F02K1/00	7	Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto (rocket nozzles F02K9/97)	F02K1/00	F02K1/00		250
F02K1/002	8	{with means to modify the direction of thrust vector (F02K1/54 takes precedence; thrust vectoring of rockets F02K9/80)}	F02K1/00	F02K1/00		423
F02K1/004	9	{by using one or more swivable nozzles rotating about their own axis}	F02K1/00	F02K1/00		211
F02K1/006	9	{within one plane only}	F02K1/00	F02K1/00		198
F02K1/008	9	{in any rearward direction}	F02K1/00	F02K1/00		146
F02K1/04	8	Mounting of an exhaust cone in the jet pipe	F02K1/04	F02K1/04		322
F02K1/06	8	Varying effective area of jet pipe or nozzle (by using fluid jets to influence the jet flow F02K1/30)	F02K1/06	F02K1/06		355
F02K1/08	9	by axially moving or transversely deforming an internal member, e.g. the exhaust cone	F02K1/08	F02K1/08		314
F02K1/085	10	{by transversely deforming an internal member}	F02K1/08	F02K1/08		49
F02K1/09	9	by axially moving an external member, e.g. a shroud (F02K1/12 takes precedence)	F02K1/09	F02K1/09		247
F02K1/10	9	by distorting the jet pipe or nozzle	F02K1/10	F02K1/10		87
F02K1/11	9	by means of pivoted eyelids	F02K1/11	F02K1/11		175
F02K1/12	9	by means of pivoted flaps	F02K1/12	F02K1/12		305
F02K1/1207	10	{of one series of flaps hinged at their upstream ends on a fixed structure (F02K1/1215 - F02K1/1292 take precedence)}	F02K1/12	F02K1/12		340
F02K1/1215	10	{of two series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure, and the downstream series having its flaps hinged at their downstream ends on a fixed structure}	F02K1/12	F02K1/12		40
F02K1/1223	10	{of two series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure and the downstream series having its flaps hinged at their upstream ends on the downstream ends of the flaps of the upstream series}	F02K1/12	F02K1/12		212
F02K1/123	10	{of two series of flaps, both having their flaps hinged at their upstream ends on a fixed structure}	F02K1/12	F02K1/12		77
F02K1/1238	10	{of two series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure and the downstream series having its flaps hinged at their upstream ends on a substantially axially movable structure}	F02K1/12	F02K1/12		25
F02K1/1246	10	{of two series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure and the downstream series having its flaps hinged at their downstream ends on a substantially axially movable structure}	F02K1/12	F02K1/12		13
F02K1/1253	10	{of one series of flaps hinged at their upstream ends on a fixed structure and of a substantially axially movable external member}	F02K1/12	F02K1/12		24
F02K1/1261	10	{of one series of flaps hinged at their upstream ends on a substantially axially movable structure}	F02K1/12	F02K1/12		88
F02K1/1269	10	{of three series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure and the internal downstream series having its flaps hinged at their downstream ends on the downstream ends of the flaps of the external downstream series hinged on a fixed structure at their upstream ends}	F02K1/12	F02K1/12		58
F02K1/1276	10	{of three series of flaps, the upstream series having its flaps hinged at their upstream ends on a substantially axially movable structure and the downstream or external series having its flaps hinged at their upstream ends on a fixed structure}	F02K1/12	F02K1/12		9
