G21C   1/00		ϧμΣ	Reactor types	1641
G21C   1/02		®ϧʤ®ѤʤϧΣ	Fast fission reactors, i.e. reactors not using a moderator	2225
G21C   1/03		ܼŪ˲ðƤʤѺˤäѤΡ㡥ס뷿ϧΣ	cooled by a coolant not essentially pressurised, e.g. pool-type reactors	387
G21C   1/04		ǮϧΣ	Thermal reactors	198
G21C   1/06		Ѽϧʤǳȸ®बʬΥƤΡΣ	Heterogeneous reactors, i.e. in which fuel and moderator are separated	149
G21C   1/07		ڥ֥٥åɸϧγǳĸϧΣ	Pebble-bed reactors; Reactors with granular fuel	420
G21C   1/08		®बⰵǲðƤΡ㡥ʨƭ巿ϧʬǮϧð巿ϧʣǣãͥ  Σ	moderator being highly pressurised, e.g. boiling-water reactor, integral-superheat reactor, pressurised-water reactor(<b>G21C1/22</b> takes precedence)	1736
G21C   1/09		Ĵ֡ʤðΣ	Pressure regulating arrangements, i.e. pressurisers	242
G21C   1/10		®Ѻबۤʤ뤫ޤʬΥƤΡΣ	moderator and coolant being different or separated	77
G21C   1/12		®बΤǤΡ㡥ޥΥåϧΣ	moderator being solid, e.g. Magnox reactor	404
G21C   1/14		®ब¼Ū˲ðƤʤΡ㡥˥ס뷿ϧʣǣãͥˡΣ	moderator being substantially not pressurised, e.g. swimming-pool reactor(<b>G21C1/22</b> takes precedence)	159
G21C   1/16		®Ѻबۤʤ뤫ޤʬΥƤΡ㡥ʥȥꥦࡽϧΣ	moderator and coolant being different or separated, e.g. sodium-graphite reactor	76
G21C   1/18		ѺबðƤΡΣ	coolant being pressurised	63
G21C   1/20		®बΤΤΡ㡥ϴɷϧΣ	moderator being liquid, e.g. pressure-tube reactor	617
G21C   1/22		ξޤϵξǳѤΡΣ	using liquid or gaseous fuel	339
G21C   1/24		ѼϧʤǳӸ®बҤФƸŪʶѼΤȤ¸ߤΡΣ	Homogeneous reactors, i.e. in which fuel and moderator present an effectively homogeneous medium to the neutrons	174
G21C   1/26		ñΰ跿ϧ	Single-region reactors	48
G21C   1/28		ΰ跿ϧ	Two-region reactors	55
G21C   1/30		̤׳ϧ	Subcritical reactors	545
G21C   1/32		ηϧʤǽŪ˸ϧȴϢƤ뤬ȿˤɬܤǤʤʬ㡥Ǯ򴹴ϧ̩ƴ֤Ƥ븶ϧʣǣãǣãͥˡΣ	Integral reactors, i.e. reactors wherein parts functionally associated with the reactor but not essential to the reaction, e.g. heat exchangers, are disposed inside the enclosure with the core(<b>G21C1/02 to G21C1/30</b>  take precedence)	993
G21C   3/00		ϧǳǤޤϤνΡϧǳʪ	Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements	1028
G21C   3/02		ǳ	Fuel elements	635
G21C   3/04		¤κ	Constructional details	1012
G21C   3/06		ʤɡ㥱å	Casings; Jackets	1316
G21C   3/07		ʤɤޤϥ㥱åȤκˤäħŤΡ㡥Σ	characterised by their material, e.g. alloys	1255
G21C   3/08		Ǯ򴹤¥ʤ뤿ߤ줿¤㡥Ҥ졤餻ġҤ	provided with external means to promote heat-transfer, e.g. fins, baffles, corrugations	383
G21C   3/10		üĺ	End closures	749
G21C   3/12		ǳǤ򸶻ϧϧ֤뤿ǳǤΰʡŪΤγڡ	Means forming part of the element for locating it within the reactor core; External spacers for this purpose	455
G21C   3/14		ǳǤϧޤϧФǳǤΰʡǳǤ礹	Means forming part of the element for inserting it into, or removing it from, the core; Means for coupling adjacent elements	218
