	9	winding flat conductive wires or sheets<br><br><u>WARNING</u><br>Group H02K15/043 is incomplete pending reclassification of documents from group H02K15/04. <br>Group H02K15/043 is also impacted by reclassification into groups H02K15/0431, H02K15/0432, H02K15/0433, H02K15/0434, H02K15/044, H02K15/046 and H02K15/047. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/043	H02K15/043		994
H02K15/0431	10	{Concentrated windings}<br><br><u>WARNING</u><br>Group H02K15/0431 is incomplete pending reclassification of documents from groups H02K15/043 and H02K15/0432. <br>Group H02K15/0431 is also impacted by reclassification into groups H02K15/0432, H02K15/046 and H02K15/047. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/043	H02K15/043		816
H02K15/0432	10	{Distributed windings}<br><br><u>WARNING</u><br>Group H02K15/0432 is incomplete pending reclassification of documents from groups H02K15/043 and H02K15/0431. <br>Group H02K15/0432 is also impacted by reclassification into groups H02K15/0431, H02K15/046 and H02K15/047. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/043	H02K15/043		156
H02K15/0433	11	{of the wave winding type}<br><br><u>WARNING</u><br>Group H02K15/0433 is incomplete pending reclassification of documents from group H02K15/043.<br>Group H02K15/0433 is also impacted by reclassification into group H02K15/048. <br>Groups H02K15/0433, H02K15/043 and H02K15/048 should be considered in order to perform a complete search.	H02K15/043	H02K15/043		315
H02K15/0434	12	{manufactured by shaping an annular winding}<br><br><u>WARNING</u><br>Group H02K15/0434 is incomplete pending reclassification of documents from groups H02K15/043 and H02K15/0485. <br>Groups H02K15/043, H02K15/0485 and H02K15/0434 should be considered in order to perform a complete search.	H02K15/043	H02K15/043		
H02K15/044	9	winding non-flat conductive wires, e.g. cables or cords<br><br><u>WARNING</u><br>Group H02K15/044 is incomplete pending reclassification of documents from groups H02K15/04 and H02K15/043. <br>Groups H02K15/04, H02K15/043 and H02K15/044 should be considered in order to perform a complete search.	H02K15/044	H02K15/044		10
H02K15/046	10	Concentrated windings<br><br><u>WARNING</u><br>Group H02K15/046 is incomplete pending reclassification of documents from groups H02K15/04, H02K15/043, H02K15/0431 and H02K15/0432. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/046	H02K15/046		5
H02K15/047	10	Distributed windings<br><br><u>WARNING</u><br>Group H02K15/047 is incomplete pending reclassification of documents from groups H02K15/04, H02K15/043, H02K15/0431 and H02K15/0432. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/047	H02K15/047		1
H02K15/048	11	of the wave winding type<br><br><u>WARNING</u><br>Group H02K15/048 is incomplete pending reclassification of documents from groups H02K15/04 and H02K15/0433. <br>Groups H02K15/04, H02K15/0433 and H02K15/048 should be considered in order to perform a complete search.	H02K15/048	H02K15/048		4
H02K15/0485	12	{manufactured by shaping an annular winding}<br><br><u>WARNING</u><br>Group H02K15/0485 is impacted by reclassification into group H02K15/0434. <br>Groups H02K15/0485 and H02K15/0434 should be considered in order to perform a complete search.	H02K15/048	H02K15/048		105
H02K15/06	8	Embedding prefabricated windings in the machines	H02K15/06	H02K15/06		415
H02K15/061	9	Air-gap windings	H02K15/061	H02K15/061		58
H02K15/062	9	Windings in slots; Salient pole windings	H02K15/062	H02K15/062		253
H02K15/063	10	{Windings for large electric machines, e.g. bar windings (windings consisting of cables H02K15/065)}<br><br><u>WARNING</u><br>Group H02K15/063 is no longer used for the classification of documents as of 2025-01-01. <br>The content of this group is being reclassified into groups H02K15/0643, H02K15/0646, H02K15/065, H02K15/066, H02K15/067 and H02K15/068.<br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/062	H02K15/06		109
H02K15/064	10	Windings consisting of separate segments<br><br><u>WARNING</u><br>Group H02K15/064 is impacted by reclassification into groups H02K15/0643 and H02K15/0646. <br>Groups H02K15/064, H02K15/0643 and H02K15/0646 should be considered in order to perform a complete search.	H02K15/064	H02K15/064		466
H02K15/0643	11	Hairpin windings<br><br><u>WARNING</u><br>Group H02K15/0643 is incomplete pending reclassification of documents from group H02K15/064. <br>Groups H02K15/064 and H02K15/0643 should be considered in order to perform a complete search.	H02K15/0643	H02K15/0643		19
H02K15/0646	11	Bar windings consisting of pre-assembled multiple conductors, e.g. Roebel bars<br><br><u>WARNING</u><br>Group H02K15/0646 is incomplete pending reclassification of documents from groups H02K15/063 and H02K15/064. <br>Groups H02K15/063, H02K15/064 and H02K15/0646 should be considered in order to perform a complete search.	H02K15/0646	H02K15/0646		
H02K15/065	10	Windings consisting of complete sections, e.g. coils or waves<br><br><u>WARNING</u><br>Groups H02K15/065, H02K15/066, H02K15/067 and H02K15/068 are incomplete pending reclassification of documents from group H02K15/063. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/065	H02K15/065		142
H02K15/066	11	inserted perpendicularly to the axis of the slots or inter-polar channels	H02K15/066	H02K15/066		495
H02K15/067	11	inserted in parallel to the axis of the slots or inter-polar channels	H02K15/067	H02K15/067		129