F02K1/1284	10	{of three series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure and the internal downstream series having its flaps hinged at their downstream ends on the downstream ends of the flaps of the external downstream series hinged at their upstream ends on a substantially axially movable structure}	F02K1/12	F02K1/12		6
F02K1/1292	10	{of three series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure, the internal downstream series having its flaps hinged at their upstream ends on the downstream ends of the flaps of the upstream series and at their downstream ends on the downstream ends of the flaps of the external downstream series hinged at their upstream ends on a substantially axially movable structure}	F02K1/12	F02K1/12		67
F02K1/15	9	Control or regulation	F02K1/15	F02K1/15		482
F02K1/16	10	conjointly with another control	F02K1/16	F02K1/16		209
F02K1/165	11	{with air intake control}	F02K1/16	F02K1/16		28
F02K1/17	11	with control of fuel supply	F02K1/17	F02K1/17		180
F02K1/18	10	automatic	F02K1/18	F02K1/18		54
F02K1/28	8	using fluid jets to influence the jet flow	F02K1/28	F02K1/28		223
F02K1/30	9	for varying effective area of jet pipe or nozzle	F02K1/30	F02K1/30		141
F02K1/32	9	for reversing thrust	F02K1/32	F02K1/32		78
F02K1/34	9	for attenuating noise	F02K1/34	F02K1/34		171
F02K1/36	8	having an ejector	F02K1/36	F02K1/36		282
F02K1/38	8	Introducing air inside the jet (F02K1/28 takes precedence)	F02K1/38	F02K1/38		176
F02K1/383	9	{with retractable elements}	F02K1/38	F02K1/38		104
F02K1/386	9	{mixing devices in the jet pipe, e.g. for mixing primary and secondary flow}	F02K1/38	F02K1/38		473
F02K1/40	8	Nozzles having means for dividing the jet into a plurality of partial jets or having an elongated cross-section outlet	F02K1/40	F02K1/40		211
F02K1/42	9	the means being movable into an inoperative position	F02K1/42	F02K1/42		103
F02K1/44	8	Nozzles having means, e.g. a shield, reducing sound radiation in a specified direction (F02K1/40 takes precedence)	F02K1/44	F02K1/44		135
F02K1/46	8	Nozzles having means for adding air to the jet or for augmenting the mixing region between the jet and the ambient air, e.g. for silencing (F02K1/28, F02K1/36, F02K1/38 take precedence)	F02K1/46	F02K1/46		298
F02K1/48	9	Corrugated nozzles	F02K1/48	F02K1/48		346
F02K1/50	9	Deflecting outwardly a portion of the jet by retractable scoop-like baffles	F02K1/50	F02K1/50		29
F02K1/52	8	Nozzles specially constructed for positioning adjacent to another nozzle or to a fixed member, e.g. fairing	F02K1/52	F02K1/52		160
F02K1/54	8	Nozzles having means for reversing jet thrust (reversing jet thrust using fluid jets F02K1/32)	F02K1/54	F02K1/54		116
F02K1/56	9	Reversing jet main flow	F02K1/56	F02K1/56		174
F02K1/563	10	{in specified direction, e.g. to obviate its reinjection}	F02K1/56	F02K1/56		53
F02K1/566	10	{by blocking the rearward discharge by means of a translatable member}	F02K1/56	F02K1/56		66
F02K1/58	10	Reversers mounted on the inner cone or the nozzle housing {or the fuselage}	F02K1/58	F02K1/58		54
F02K1/60	10	by blocking the rearward discharge by means of pivoted eyelids or clamshells, e.g. target-type reversers	F02K1/60	F02K1/60		320
F02K1/605	11	{the aft end of the engine cowling being movable to uncover openings for the reversed flow}	F02K1/60	F02K1/60		93
F02K1/62	10	by blocking the rearward discharge by means of flaps	F02K1/62	F02K1/62		152
F02K1/625	11	{the aft end of the engine cowling being movable to uncover openings for the reversed flow}	F02K1/62	F02K1/62		134