G21C   3/16		ǳʤκ¤	Details of the construction within the casing	971
G21C   3/17		ǳεΤ¢ޤưʡΣ	Means for storage or immobilisation of gases in fuel elements	339
G21C   3/18		ǳʤɤߤ줿ڡޤϤ¾ʪ㡥ǳαӤޤϲȿ٤أǣã	Internal spacers or other non-active material within the casing, e.g. compensating for expansion of fuel rods or for compensating excess reactivity(interlayers <b>G21C3/20</b>)	551
G21C   3/20		ǳɽ̤ޤǳʤɤ̤ʤͭΡǳʤɤȳʪδ֤ʪͭ	with coating on fuel or on inside of casing; with non-active interlayer between casing and active material	994
G21C   3/22		Ѻܿʬޤʪͭ	with fissile or breeder material in contact with coolant	117
G21C   3/24		ǳʤ˱ξγʬޤʪͭ	with fissile or breeder material in fluid form within a non-active casing	67
G21C   3/26		ǳʤγҾγʬޤʪͭ	with fissile or breeder material in powder form within a non-active casing	92
G21C   3/28		ǳʤ˸ξγʬޤʪͭ	with fissile or breeder material in solid form within a non-active casing	830
G21C   3/30		˥åȤηȤ¿ǳǤν	Assemblies of a number of fuel elements in the form of a rigid unit	2241
G21C   3/32		ʿΥԥޤϴɾǳǤ«	Bundles of parallel pin-, rod-, or tube-shaped fuel elements	2270
G21C   3/322		ǳǤ«̲᤹뤫뤤ϤμϤήѺή˱ƶͿʡΣ	Means to influence the coolant flow through or around the bundles	1055
G21C   3/324		ǳǤ«ʤޤʤΣ	Coats or envelopes for the bundles	672
G21C   3/326		ǳǤۤʤΡǳǤ˲äơ¾ΥԥޤϴɾǤΡ㡥ʻĻٻ߳ǳʪޤϥߡΣ	comprising fuel elements of different composition; Comprising, in addition to the fuel elements, other pin-, rod-, or tube-shaped elements, e.g. control rods, grid support rods, fertile rods, poison rods or dummy rods	1192
G21C   3/328		ǳǤ«γʻҤˤǤ֡Σ	Relative disposition of the elements in the bundle lattice	1410
G21C   3/33		ǳǤ«ˤƳǤٻޤϷͤΡʥڡʻģǣãˡϧǳǤ«ޤϧǳǤ«ΰʡܤǳǤ«Ϣ뤹ʡΣ	Supporting or hanging of elements in the bundle(spacer grids <b>G21C3/34</b>);Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles	2001
G21C   3/332		ڡʻĤλٻΡΣ	Supports for spacer grids	252
G21C   3/334		ǳǤ«ν礷ΡΣ	Assembling the bundles	620
G21C   3/335		ȼͤ줿ǳǤˤƸ򴹤ǡΣ	Exchanging elements in irradiated bundles	75
G21C   3/336		ǳǤ«ˤǳѤΥڡǡʥڡʻģǣãˡΣ	Spacer elements for fuel rods in the bundle(spacer grids <b>G21C3/34</b>)	106
G21C   3/338		餻ڡǡΣ	Helicoidal spacer elements	192
G21C   3/34		ڡʻ	Spacer grids	1998
G21C   3/344		ɾǤνΤˤΡΣ	formed of assembled tubular elements	489
G21C   3/348		򺹤ʤĤνΤˤΡΣ	formed of assembled non-intersecting strips	91
G21C   3/352		򺹤ĤνΤˤΡΣ	formed of assembled intersecting strips	232
G21C   3/356		ǳǻٻƤΡΣ	being provided with fuel element supporting members	548
G21C   3/36		ľǳǤޤƱߴɤν	Assemblies of plate-shaped fuel elements or coaxial tubes	285
G21C   3/38		ٻ꡼ñǳǤʤǳ˥å	Fuel units consisting of a single fuel element in a supporting sleeve	193