H02K15/068	12	Strippers; Embedding windings by strippers	H02K15/068	H02K15/068		376
H02K15/08	8	Forming windings by laying conductors into or around core parts	H02K15/08	H02K15/08		979
H02K15/085	9	by laying conductors into slotted stators	H02K15/085	H02K15/085		1780
H02K15/09	9	by laying conductors into slotted rotors	H02K15/09	H02K15/09		630
H02K15/095	9	by laying conductors around salient poles	H02K15/095	H02K15/095		983
H02K15/10	8	Applying solid insulation to windings, stators or rotors, e.g. applying insulating tapes<br><br><u>WARNING</u><br>Group H02K15/10 is incomplete pending reclassification of documents from group H02K15/105. <br>Group H02K15/10 is also impacted by reclassification into groups H02K15/104, H02K15/106 and H02K15/108. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/10	H02K15/10		1260
H02K15/104	9	Insulating between conductors<br><br><u>WARNING</u><br>Group H02K15/104 is incomplete pending reclassification of documents from groups H02K15/10 and H02K15/105. <br>Groups H02K15/10, H02K15/105 and H02K15/104 should be considered in order to perform a complete search.	H02K15/104	H02K15/104		10
H02K15/105	9	{to the windings}<br><br><u>WARNING</u><br>Group H02K15/105 is no longer used for the classification of documents as of 2025-01-01.<br>The content of this group is being reclassified into groups H02K15/10, H02K15/104, H02K15/106 and H02K15/108.<br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/10	H02K15/10		837
H02K15/106	9	Insulating between conductors and cores<br><br><u>WARNING</u><br>Group H02K15/106 is incomplete pending reclassification of documents from groups H02K15/10 and H02K15/105. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/106	H02K15/106		29
H02K15/108	9	with slot liners<br><br><u>WARNING</u><br>Group H02K15/108 is incomplete pending reclassification of documents from groups H02K15/10 and H02K15/105. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/108	H02K15/108		8
H02K15/12	8	Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines<br><br><u>WARNING</u><br>Group H02K15/12 is impacted by reclassification into groups H02K15/121, H02K15/122 and H02K15/123. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/12	H02K15/12		4969
H02K15/121	9	of cores<br><br><u>WARNING</u><br>Group H02K15/121 is incomplete pending reclassification of documents from group H02K15/12. <br>Groups H02K15/12 and H02K15/121 should be considered in order to perform a complete search.	H02K15/121	H02K15/121		85
H02K15/122	9	of windings<br><br><u>WARNING</u><br>Group H02K15/122 is incomplete pending reclassification of documents from group H02K15/12. <br>Groups H02K15/12 and H02K15/122 should be considered in order to perform a complete search.	H02K15/122	H02K15/122		61
H02K15/123	9	of casings or enclosures<br><br><u>WARNING</u><br>Group H02K15/123 is incomplete pending reclassification of documents from group H02K15/12. <br>Groups H02K15/12 and H02K15/123 should be considered in order to perform a complete search.	H02K15/123	H02K15/123		13
H02K15/125	9	Heating or drying of machines in operational state, e.g. standstill heating	H02K15/125	H02K15/125		242
H02K15/13	8	Applying slot closure means in the cores; Manufacture of slot closure means	H02K15/13	H02K15/13		352
H02K15/14	8	Casings; Enclosures; Supports<br><br><u>WARNING</u><br>Group H02K15/14 is impacted by reclassification into groups H02K15/142, H02K15/144, H02K15/146 and H02K15/148. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H02K15/14	H02K15/14		3976
H02K15/142	9	by moulding<br><br><u>WARNING</u><br>Group H02K15/142 is incomplete pending reclassification of documents from group H02K15/14. <br>Groups H02K15/14 and H02K15/142 should be considered in order to perform a complete search.	H02K15/142	H02K15/142		22
H02K15/144	9	of shafts, bearings or supports therefor<br><br><u>WARNING</u><br>Group H02K15/144 is incomplete pending reclassification of documents from group H02K15/14. <br>Groups H02K15/14 and H02K15/144 should be considered in order to perform a complete search.	H02K15/144	H02K15/144		42
H02K15/146	9	of brush holders<br><br><u>WARNING</u><br>Group H02K15/146 is incomplete pending reclassification of documents from group H02K15/14. <br>Groups H02K15/14 and H02K15/146 should be considered in order to perform a complete search.	H02K15/146	H02K15/146		2
H02K15/148	9	Insulating casings or enclosures (H02K15/123 takes precedence)<br><br><u>WARNING</u><br>Group H02K15/148 is incomplete pending reclassification of documents from group H02K15/14. <br>Groups H02K15/14 and H02K15/148 should be considered in order to perform a complete search.	H02K15/148	H02K15/148		6
H02K15/16	8	Centring rotors within the stators	H02K15/16	H02K15/16		1325
H02K15/165	9	Balancing the rotors	H02K15/165	H02K15/165		720
H02K15/20	8	Shaping or compacting conductors or winding heads after the installation of the winding in the cores or machines; Applying fastening means on winding heads	H02K15/20	H02K15/20		175
H02K15/22	9	Shaping or compacting conductors in slots or around salient poles (H02K15/28 takes precedence)	H02K15/22	H02K15/22		207
H02K15/24	9	Shaping or compacting winding heads (H02K15/0428, H02K15/28, H02K15/36 take precedence)	H02K15/24	H02K15/24		341
H02K15/26	10	Applying fastening means on winding heads	H02K15/26	H02K15/26		187
H02K15/28	9	using electrodynamic forces	H02K15/28	H02K15/28		140