F02K1/64	9	Reversing fan flow	F02K1/64	F02K1/64		150
F02K1/645	10	{using inflatable diaphragms}	F02K1/64	F02K1/64		15
F02K1/66	10	using reversing fan blades	F02K1/66	F02K1/66		125
F02K1/68	10	Reversers mounted on the engine housing downstream of the fan exhaust section	F02K1/68	F02K1/68		78
F02K1/70	10	using thrust reverser flaps or doors mounted on the fan housing	F02K1/70	F02K1/70		418
F02K1/72	11	the aft end of the fan housing being movable to uncover openings in the fan housing for the reversed flow	F02K1/72	F02K1/72		905
F02K1/74	9	Reversing at least one flow in relation to at least one other flow in a plural- flow engine	F02K1/74	F02K1/74		70
F02K1/76	9	Control or regulation of thrust reversers	F02K1/76	F02K1/76		284
F02K1/763	10	{with actuating systems or actuating devices; Arrangement of actuators for thrust reversers}	F02K1/76	F02K1/76		580
F02K1/766	10	{with blocking systems or locking devices; Arrangement of locking devices for thrust reversers}	F02K1/76	F02K1/76		312
F02K1/78	8	Other construction of jet pipes	F02K1/78	F02K1/78		471
F02K1/80	9	Couplings or connections	F02K1/80	F02K1/80		393
F02K1/805	10	{Sealing devices therefor, e.g. for movable parts of jet pipes or nozzle flaps}	F02K1/80	F02K1/80		317
F02K1/82	9	Jet pipe walls, e.g. liners	F02K1/82	F02K1/82		348
F02K1/822	10	{Heat insulating structures or liners, cooling arrangements, e.g. post combustion liners; Infrared radiation suppressors}	F02K1/82	F02K1/82		723
F02K1/825	11	{Infrared radiation suppressors}	F02K1/82	F02K1/82		226
F02K1/827	10	{Sound absorbing structures or liners}	F02K1/82	F02K1/82		702
F02K3/00	7	Plants including a gas turbine driving a compressor or a ducted fan	F02K3/00	F02K3/00		627
F02K3/02	8	in which part of the working fluid by-passes the turbine and combustion chamber	F02K3/02	F02K3/02		270
F02K3/025	9	{the by-pass flow being at least partly used to create an independent thrust component}	F02K3/02	F02K3/02		329
F02K3/04	9	the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type	F02K3/04	F02K3/04		581
F02K3/06	10	with front fan	F02K3/06	F02K3/06		3186
F02K3/062	10	with aft fan	F02K3/062	F02K3/062		188
F02K3/065	10	with front and aft fans	F02K3/065	F02K3/065		99
F02K3/068	10	being characterised by a short axial length relative to the diameter	F02K3/068	F02K3/068		184
F02K3/072	10	with counter-rotating {, e.g. fan} rotors	F02K3/072	F02K3/072		458
F02K3/075	10	controlling flow ratio between flows	F02K3/075	F02K3/075		804
F02K3/077	10	the plant being of the multiple flow type, i.e. having three or more flows	F02K3/077	F02K3/077		365
F02K3/08	8	with supplementary heating of the working fluid; Control thereof (control of fuel supply therefor F02C9/26)	F02K3/08	F02K3/08		69
F02K3/10	9	by after-burners (F02K3/105 takes precedence)	F02K3/10	F02K3/10		551
F02K3/105	9	Heating the by-pass flow	F02K3/105	F02K3/105		65
F02K3/11	10	by means of burners or combustion chambers	F02K3/11	F02K3/11		159
F02K3/115	10	by means of indirect heat exchange	F02K3/115	F02K3/115		332
F02K3/12	8	characterised by having more than one gas turbine	F02K3/12	F02K3/12		197
F02K5/00	7	Plants including an engine, other than a gas turbine, driving a compressor or a ducted fan	F02K5/00	F02K5/00		600
F02K5/02	8	the engine being of the reciprocating-piston type	F02K5/02	F02K5/02		126
F02K5/023	9	{the compressor being of the reciprocating-piston type (F02K5/026 takes precedence)}	F02K5/02	F02K5/02		36