G21C   3/40		ʬˤǮľܡŵͥ륮ȯ뤿ǮǻҤǳǤȤȹ礻ʲ¬֤ǳǤȤȹ礻ǣã	Structural combination of fuel element with thermoelectric element for direct production of electric energy from fission heat(structural combination of fuel element with instruments for temperature measurement <b>G21C17/112</b>)	150
G21C   3/42		ϧǳȤƻѤʪ	Selection of substances for use as reactor fuel	187
G21C   3/44		ήΤޤήξϧǳ	Fluid or fluent reactor fuel	36
G21C   3/46		ϱվ	Aqueous compositions	6
G21C   3/48		ʪϱդޤϥɾϱ	True or colloidal solutions of the active constituent	43
G21C   3/50		ʪηա꡼	Suspensions of the active constituent; Slurries	20
G21C   3/52		ζ°	Liquid metal compositions	53
G21C   3/54		ͻʪޤϿʪ	Fused salt, oxide, or hydroxide compositions	255
G21C   3/56		ξξôη	Gaseous compositions; Suspensions in a gaseous carrier	29
G21C   3/58		ξϧǳ	Solid reactor fuel	345
G21C   3/60		°ǳ°ʬ	Metallic fuel; Intermetallic dispersions	439
G21C   3/62		ߥåǳ	Ceramic fuel	2713
G21C   3/64		ߥåʬǳ㡥å	Ceramic dispersion fuel, e.g. cermet	334
G21C   5/00		®ޤϧι¤®Ѻ	Moderator or core structure; Selection of materials for use as moderator	1336
G21C   5/02			Details	537
G21C   5/04		ʡĹбǤ褦ʶ	Spatial arrangements allowing for Wigner growth	72
G21C   5/06		ǳǤٻޤ֤뤿μ	Means for locating or supporting fuel elements	846
G21C   5/08		ι¤˾ޤʤоıɻߤ뤿μ	Means for preventing undesired asymmetric expansion of the complete structure	249
G21C   5/10		ι¤ٻ	Means for supporting the complete structure	817
G21C   5/12		ħΤΡ㡥®Ǯʪղä®	characterised by composition, e.g. the moderator containing additional substances which ensure improved heat resistance of the moderator	713
G21C   5/14		ħΤ	characterised by shape	168
G21C   5/16		ʬη	Shape of its constituent parts	197
G21C   5/18		ʾγΰͭ뤳ȤˤäħŤ줿	characterised by the provision of more than one active zone	300
G21C   5/20		Ĥΰ褬ʬʪͭ¾ΰ褬ʪͭ	wherein one zone contains fissile material and another zone contains breeder material	298
G21C   5/22		Ĥΰ褬ǮǤ	wherein one zone is a superheating zone	38
G21C   7/00		ҳȿΣ	Control of nuclear reaction	1364
G21C   7/02		ϧμѤΡʲٰ֣ͭǣãˡΣ	by using self-regulating properties of reactor materials(arrangements that involve temperature stability <b>G21C7/32</b>)	163
G21C   7/04		ǳʪѤΡǳβǳʪǣãˡΣ	of burnable poisons(burnable poisons in fuel rods <b>G21C3/326</b>)	406
G21C   7/06		ҵۼࡤʤѤϤ뤫礭ۼѤͭѤΡΣ	by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section	424
G21C   7/08		ǡ㡥Ѱ̤ˤΡΣ	by displacement of solid control elements, e.g. control rods	1265
G21C   7/10		Ǥι¤Σ	Construction of control elements	1785
G21C   7/103		İʾεۼΤۤˡ¾ǡ㡥ǳޤϸ®Ǥޤ潸ΡΣ	Control assemblies containing one or more absorbants as well as other elements, e.g. fuel or moderator elements	159
G21C   7/107		ڥ֥٥åɸϧŬ礵줿ǡΣ	Control elements adapted for pebble-bed reactors	55