H02K15/30	8	Manufacture of winding connections<br><br><u>WARNING</u><br>Group H02K15/30 is impacted by reclassification into group H02K15/34. <br>Groups H02K15/30 and H02K15/34 should be considered in order to perform a complete search.	H02K15/30	H02K15/30		384
H02K15/32	9	Manufacture of terminal arrangements; Connecting the terminals to external circuits	H02K15/32	H02K15/32		347
H02K15/33	9	Connecting winding sections; Forming leads; Connecting leads to terminals<br><br><u>WARNING</u><br>Group H02K15/33 is impacted by reclassification into group H02K15/34. <br>Groups H02K15/33 and H02K15/34 should be considered in order to perform a complete search.	H02K15/33	H02K15/33		903
H02K15/34	10	Connecting the neutral point<br><br><u>WARNING</u><br>Group H02K15/34 is incomplete pending reclassification of documents from groups H02K15/30 and H02K15/33. <br>Groups H02K15/30, H02K15/33 and H02K15/34 should be considered in order to perform a complete search.	H02K15/34	H02K15/34		1
H02K15/35	10	Form-wound windings	H02K15/35	H02K15/35		534
H02K15/36	11	Processes or apparatus for simultaneously twisting two or more open ends of hairpins after their insertion into the machine (for simultaneously twisting two or more hairpins prior to mounting into the machine H02K15/0428)	H02K15/36	H02K15/36		177
H02K15/38	11	Manufacturing or repairing cooling fluid boxes, e.g. ensuring both electrical and fluid connection of terminals of fluid cooled windings	H02K15/38	H02K15/38		118
H02K15/40	8	Assembling dynamo-electric machines (H02K15/16 takes precedence)<br><br><u>WARNING</u><br>Group H02K15/40 is incomplete pending reclassification of documents from group H02K15/00. <br>Groups H02K15/00 and H02K15/40 should be considered in order to perform a complete search.	H02K15/40	H02K15/40		125
H02K15/50	8	Disassembling, repairing or modifying dynamo-electric machines (repairing of cooling fluid boxes H02K15/38)<br><br><u>WARNING</u><br>Group H02K15/50 is incomplete pending reclassification of documents from group H02K15/00. <br>Groups H02K15/00 and H02K15/50 should be considered in order to perform a complete search.	H02K15/50	H02K15/50		1426
H02K15/60	8	Hoisting or moving dynamo-electric machines<br><br><u>WARNING</u><br>Group H02K15/60 is incomplete pending reclassification of documents from group H02K15/00. <br>Groups H02K15/00 and H02K15/60 should be considered in order to perform a complete search.	H02K15/60	H02K15/60		19
H02K15/70	8	Cleaning dynamo-electric machines<br><br><u>WARNING</u><br>Group H02K15/70 is incomplete pending reclassification of documents from group H02K15/00. <br>Groups H02K15/00 and H02K15/70 should be considered in order to perform a complete search.	H02K15/70	H02K15/70		14
H02K15/80	8	Manufacturing lines specially adapted for dynamo-electrical machines, e.g. feeding or unloading<br><br><u>WARNING</u><br>Group H02K15/80 is incomplete pending reclassification of documents from group H02K15/00. <br>Groups H02K15/00 and H02K15/80 should be considered in order to perform a complete search.	H02K15/80	H02K15/80		56
H02K15/90	8	Positioning or clamping dynamo-electric machines, e.g. jigs<br><br><u>WARNING</u><br>Group H02K15/90 is incomplete pending reclassification of documents from group H02K15/00. <br>Groups H02K15/00 and H02K15/90 should be considered in order to perform a complete search.	H02K15/90	H02K15/90		79
H02K15/95	8	Installation of current collectors, e.g. commutators, slip-rings or brushes<br><br><u>WARNING</u><br>Group H02K15/95 is incomplete pending reclassification of documents from group H02K15/00. <br>Groups H02K15/00 and H02K15/95 should be considered in order to perform a complete search.	H02K15/95	H02K15/95		8
H02K16/00	7	Machines with more than one rotor or stator {(machines for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts H02K51/00; permanent magnet machines with multiple rotors or stators relatively rotated for vectorially combining the excitation fields or the armature voltages H02K21/029)}	H02K16/00	H02K16/00		3627
H02K16/005	8	{Machines with only rotors, e.g. counter-rotating rotors (DC commutator machines or universal AC/DC commutator motors having a rotating armature and a rotating excitation field H02K23/60)}	H02K16/00	H02K16/00		470
H02K16/02	8	Machines with one stator and two {or more} rotors	H02K16/02	H02K16/02		2650
H02K16/025	9	{with rotors and moving stators connected in a cascade (cascade arrangement of an asynchronous motor with another dynamo-electric motor or converter H02K17/34)}	H02K16/02	H02K16/02		230
H02K16/04	8	Machines with one rotor and two stators	H02K16/04	H02K16/04		1745
H02K17/00	7	Asynchronous induction motors; Asynchronous induction generators	H02K17/00	H02K17/00		110
H02K17/02	8	Asynchronous induction motors	H02K17/02	H02K17/02		386
H02K17/04	9	for single phase current	H02K17/04	H02K17/04		490
H02K17/06	10	having windings arranged for permitting pole-changing	H02K17/06	H02K17/06		232
H02K17/08	10	Motors with auxiliary phase obtained by externally fed auxiliary  windings, e.g. capacitor motors	H02K17/08	H02K17/08		572
H02K17/10	10	Motors with auxiliary phase obtained by split-pole carrying short-circuited windings	H02K17/10	H02K17/10		441
H02K17/12	9	for multi-phase current	H02K17/12	H02K17/12		560
H02K17/14	10	having windings arranged for permitting pole-changing	H02K17/14	H02K17/14		528
H02K17/16	9	having rotors with internally short-circuited windings, e.g. cage rotors	H02K17/16	H02K17/16		1333
H02K17/168	10	{having single-cage rotors}	H02K17/16	H02K17/16		574
H02K17/18	10	having  double-cage or multiple-cage rotors	H02K17/18	H02K17/18		446