F02K5/026	9	{free-piston engines}	F02K5/02	F02K5/02		22
F02K7/00	7	Plants in which the working fluid is used in a jet only, i.e. the plants not having a turbine or other engine driving a compressor or a ducted fan; Control thereof (rocket-engine plants F02K9/00)	F02K7/00	F02K7/00		323
F02K7/005	8	{the engine comprising a rotor rotating under the actions of jets issuing from this rotor}	F02K7/00	F02K7/00		266
F02K7/02	8	the jet being intermittent, i.e. pulse-jet	F02K7/02	F02K7/02		403
F02K7/04	9	with resonant combustion chambers	F02K7/04	F02K7/04		164
F02K7/06	9	with combustion chambers having valves	F02K7/06	F02K7/06		278
F02K7/067	10	having aerodynamic valves	F02K7/067	F02K7/067		78
F02K7/075	9	with multiple pulse-jet engines	F02K7/075	F02K7/075		80
F02K7/08	8	the jet being continuous	F02K7/08	F02K7/08		214
F02K7/10	8	characterised by having ram-action compression, i.e. aero-thermo-dynamic-ducts or ram-jet engines	F02K7/10	F02K7/10		799
F02K7/105	9	{using a solid fuel}	F02K7/10	F02K7/10		116
F02K7/12	9	Injection-induction jet engines	F02K7/12	F02K7/12		183
F02K7/14	9	with external combustion, e.g. scram-jet engines	F02K7/14	F02K7/14		220
F02K7/16	9	Composite ram-jet/turbo-jet engines	F02K7/16	F02K7/16		399
F02K7/18	9	Composite ram-jet/rocket engines	F02K7/18	F02K7/18		468
F02K7/20	9	Composite ram-jet/pulse-jet engines	F02K7/20	F02K7/20		70
F02K9/00	7	Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof	F02K9/00	F02K9/00		324
F02K9/08	8	using solid propellants (F02K9/72 takes precedence; using semi-solid or pulverulent propellants F02K9/70)	F02K9/08	F02K9/08		390
F02K9/10	9	Shape or structure of solid propellant charges	F02K9/10	F02K9/10		394
F02K9/12	10	made of two or more portions burning at different rates {or having different characteristics}	F02K9/12	F02K9/12		198
F02K9/14	10	made from sheet-like materials, e.g. of carpet-roll type, of layered structure	F02K9/14	F02K9/14		132
F02K9/16	10	of honeycomb structure	F02K9/16	F02K9/16		18
F02K9/18	10	of the internal-burning type having a star or like shaped internal cavity	F02K9/18	F02K9/18		179
F02K9/20	10	of the external-burning type	F02K9/20	F02K9/20		32
F02K9/22	10	of the front-burning type	F02K9/22	F02K9/22		44
F02K9/24	9	Charging rocket engines with solid propellants; Methods or apparatus specially adapted for working solid propellant charges	F02K9/24	F02K9/24		408
F02K9/26	9	Burning control {(F02K9/10, F02K9/34, F02K9/86, F02K9/92 and F02K9/94 take precedence)}	F02K9/26	F02K9/26		284
F02K9/28	9	having two or more propellant charges with the propulsion gases exhausting through a common nozzle	F02K9/28	F02K9/28		167
F02K9/30	9	with the propulsion gases exhausting through a plurality of nozzles	F02K9/30	F02K9/30		108
F02K9/32	9	Constructional parts; Details not otherwise provided for	F02K9/32	F02K9/32		405
F02K9/34	10	Casings; Combustion chambers; Liners thereof	F02K9/34	F02K9/34		628
F02K9/343	11	{Joints, connections, seals therefor}	F02K9/34	F02K9/34		207
F02K9/346	11	{Liners, e.g. inhibitors}	F02K9/34	F02K9/34		359
F02K9/36	10	Propellant charge supports	F02K9/36	F02K9/36		277
F02K9/38	10	Safety devices, e.g. to prevent accidental ignition	F02K9/38	F02K9/38		258
F02K9/40	10	Cooling arrangements {(for nozzles F02K9/972)}	F02K9/40	F02K9/40		85
F02K9/42	8	using liquid or gaseous propellants (F02K9/72 takes precedence)	F02K9/42	F02K9/42		456
F02K9/425	9	{Propellants}	F02K9/42	F02K9/42		241