G21C   7/11		ѷǽǡ㡥̼ߡἰΣ	Deformable control elements, e.g. flexible, telescopic, articulated	135
G21C   7/113		ʿǤǺ줿ǡǤβ̤ĤΡΣ	Control elements made of flat elements; Control elements having cruciform cross-section	487
G21C   7/117		Υ饹ѥ¤Σ	Clusters of control rods; Spider construction	304
G21C   7/12		Ǥ˾ΰ֤˰ưʡʶ۵޻ˤȿϧΣǣãˡΣ	Means for moving control elements to desired position(dropping control rods into the reactor core in an emergency <b>G21C9/02</b>)	1718
G21C   7/14		ŪưΣ	Mechanical drive arrangements	1778
G21C   7/16		尵ޤϵưΣ	Hydraulic or pneumatic drive arrangements	1360
G21C   7/18		Ǥ˺ưư򤢤ʡΣ	Means for obtaining differential movement of control elements	80
G21C   7/20		׷ۼ֤֡Σ	Disposition of shock-absorbing devices	325
G21C   7/22		ήξޤήưҵۼѰ̤ˤΡΣ	by displacement of a fluid or fluent neutron-absorbing material	588
G21C   7/24		ҵۼʪΣ	Selection of substances for use as neutron-absorbing material	553
G21C   7/26		®ޤϤΰѰ̤ˤΡΣ	by displacement of the moderator or parts thereof	663
G21C   7/27		ڥȥ륷եΣ	Spectral shift control	232
G21C   7/28		ȿͺޤϤΰѰ̤ˤΡΣ	by displacement of the reflector or parts thereof	269
G21C   7/30		ϧǳޤϤΰǳǤѰ̤ˤΡΣ	by displacement of reactor fuel or fuel elements	255
G21C   7/32		ϧѺήѲˤΡΣ	by varying flow of coolant through the core	316
G21C   7/34		켡ҸѤˤΡΣ	by utilisation of a primary neutron source	100
G21C   7/36		ϩΣ	Control circuits	712
G21C   9/00		ϧȹ¤Ϣ۵ɸΤιʶ۵ѤΤιǣã	Emergency protection arrangements structurally associated with the reactor(emergency cooling arrangements <b>G21C15/18</b>)	3050
G21C   9/004		Σ	Pressure suppression	1757
G21C   9/008		ĤޤϥեΣ	by rupture-discs or -diaphragms	238
G21C   9/012		ǮѤˤΤޤϾŽ̤ˤΡ㡥ǥ󥵡Σ	by thermal accumulation or by steam condensation, e.g. ice condensers	355
G21C   9/016		å㡼Σ	Core catchers	659
G21C   9/02		λȿ٤®˸뤿μʡ㡥ϧҥ塼	Means for effecting very rapid reduction of the reactivity factor under fault conditions, e.g. reactor fuse	841
G21C   9/027		Ρ㡥γۼΡι®ˤΡΣ	by fast movement of a solid, e.g. pebbles	185
G21C   9/033		ۼήΤˤΡΣ	by an absorbent fluid	355
G21C   9/04		кҤ뤿μ	Means for suppressing fires	322
G21C   9/06		ȯѤɻߤ뤿μʡ㡥ƷΣ	Means for preventing accumulation of explosives gases, e.g. recombiners	272
G21C  11/00		ϧȹ¤Ϣפؤ	Shielding structurally associated with the reactor	394
G21C  11/02		μפؤ	Biological shielding	939
G21C  11/04		ˤ	on waterborne craft	82
G21C  11/06		ȿѼפؤʤҤ»Ǿˤ뤿Τ	Reflecting shields, i.e. for minimising loss of neutrons	400
G21C  11/08		ǮפؤǮĥꡤʤˤȯ¦μפؤǮ뤪ΤǮû뤿μ	Thermal shields; Thermal linings, i.e. for dissipating heat from gamma radiation which would otherwise heat an outer biological shield	952
G21C  13/00		ƴǼƴǼ	Pressure vessels; Containment vessels; Containment in general	5495