H02K17/20	10	having deep-bar rotors	H02K17/20	H02K17/20		835
H02K17/22	9	having  rotors with windings connected to slip-rings	H02K17/22	H02K17/22		179
H02K17/24	10	in which both stator and rotor are fed with AC	H02K17/24	H02K17/24		110
H02K17/26	9	having rotors or stators designed to permit synchronous operation	H02K17/26	H02K17/26		190
H02K17/28	9	having compensating winding for improving phase angle	H02K17/28	H02K17/28		207
H02K17/30	9	Structural association of asynchronous induction motors with auxiliary electric devices influencing the  characteristics of the motor or controlling the motor, e.g. with impedances or switches	H02K17/30	H02K17/30		1242
H02K17/32	9	Structural association of asynchronous induction motors with auxiliary mechanical devices, e.g. with clutches or brakes	H02K17/32	H02K17/32		135
H02K17/34	9	Cascade arrangement of an asynchronous motor with another dynamo-electric motor or converter	H02K17/34	H02K17/34		92
H02K17/36	10	with another asynchronous induction motor	H02K17/36	H02K17/36		187
H02K17/38	10	with a commutator machine	H02K17/38	H02K17/38		693
H02K17/40	10	with a rotary AC/DC converter	H02K17/40	H02K17/40		89
H02K17/42	8	Asynchronous induction generators (H02K17/02 takes precedence)	H02K17/42	H02K17/42		448
H02K17/44	9	Structural association with exciting machines	H02K17/44	H02K17/44		47
H02K19/00	7	Synchronous motors or generators (having permanent magnets H02K21/00)	H02K19/00	H02K19/00		174
H02K19/02	8	Synchronous motors	H02K19/02	H02K19/02		261
H02K19/04	9	for single-phase current	H02K19/04	H02K19/04		79
H02K19/06	10	Motors having windings on the stator and a variable-reluctance soft-iron rotor without windings, e.g. inductor motors	H02K19/06	H02K19/06		509
H02K19/08	10	Motors having windings on the stator and a smooth rotor without windings of material with large hysteresis, e.g. hysteresis motors	H02K19/08	H02K19/08		319
H02K19/10	9	for multi-phase current	H02K19/10	H02K19/10		443
H02K19/103	10	{Motors having windings on the stator and a variable reluctance soft-iron rotor without windings}	H02K19/10	H02K19/10		1215
H02K19/106	10	{Motors having windings in the stator and a smooth rotor of material with large hysteresis without windings}	H02K19/10	H02K19/10		65
H02K19/12	10	characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing	H02K19/12	H02K19/12		569
H02K19/14	9	having additional short-circuited windings for starting as asynchronous motors	H02K19/14	H02K19/14		504
H02K19/16	8	Synchronous generators	H02K19/16	H02K19/16		244
H02K19/18	9	having windings each turn of which co-operates only with poles of one polarity, e.g. homopolar generators	H02K19/18	H02K19/18		42
H02K19/20	10	with variable-reluctance soft-iron rotors without winding	H02K19/20	H02K19/20		400
H02K19/22	9	having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators	H02K19/22	H02K19/22		451
H02K19/24	10	with variable-reluctance soft-iron rotors without winding	H02K19/24	H02K19/24		861
H02K19/26	9	characterised by the arrangement of exciting  windings	H02K19/26	H02K19/26		511
H02K19/28	10	for self-excitation	H02K19/28	H02K19/28		221
H02K19/30	10	for compounding	H02K19/30	H02K19/30		253
H02K19/32	10	for pole-changing	H02K19/32	H02K19/32		98
H02K19/34	9	Generators with two or more outputs	H02K19/34	H02K19/34		291
H02K19/36	9	Structural association of synchronous generators with auxiliary electric devices influencing the characteristic of the generator or controlling the generator, e.g. with impedances or switches	H02K19/36	H02K19/36		711
H02K19/365	10	{with a voltage regulator}	H02K19/36	H02K19/36		350
H02K19/38	9	Structural association of synchronous generators with exciting machines	H02K19/38	H02K19/38		589
H02K21/00	7	Synchronous motors having permanent magnets; Synchronous generators having permanent  magnets	H02K21/00	H02K21/00		304
H02K21/02	8	Details	H02K21/02	H02K21/02		809
H02K21/021	9	{Means for mechanical adjustment of the excitation flux}	H02K21/02	H02K21/02		96
H02K21/022	10	{by modifying the relative position between field and armature, e.g. between rotor and stator (vectorial combination of field or armature sections H02K21/029)}	H02K21/02	H02K21/02		43
H02K21/023	11	{by varying the amount of superposition, i.e. the overlap, of field and armature}	H02K21/02	H02K21/02		26
H02K21/024	12	{Radial air gap machines}	H02K21/02	H02K21/02		140
H02K21/025	11	{by varying the thickness of the air gap between field and armature}	H02K21/02	H02K21/02		156
H02K21/026	12	{Axial air gap machines}	H02K21/02	H02K21/02		154
H02K21/027	12	{Conical air gap machines}	H02K21/02	H02K21/02		37
H02K21/028	10	{by modifying the magnetic circuit within the field or the armature, e.g. by using shunts, by adjusting the magnets position, by vectorial combination of field or armature sections}	H02K21/02	H02K21/02		542
H02K21/029	11	{Vectorial combination of the fluxes generated by a plurality of field sections or of the voltages induced in a plurality of armature sections}	H02K21/02	H02K21/02		174
H02K21/04	9	Windings on magnets for additional excitation {; Windings and magnets for additional excitation}	H02K21/04	H02K21/04		233
H02K21/042	10	{with permanent magnets and field winding both rotating}	H02K21/04	H02K21/04		297
H02K21/044	11	{Rotor of the claw pole type}	H02K21/04	H02K21/04		410
H02K21/046	10	{with rotating permanent magnets and stationary field winding}	H02K21/04	H02K21/04		231
H02K21/048	11	{Rotor of the claw pole type}	H02K21/04	H02K21/04		31