F02K9/44	9	Feeding propellants	F02K9/44	F02K9/44		552
F02K9/46	10	using pumps	F02K9/46	F02K9/46		388
F02K9/48	11	driven by a gas turbine fed by propellant combustion gases {or fed by vaporized propellants or other gases}	F02K9/48	F02K9/48		378
F02K9/50	10	using pressurised fluid to pressurise the propellants	F02K9/50	F02K9/50		464
F02K9/52	10	Injectors	F02K9/52	F02K9/52		1063
F02K9/54	10	Leakage detectors; Purging systems; Filtration systems	F02K9/54	F02K9/54		70
F02K9/56	10	Control	F02K9/56	F02K9/56		391
F02K9/563	11	{of propellant feed pumps}	F02K9/56	F02K9/56		118
F02K9/566	11	{elements and safety devices, e.g. pressure relief valves}	F02K9/56	F02K9/56		145
F02K9/58	11	Propellant feed valves	F02K9/58	F02K9/58		559
F02K9/60	9	Constructional parts; Details not otherwise provided for	F02K9/60	F02K9/60		737
F02K9/605	10	{Reservoirs}	F02K9/60	F02K9/60		405
F02K9/62	10	Combustion or thrust chambers	F02K9/62	F02K9/62		666
F02K9/64	11	having cooling arrangements	F02K9/64	F02K9/64		862
F02K9/66	11	of the rotary type	F02K9/66	F02K9/66		70
F02K9/68	10	Decomposition chambers	F02K9/68	F02K9/68		317
F02K9/70	8	using semi- solid or pulverulent propellants	F02K9/70	F02K9/70		130
F02K9/72	8	using liquid and solid propellants, i.e. hybrid rocket-engine plants	F02K9/72	F02K9/72		490
F02K9/74	8	combined with another jet-propulsion plant	F02K9/74	F02K9/74		35
F02K9/76	9	with another rocket-engine plant; Multistage rocket-engine plants	F02K9/76	F02K9/76		64
F02K9/763	10	{with solid propellant}	F02K9/76	F02K9/76		81
F02K9/766	10	{with liquid propellant}	F02K9/76	F02K9/76		47
F02K9/78	9	with an air-breathing jet-propulsion plant (with a ram-jet engine F02K7/18)	F02K9/78	F02K9/78		180
F02K9/80	8	characterised by thrust or thrust vector control (burning control of solid propellants F02K9/26; feeding control of liquid or gaseous propellants F02K9/56; re-ignitable, restartable or intermittently operated rocket-engine plants F02K9/94)	F02K9/80	F02K9/80		351
F02K9/805	9	{servo-mechanisms or control devices therefor}	F02K9/80	F02K9/80		224
F02K9/82	9	by injection of a secondary fluid into the rocket exhaust gases	F02K9/82	F02K9/82		214
F02K9/84	9	using movable nozzles	F02K9/84	F02K9/84		348
F02K9/86	9	using nozzle throats of adjustable cross- section {(F02K9/978 takes precedence)}	F02K9/86	F02K9/86		256
F02K9/88	9	using auxiliary rocket nozzles	F02K9/88	F02K9/88		129
F02K9/90	9	using deflectors (F02K9/82 takes precedence)	F02K9/90	F02K9/90		155
F02K9/92	9	incorporating means for reversing or terminating thrust	F02K9/92	F02K9/92		109
F02K9/94	8	Re-ignitable or restartable rocket- engine plants; Intermittently operated rocket-engine plants	F02K9/94	F02K9/94		239
F02K9/95	8	characterised by starting or ignition means or arrangements (safety devices F02K9/38)	F02K9/95	F02K9/95		1210
F02K9/96	8	characterised by specially adapted arrangements for testing or measuring	F02K9/96	F02K9/96		1122
F02K9/97	8	Rocket nozzles (thrust or thrust vector control F02K9/80)	F02K9/97	F02K9/97		939
F02K9/972	9	{Fluid cooling arrangements for nozzles (F02K9/64 takes precedence)}	F02K9/97	F02K9/97		371
F02K9/974	9	{Nozzle- linings; Ablative coatings}	F02K9/97	F02K9/97		433
F02K9/976	9	{Deployable nozzles}	F02K9/97	F02K9/97		113
F02K9/978	9	{Closures for nozzles; Nozzles comprising ejectable or discardable elements}	F02K9/97	F02K9/97		204
F02K99/00	7	Subject matter not provided for in other groups of this subclass	F02K99/00	F02K99/00		87