G21C  13/02			Details	2616
G21C  13/024		ƴޤϳǼƴλٻ¤Σ	Supporting constructions for pressure vessels or containment vessels	1214
G21C  13/028		̩㡥ƴޤϳǼƴΤΤΡΣ	Seals, e.g. for pressure vessels or containment vessels	841
G21C  13/032		ɤƴɴ֤ηѤꡤ㡥ǮϤθΡΣ	Joints between tubes and vessel walls, e.g. taking into account thermal stresses	322
G21C  13/036		ƴ̤ɡʤɤξ¦ޤǿӤƤΡΣ	the tube passing through the vessel wall, i.e. continuing on both sides of the wall	530
G21C  13/04		ıӼ̤Τι	Arrangements for expansion and contraction	244
G21C  13/06		̩ץ饰	Sealing-plugs	845
G21C  13/067		ɾΤΤΡ㡥ɥѥסץ饰ѥå֡Σ	for tubes, e.g. standpipes; Locking devices for plugs	322
G21C  13/073		ϧƴѤγ㡥žǽʤΡΣ	Closures for reactor-vessels, e.g. rotatable	875
G21C  13/08		ħΤƴƴѺ	Vessels characterised by the material; Selection of materials for pressure vessels	284
G21C  13/087		°ƴΣ	Metallic vessels	365
G21C  13/093		󥯥꡼ƴΣ	Concrete vessels	368
G21C  13/10		ϳ̤ˤɤμ	Means for preventing contamination in event of leakage	594
G21C  15/00		ϧͭ밵ƴѷϡѺ	Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants	1310
G21C  15/02		ǮѺãϩι¤ޤ֡㡥ǳǤλٻʪ̤Ѻ۴Ĥ뤿Τ	Arrangement or disposition of passages in which heat is transferred to the coolant, e.g. for coolant circulation through the supports of the fuel elements	2392
G21C  15/04		ʬޤʪǮФ	from fissile or breeder material	313
G21C  15/06		ǳǤˤ	in fuel elements	617
G21C  15/08		®फǮФ	from moderating material	90
G21C  15/10		ȿͺޤǮפؤǮФ	from reflector or thermal shield	101
G21C  15/12		ƴ狼ǮФ	from pressure vessel; from containment vessel	861
G21C  15/14		ǮήΤƳƳɤǮФΡ֡㡥ݥס顤ޤǤʤƳɤǮФ	from ducts conducting a hot fluid; from ducts comprising auxiliary apparatus, e.g. pumps, cameras	823
G21C  15/16		ʬΥʤޤ	comprising means for separating liquid and steam	529
G21C  15/18		۵ѷϡϧ߸ȯǮ	Emergency cooling arrangements; Removing shut-down heat	5451
G21C  15/20		ǳͥȸ®δ֤λڤޤǮ㡥ϴɷϧˤ	Partitions or thermal insulation between fuel channel and moderator, e.g. in pressure tube reactors	115
G21C  15/22		إåޤ¾δɤѴɤη繽¤㡥ϴɷϧˤΡΣ	Structural association of coolant tubes with headers or other pipes, e.g. in pressure tube reactors	381
G21C  15/24		Ѻή¥ʤ	Promoting flow of the coolant	779
G21C  15/243		ѡΣ	for liquids	1254
G21C  15/247		ζ°ѡΣ	for liquid metals	330
G21C  15/25		åȥݥפѤΡΣ	using jet pumps	473
G21C  15/253		ѡ㡥֡Σ	for gases, e.g. blowers	222
G21C  15/257		ҡȥѥפѤΡΣ	using heat-pipes	273
G21C  15/26		ήˤΡ㡥;ΤΡͥѤ	by convection, e.g. using chimneys, using divergent channels	261
G21C  15/28		Ѻʸ®ȤѤǣã	Selection of specific coolants(if serving as the moderator <b>G21C5/12</b>)	539
G21C  17/00		ƻ롨	Monitoring; Testing	10732
G21C  17/003		ƴ㡥ƴαָΣ	Remote inspection of vessels, e.g. pressure vessels	3171