H02K21/10	9	Rotating armatures	H02K21/10	H02K21/10		245
H02K21/12	8	with stationary  armatures and rotating magnets	H02K21/12	H02K21/12		1623
H02K21/125	9	{having an annular armature coil (H02K21/14&#160;-&#160;H02K21/24 take precedence)}	H02K21/12	H02K21/12		312
H02K21/14	9	with magnets rotating within the armatures	H02K21/14	H02K21/14		4298
H02K21/145	10	{having an annular armature coil (with homopolar co-operation H02K21/20)}	H02K21/14	H02K21/14		738
H02K21/16	10	having annular armature cores with salient poles (with homopolar co-operation H02K21/20)	H02K21/16	H02K21/16		2307
H02K21/18	10	having horse-shoe armature  cores (with homopolar co-operation H02K21/20)	H02K21/18	H02K21/18		128
H02K21/185	11	{with the axis of the rotor perpendicular to the plane of the armature}	H02K21/18	H02K21/18		401
H02K21/20	10	having windings each turn of which co-operates only with poles of one polarity, e.g. homopolar machine	H02K21/20	H02K21/20		201
H02K21/22	9	with magnets rotating around the armatures, e.g. flywheel  magnetos	H02K21/22	H02K21/22		3127
H02K21/222	10	{Flywheel magnetos}	H02K21/22	H02K21/22		384
H02K21/225	11	{having I-shaped, E-shaped or similarly shaped armature cores}	H02K21/22	H02K21/22		398
H02K21/227	10	{having an annular armature coil}	H02K21/22	H02K21/22		319
H02K21/24	9	with magnets axially facing the armatures, e.g. hub-type cycle  dynamos	H02K21/24	H02K21/24		3966
H02K21/26	8	with rotating  armatures and stationary magnets	H02K21/26	H02K21/26		299
H02K21/28	9	with armatures rotating within the magnets	H02K21/28	H02K21/28		188
H02K21/30	10	having  annular armature cores with salient poles (with homopolar co-operation H02K21/36)	H02K21/30	H02K21/30		94
H02K21/32	10	having  horse-shoe magnets (with homopolar co-operation H02K21/36)	H02K21/32	H02K21/32		55
H02K21/325	11	{with the axis of the rotating armature perpendicular to the plane of the magnet}	H02K21/32	H02K21/32		301
H02K21/34	10	having bell-shaped or bar-shaped  magnets, e.g. for cycle lighting (with homopolar co-operation H02K21/36)	H02K21/34	H02K21/34		129
H02K21/36	10	with homopolar co-operation	H02K21/36	H02K21/36		22
H02K21/38	8	with rotating flux  distributors, and armatures and magnets both stationary	H02K21/38	H02K21/38		495
H02K21/40	9	with flux distributors rotating around the magnets and within the armatures	H02K21/40	H02K21/40		78
H02K21/42	9	with flux distributors rotating around the armatures and within the magnets	H02K21/42	H02K21/42		68
H02K21/44	9	with armature windings wound upon  the magnets	H02K21/44	H02K21/44		887
H02K21/46	8	Motors having additional short-circuited winding for starting as an asynchronous motor	H02K21/46	H02K21/46		538
H02K21/48	8	Generators with two or more outputs	H02K21/48	H02K21/48		246
H02K23/00	7	DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors	H02K23/00	H02K23/00		310
H02K23/02	8	characterised by  arrangement for exciting	H02K23/02	H02K23/02		424
H02K23/023	9	{having short-circuited brushes}	H02K23/02	H02K23/02		113
H02K23/026	9	{having an unregular distribution of the exciting winding or of the excitation over the poles}	H02K23/02	H02K23/02		32
H02K23/04	9	having permanent magnet excitation	H02K23/04	H02K23/04		1192
H02K23/06	9	having shunt connection of excitation windings	H02K23/06	H02K23/06		53
H02K23/08	9	having series connection of excitation windings	H02K23/08	H02K23/08		99
H02K23/10	9	having compound connection of excitation windings	H02K23/10	H02K23/10		108
H02K23/12	9	having excitation produced  by current sources independent of the armature circuit	H02K23/12	H02K23/12		31
H02K23/14	9	having high-speed excitation or de-excitation, e.g. by neutralising the remanent excitation field	H02K23/14	H02K23/14		26
H02K23/16	9	having angularly adjustable excitation field, e.g. by pole reversing or pole switching	H02K23/16	H02K23/16		56
H02K23/18	9	having displaceable main or auxiliary brushes	H02K23/18	H02K23/18		461
H02K23/20	9	having additional brushes spaced intermediately of the main brushes on the commutator, e.g. cross-field machines, metadynes, amplidynes or other armature-reaction excited machines	H02K23/20	H02K23/20		369
H02K23/22	9	having compensating or damping  windings	H02K23/22	H02K23/22		258
H02K23/24	9	having commutating-pole  windings	H02K23/24	H02K23/24		222
H02K23/26	8	characterised by the armature  windings	H02K23/26	H02K23/26		317
H02K23/28	9	having open  windings, i.e. not closed within the armatures	H02K23/28	H02K23/28		57
H02K23/30	9	having lap or loop windings	H02K23/30	H02K23/30		200
H02K23/32	9	having wave or undulating windings	H02K23/32	H02K23/32		54
H02K23/34	9	having mixed windings	H02K23/34	H02K23/34		40
H02K23/36	9	having  two or more windings; having two or more commutators; having two or more stators	H02K23/36	H02K23/36		447
H02K23/38	9	having winding or connection for improving commutation, e.g. equipotential connection	H02K23/38	H02K23/38		160
H02K23/40	8	characterised by the arrangement of the magnet  circuits	H02K23/40	H02K23/40		780
H02K23/405	9	{Machines with a special form of the pole shoes}	H02K23/40	H02K23/40		65
H02K23/42	9	having split poles, i.e. zones for varying reluctance by gaps in poles or by poles with different spacing of the air gap	H02K23/42	H02K23/42		141
H02K23/44	9	having movable, e.g. turnable, iron parts	H02K23/44	H02K23/44		201
H02K23/46	9	having stationary shunts, i.e. magnetic cross flux	H02K23/46	H02K23/46		100
H02K23/48	9	having adjustable  armatures	H02K23/48	H02K23/48		10
H02K23/50	8	Generators with two or more outputs	H02K23/50	H02K23/50		111
H02K23/52	8	Motors acting also as generators, e.g. starting  motors used as generators for ignition or lighting	H02K23/52	H02K23/52		183
H02K23/54	8	Disc armature motors or generators	H02K23/54	H02K23/54		624
H02K23/56	8	Motors or generators  having iron cores separated from armature winding	H02K23/56	H02K23/56		240
H02K23/58	8	Motors or generators  without iron cores	H02K23/58	H02K23/58		107
H02K23/60	8	Motors or generators having  rotating armatures and rotating excitation field	H02K23/60	H02K23/60		115
H02K23/62	8	Motors or generators with stationary armatures and rotating excitation field	H02K23/62	H02K23/62		231
H02K23/64	8	Motors specially adapted for running on DC or AC by choice	H02K23/64	H02K23/64		59
H02K23/66	8	Structural association with auxiliary electric devices influencing the characteristic of, or controlling, the machine, e.g. with impedances or switches	H02K23/66	H02K23/66		1151
H02K23/68	8	Structural association with auxiliary mechanical devices, e.g. with clutches or brakes	H02K23/68	H02K23/68		98
H02K24/00	7	Machines adapted for the instantaneous transmission or reception of the angular displacement of rotating parts, e.g. synchro, selsyn	H02K24/00	H02K24/00		871
H02K25/00	7	DC interrupter motors or generators	H02K25/00	H02K25/00		859
H02K26/00	7	Machines adapted to function as torque motors, i.e. to exert a torque when stalled	H02K26/00	H02K26/00		605
H02K27/00	7	AC commutator motors or generators having mechanical commutator	H02K27/00	H02K27/00		98
H02K27/02	8	characterised by the armature winding	H02K27/02	H02K27/02		169
H02K27/04	8	having single-phase operation in series or shunt connection	H02K27/04	H02K27/04		502
H02K27/06	9	with a single or multiple short-circuited commutator, e.g. repulsion motor	H02K27/06	H02K27/06		171
H02K27/08	9	with multiple-fed armature	H02K27/08	H02K27/08		35
H02K27/10	9	with switching devices for different modes of operation, e.g. repulsion-induction motor	H02K27/10	H02K27/10		318
H02K27/12	8	having multi-phase operation	H02K27/12	H02K27/12		211
H02K27/14	9	in series connection	H02K27/14	H02K27/14		89
H02K27/16	9	in shunt connection with stator feeding	H02K27/16	H02K27/16		92
H02K27/18	9	in shunt connection with rotor feeding	H02K27/18	H02K27/18		93
H02K27/20	8	Structural association with a speed regulating device	H02K27/20	H02K27/20		75
H02K27/22	8	having means for improving commutation, e.g. auxiliary fields, double windings, double brushes	H02K27/22	H02K27/22		36
H02K27/24	8	having two or more commutators	H02K27/24	H02K27/24		14
H02K27/26	8	having disc armature	H02K27/26	H02K27/26		4
H02K27/28	8	Structural association with auxiliary electric devices influencing the characteristic of the machine or controlling the machine	H02K27/28	H02K27/28		66
H02K27/30	8	Structural association with auxiliary mechanical devices, e.g. with clutches or brakes	H02K27/30	H02K27/30		17
H02K29/00	7	Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices 	H02K29/00	H02K29/00		1765
H02K29/03	8	with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems	H02K29/03	H02K29/03		2662
H02K29/06	8	with position sensing devices (H02K29/03 takes precedence)	H02K29/06	H02K29/06		979
H02K29/08	9	using magnetic effect devices, e.g. Hall-plates, magneto-resistors (H02K29/12 takes precedence)	H02K29/08	H02K29/08		3137
H02K29/10	9	using light effect devices	H02K29/10	H02K29/10		445
H02K29/12	9	using detecting coils {using the machine windings as detecting coil}	H02K29/12	H02K29/12		629
H02K29/14	8	with speed sensing devices (H02K29/03 takes precedence)	H02K29/14	H02K29/14		401
H02K31/00	7	Acyclic motors or generators, i.e. DC machines having drum or disc armatures with continuous current collectors 	H02K31/00	H02K31/00		222
H02K31/02	8	with solid-contact collectors	H02K31/02	H02K31/02		389
H02K31/04	8	with at least one liquid-contact collector	H02K31/04	H02K31/04		185
H02K33/00	7	Motors with reciprocating, oscillating or vibrating magnet, armature or coil system (arrangements for handling mechanical energy structurally associated with motors H02K7/00, e.g. H02K7/06)	H02K33/00	H02K33/00		1444
H02K33/02	8	with  armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs	H02K33/02	H02K33/02		2369
H02K33/04	9	wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation	H02K33/04	H02K33/04		676
H02K33/06	10	with polarised armatures	H02K33/06	H02K33/06		403
H02K33/08	10	with DC energisation superimposed on AC energisation	H02K33/08	H02K33/08		72
H02K33/10	9	wherein the alternate energisation and de-energisation of the single coil system is effected or controlled by movement of the armatures	H02K33/10	H02K33/10		648
H02K33/12	8	with  armatures moving in alternate directions by alternate energisation of two coil systems	H02K33/12	H02K33/12		827
H02K33/14	9	wherein the alternate energisation and de-energisation of the two coil systems are effected or controlled by movement of the armatures	H02K33/14	H02K33/14		279
H02K33/16	8	with polarised  armatures moving in alternate directions by reversal or energisation of a single coil system	H02K33/16	H02K33/16		2738
H02K33/18	8	with coil  systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets	H02K33/18	H02K33/18		2702
H02K35/00	7	Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit (arrangements for handling mechanical energy structurally associated with generators H02K7/00, e.g. H02K7/06)	H02K35/00	H02K35/00		595