G21C  17/007		ƴγ¦ɽ̤θΣ	Inspection of the outer surfaces of vessels	157
G21C  17/01		ƴ¦ɽ̤θΣ	Inspection of the inner surfaces of vessels	360
G21C  17/013		򤹤ưΡΣ	Inspection vehicles	620
G21C  17/017		۴ɤޤϴɤθޤݼΣ	Inspection or maintenance of pipe-lines or tubes in nuclear installations	1558
G21C  17/02		Ѻ⤷ϸ®ƻ뤹뤿֤ޤ	Devices or arrangements for monitoring coolant or moderator	2168
G21C  17/022		Ѻޤϸ®ƻ뤹뤿ΤΡΣ	for monitoring liquid coolants or moderators	681
G21C  17/025		ζ°Ѻƻ뤹뤿ΤΡΣ	for monitoring liquid metal coolants	539
G21C  17/028		Ѻƻ뤹뤿ΤΡΣ	for monitoring gaseous coolants	122
G21C  17/032		ϧѺή¬ޤϴƻΣ	Reactor-coolant flow measuring or monitoring	510
G21C  17/035		®ޤѺΥ٥븡֡Σ	Moderator- or coolant-level detecting devices	533
G21C  17/038		®ޤѺʨƭСΣ	Boiling detection in moderator or coolant	134
G21C  17/04		Ҥθ	Detecting burst slugs	683
G21C  17/06		ǳ⤷ǳǤϧγ¦Ǵƻޤ뤿֤ޤ֡㡥С󥢥åסФΡʣǣãǣãͥ表ϧžǳǤϳ̤θУǣã	Devices or arrangements for monitoring or testing fuel or fuel elements outside the reactor core, e.g. for burn-up, for contamination(<b>G21C17/08</b>, <b>G21C17/10</b> take precedence; detecting leaking fuel elements during reactor operation <b>G21C17/04</b>)	3222
G21C  17/07		ϳ̻Σ	Leak testing	954
G21C  17/08		ϧޤϸ®๽¤ȴѻ֡㡥ƥӥ󥫥顤ڥꥹס롤Ȥȹ礻	Structural combination of reactor core or moderator structure with viewing means, e.g. with television camera, periscope, window	912
G21C  17/10		ǳǡϧޤϸ®๽¤ȴη״㡥ǽҤ¬ʤȤȹ礻	Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain	3941
G21C  17/104		ȿ٤¬ꤹΡΣ	Measuring reactivity	243
G21C  17/108		ϧΥեå¬ꤹΡΣ	Measuring reactor flux	1286
G21C  17/112		٤¬ꤹΡΣ	Measuring temperature	616
G21C  17/116		ϩޤΡ㡥ŵ֥ѡΣ	Passages or insulators, e.g. for electric cables	184
G21C  17/12		Ǥΰ븡ǻ	Sensitive element forming part of control element	518
G21C  17/14		ϧ	Period meters	133
G21C  19/00		ϧ⡤㡥ΰƴ⡤ǻѤǳޤϤ¾ʪν谷ޤϼ谷ưפˤ뤿ιΣ	Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel	1287
G21C  19/02		谷֤κ	Details of handling arrangements	3528
G21C  19/04		갷ʪΤФѺή椹뤿μʡ갷ͥήѺή椹뤿μ	Means for controlling flow of coolant over objects being handled; Means for controlling flow of coolant through channel being serviced	247
G21C  19/06		ǳǤޤǤٻޤ¢뤿μʡΣ	Means for supporting or storing fuel elements or control elements	1775
G21C  19/07		¢å¢סΣ	Storage racks; Storage pools	1924
G21C  19/08		ǳǤϧƳ˲Ǯ뤿μʡϧǳǤ塤ǮޤѤ	Means for heating fuel elements before introduction into the core; Means for heating or cooling fuel elements after removal from the core	203
G21C  19/10		ǳǤޤǤȶƱѤ٬Ťޤϴ夲	Lifting devices or pulling devices adapted for co-operation with fuel elements or with control elements	995
G21C  19/105		ĻޤϳĥѤǤĤΡΣ	with grasping or spreading coupling elements	578
G21C  19/11		žѤǤĤΡ㡥åȷѤΣ	with revolving coupling elements, e.g. socket coupling	87