H02K35/02	8	with moving magnets and stationary coil systems	H02K35/02	H02K35/02		3037
H02K35/04	8	with moving coil systems and stationary magnets	H02K35/04	H02K35/04		711
H02K35/06	8	with moving flux distributors, and both coil  systems and magnets stationary	H02K35/06	H02K35/06		338
H02K37/00	7	Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors	H02K37/00	H02K37/00		471
H02K37/02	8	of variable reluctance type	H02K37/02	H02K37/02		143
H02K37/04	9	with rotors situated within the stators	H02K37/04	H02K37/04		345
H02K37/06	9	with rotors situated around the stators	H02K37/06	H02K37/06		48
H02K37/08	9	with rotors axially facing the stators	H02K37/08	H02K37/08		90
H02K37/10	8	of permanent magnet type (H02K37/02 takes precedence)	H02K37/10	H02K37/10		164
H02K37/12	9	with stationary armatures and rotating magnets	H02K37/12	H02K37/12		264
H02K37/125	10	{Magnet axially facing armature}	H02K37/12	H02K37/12		165
H02K37/14	10	with magnets rotating within the armatures	H02K37/14	H02K37/14		913
H02K37/16	11	having horseshoe armature cores	H02K37/16	H02K37/16		239
H02K37/18	11	of homopolar type	H02K37/18	H02K37/18		238
H02K37/20	9	with rotating flux distributors, the armatures and magnets both being stationary	H02K37/20	H02K37/20		155
H02K37/22	8	Damping units	H02K37/22	H02K37/22		122
H02K37/24	8	Structural association with auxiliary mechanical devices	H02K37/24	H02K37/24		396
H02K39/00	7	Generators specially adapted for producing a desired non-sinusoidal waveform	H02K39/00	H02K39/00		391
H02K41/00	7	Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path {(electromagnetic launchers F41B6/00)}	H02K41/00	H02K41/00		204
H02K41/02	8	Linear motors; Sectional motors	H02K41/02	H02K41/02		3332
H02K41/025	9	Asynchronous motors	H02K41/025	H02K41/025		1031
H02K41/03	9	Synchronous motors; Motors moving step by step; Reluctance motors (H02K41/035 takes precedence)	H02K41/03	H02K41/03		2389
H02K41/031	10	{of the permanent magnet type}	H02K41/03	H02K41/03		3387
H02K41/033	11	{with armature and magnets on one member, the other member being a flux distributor}	H02K41/03	H02K41/03		311
H02K41/035	9	DC motors; Unipolar motors	H02K41/035	H02K41/035		299
H02K41/0352	10	{Unipolar motors}	H02K41/035	H02K41/035		69
H02K41/0354	11	{Lorentz force motors, e.g. voice coil motors}	H02K41/035	H02K41/035		949
H02K41/0356	12	{moving along a straight path}	H02K41/035	H02K41/035		2382
H02K41/0358	12	{moving along a curvilinear path}	H02K41/035	H02K41/035		210
H02K41/06	8	Rolling motors, i.e. motors having the rotor axis parallel to the stator axis and following a circular path as the rotor rolls around the inside or outside of the stator {; Nutating motors, i.e. having the rotor axis parallel to the stator axis inclined with respect to the stator axis and performing a nutational movement as the rotor rolls on the stator}	H02K41/06	H02K41/06		343
H02K41/065	9	{Nutating motors}	H02K41/06	H02K41/06		158
H02K44/00	7	Machines in which the dynamo-electric interaction between a plasma or flow of conductive liquid or of fluid-borne conductive or magnetic particles and a coil system or magnetic field converts energy of mass flow into electrical energy or vice versa	H02K44/00	H02K44/00		171
H02K44/02	8	Electrodynamic pumps	H02K44/02	H02K44/02		167
H02K44/04	9	Conduction pumps	H02K44/04	H02K44/04		333
H02K44/06	9	Induction pumps	H02K44/06	H02K44/06		420
H02K44/08	8	Magnetohydrodynamic [MHD] generators	H02K44/08	H02K44/08		687
H02K44/085	9	{with conducting liquids}	H02K44/08	H02K44/08		323
H02K44/10	9	Constructional details of electrodes	H02K44/10	H02K44/10		214
H02K44/12	9	Constructional details of fluid channels	H02K44/12	H02K44/12		180
H02K44/14	10	Circular or screw-shaped channels	H02K44/14	H02K44/14		57
H02K44/16	9	Constructional details of the magnetic  circuits	H02K44/16	H02K44/16		72
H02K44/18	9	for  generating AC power	H02K44/18	H02K44/18		77
H02K44/20	10	by changing the polarity of the magnetic field	H02K44/20	H02K44/20		23
H02K44/22	10	by changing the conductivity of the fluid	H02K44/22	H02K44/22		8
H02K44/24	10	by reversing the direction of fluid	H02K44/24	H02K44/24		16
H02K44/26	10	by creating a travelling magnetic field	H02K44/26	H02K44/26		38
H02K44/28	8	Association of MHD generators with conventional generators (nuclear power plants including a MHD generator G21D7/02)	H02K44/28	H02K44/28		20
H02K47/00	7	Dynamo-electric converters	H02K47/00	H02K47/00		128
H02K47/02	8	AC/DC converters or vice versa	H02K47/02	H02K47/02		113
H02K47/04	9	Motor/generators	H02K47/04	H02K47/04		182
H02K47/06	9	Cascade converters	H02K47/06	H02K47/06		38
H02K47/08	9	Single-armature converters	H02K47/08	H02K47/08		315
H02K47/10	10	with booster machines on the AC side	H02K47/10	H02K47/10		38
H02K47/12	8	DC/DC converters	H02K47/12	H02K47/12		32
H02K47/14	9	Motor/generators	H02K47/14	H02K47/14		112
H02K47/16	9	Single-armature converters, e.g. metadyne	H02K47/16	H02K47/16		250
H02K47/18	8	AC/AC converters	H02K47/18	H02K47/18		133
H02K47/20	9	Motor/generators	H02K47/20	H02K47/20		223
H02K47/22	9	Single-armature frequency converters with or without phase-number conversion	H02K47/22	H02K47/22		65
H02K47/24	10	having windings for different numbers of poles	H02K47/24	H02K47/24		95
H02K47/26	10	operating as under- or over-synchronously running asynchronous induction machines, e.g. cascade arrangement of asynchronous and synchronous machines	H02K47/26	H02K47/26		83
H02K47/28	10	operating as commutator machines with added slip-rings	H02K47/28	H02K47/28		63
H02K47/30	9	Single-armature phase-number converters without frequency conversion	H02K47/30	H02K47/30		171
H02K49/00	7	Dynamo-electric clutches; Dynamo-electric brakes	H02K49/00	H02K49/00		403
H02K49/02	8	of the asynchronous induction type	H02K49/02	H02K49/02		382
H02K49/04	9	of the eddy-current hysteresis type	H02K49/04	H02K49/04		496
H02K49/043	10	{with a radial airgap}	H02K49/04	H02K49/04		981
H02K49/046	10	{with an axial airgap}	H02K49/04	H02K49/04		877
H02K49/06	8	of the synchronous type {(H02K49/10 takes precedence)}	H02K49/06	H02K49/06		319
H02K49/065	9	{hysteresis type}	H02K49/06	H02K49/06		181
H02K49/08	8	of the collector armature type	H02K49/08	H02K49/08		74
H02K49/10	8	of the permanent-magnet type	H02K49/10	H02K49/10		684
H02K49/102	9	{Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact (magnetized gearings with physical contact F16H13/12, F16H49/005)}	H02K49/10	H02K49/10		1520
H02K49/104	9	{Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element}	H02K49/10	H02K49/10		293
H02K49/106	10	{with a radial air gap}	H02K49/10	H02K49/10		1227
H02K49/108	10	{with an axial air gap}	H02K49/10	H02K49/10		934
H02K49/12	8	of the acyclic type	H02K49/12	H02K49/12		39
H02K51/00	7	Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts	H02K51/00	H02K51/00		930
H02K53/00	7	Alleged dynamo-electric perpetua mobilia	H02K53/00	H02K53/00		4861
H02K55/00	7	Dynamo-electric machines having windings operating at cryogenic temperatures	H02K55/00	H02K55/00		602
H02K55/02	8	of the synchronous type	H02K55/02	H02K55/02		291
H02K55/04	9	with rotating field windings	H02K55/04	H02K55/04		1091
H02K55/06	8	of the homopolar type	H02K55/06	H02K55/06		53
H02K99/00	7	Subject matter not provided for in other groups of this subclass	H02K99/00	H02K99/00		471
H02K99/10	8	{Generators}	H02K99/00	H02K99/10		804
H02K99/20	8	{Motors}	H02K99/00	H02K99/20		864
H02K2201/00	7	Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits	CPCONLY	H02K2201/00		27
H02K2201/03	8	Machines characterised by aspects of the air-gap between rotor and stator	CPCONLY	H02K2201/03		2449
H02K2201/06	8	Magnetic cores, or permanent magnets characterised by their skew	CPCONLY	H02K2201/06		1523
H02K2201/09	8	Magnetic cores comprising laminations characterised by being fastened by caulking	CPCONLY	H02K2201/09		629
H02K2201/12	8	Transversal flux machines	CPCONLY	H02K2201/12		1670
H02K2201/15	8	Sectional machines	CPCONLY	H02K2201/15		514
H02K2201/18	8	Machines moving with multiple degrees of freedom	CPCONLY	H02K2201/18		1358
H02K2203/00	7	Specific aspects not provided for in the other groups of this subclass relating to the windings	CPCONLY	H02K2203/00		14
H02K2203/03	8	Machines characterised by the wiring boards, i.e. printed circuit boards or similar structures for connecting the winding terminations	CPCONLY	H02K2203/03		1157
H02K2203/06	8	Machines characterised by the wiring leads, i.e. conducting wires for connecting the winding terminations	CPCONLY	H02K2203/06		1073
H02K2203/09	8	Machines characterised by wiring elements other than wires, e.g. bus rings, for connecting the winding terminations	CPCONLY	H02K2203/09		1927
H02K2203/12	8	Machines characterised by the bobbins for supporting the windings	CPCONLY	H02K2203/12		1851
H02K2203/15	8	Machines characterised by cable windings, e.g. high-voltage cables, ribbon cables	CPCONLY	H02K2203/15		311
H02K2205/00	7	Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports	CPCONLY	H02K2205/00		44
H02K2205/03	8	Machines characterised by thrust bearings	CPCONLY	H02K2205/03		634
H02K2205/06	8	Machines characterised by means for keeping the brushes in a retracted position during assembly	CPCONLY	H02K2205/06		138
H02K2205/09	8	Machines characterised by drain passages or by venting, breathing or pressure compensating means	CPCONLY	H02K2205/09		1698
H02K2205/12	8	Machines characterised by means for reducing windage losses or windage noise	CPCONLY	H02K2205/12		305
H02K2207/00	7	Specific aspects not provided for in the other groups of this subclass relating to arrangements for handling mechanical energy	CPCONLY	H02K2207/00		16
H02K2207/03	8	Tubular motors, i.e. rotary motors mounted inside a tube, e.g. for blinds	CPCONLY	H02K2207/03		323
H02K2209/00	7	Specific aspects not provided for in the other groups of this subclass relating to systems for cooling or ventilating	CPCONLY	H02K2209/00		159
H02K2211/00	7	Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components	CPCONLY	H02K2211/00		39
H02K2211/03	8	Machines characterised by circuit boards, e.g. pcb	CPCONLY	H02K2211/03		3180
H02K2213/00	7	Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00	CPCONLY	H02K2213/00		11
H02K2213/03	8	Machines characterised by numerical values, ranges, mathematical expressions or similar information	CPCONLY	H02K2213/03		14452
H02K2213/06	8	Machines characterised by the presence of fail safe, back up, redundant or other similar emergency arrangements	CPCONLY	H02K2213/06		591
H02K2213/09	8	Machines characterised by the presence of elements which are subject to variation, e.g. adjustable bearings, reconfigurable windings, variable pitch ventilators	CPCONLY	H02K2213/09		1382
H02K2213/12	8	Machines characterised by the modularity of some components	CPCONLY	H02K2213/12		1291
H02K2215/00	7	Specific aspects not provided for in other groups of this subclass relating to methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines	CPCONLY	H02K2215/00		140