G21C  19/115		ݤ֤ȥܡѤĤΡΣ	with latching devices and ball couplings	73
G21C  19/12		ǳǤޤǤľܡ尵ޤϵˤϤä뤿ι	Arrangements for exerting direct hydraulic or pneumatic force on fuel element or on control element	95
G21C  19/14		ϧοʿͥѤ뤳ȤħΤ	characterised by their adaptation for use with horizontal channels in the reactor core	147
G21C  19/16		ϧΥͥϢ̤뤿δͭ롤ޤϡ줳塼ȤޤƳ	Articulated or telescopic chutes or tubes for connection to channels in the reactor core	422
G21C  19/18		ǳǤ㡥¢꤫顤ϧŶΰ˰	Apparatus for bringing fuel elements to the reactor charge area, e.g. from a storage place	898
G21C  19/19		谷ưפˤ뤿äѤ븶ϧʡ㡥ǳǤŶޤϼФưפˤ뤿ΤΡΣ	Reactor parts specifically adapted to facilitate handling, e.g. to facilitate charging or discharging of fuel elements	1525
G21C  19/20		ŪʪƴƳ뤿ιƴŪʪ갷ιƴ狼ŪʪФι	Arrangements for introducing objects into the pressure vessel; Arrangements for handling objects within the pressure vessel; Arrangements for removing objects from the pressure vessel	2681
G21C  19/22		ϧư˰ƴ˶ܤǤ뤿ι	Arrangements for obtaining access to the interior of a pressure vessel whilst the reactor is operating	96
G21C  19/24		ƴŪ̩ƴѤ뤳Ȥˤ	by using an auxiliary vessel which is temporarily sealed to the pressure vessel	58
G21C  19/26		ѷޤ»ǳǤޤǤФι»ʬ빽	Arrangements for removing jammed or damaged fuel elements or control elements; Arrangements for moving broken parts thereof	364
G21C  19/28		ήξʪϧƳ뤿ιϧήξʪФι	Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core	499
G21C  19/30		۴Ĥήξʪ㡥ʬʪФˤꡤϢ³Ū˾	with continuous purification of circulating fluent material, e.g. by extraction of fission products	1079
G21C  19/303		ä˵ѤŬ礵줿ΡʵΤαǣƣˡΣ	specially adapted for gases(decontamination of gases <b>G21F9/02</b>)	252
G21C  19/307		ä˱ѤŬ礵줿ΡʱΤαǣƣˡΣ	specially adapted for liquids(decontamination of liquids <b>G21F9/04</b>)	1373
G21C  19/31		ͻ°ѡΣ	for molten metals	187
G21C  19/313		ɥȥåפѤΡΣ	using cold traps	267
G21C  19/317		ʬʪΤκƷ֡Σ	Recombination devices for radiolytic dissociation products	141
G21C  19/32		ʪΤޤʪ򸶻ϧμФΰ褫顤㡥¢ء뤿֡ʪΤޤϺ¢Ǽ갷ޤ¢꤫Ф֡Ѵʪǣƣ	Apparatus for removing radioactive objects or materials from the reactor discharge area, e.g. to a storage place; Apparatus for handling radioactive objects or materials within a storage place or removing them therefrom(disposal of waste material <b>G21F9/00</b>)	2674
G21C  19/33		ѺѤǳǤΥȥ󥰤ʬ򤹤֤ޤˡʣǣãͥˡΣ	Apparatus or processes for dismantling strings of spent fuel elements(<b>G21C19/34</b> takes precedence)	322
G21C  19/34		ǳʬ򤹤֤ˡ㡥ƽΣ	Apparatus or processes for dismantling nuclear fuel, e.g. before reprocessing	266
G21C  19/36		ŪʤΤ	Mechanical means only	321
G21C  19/365		ǳ餽ʤޤϥ󥰤ΡΣ	Removing cannings or casings from fuel	73
G21C  19/37		ʤޤϥ󥰤ǳǤξҤʬ䤹뤳ȤˤΡ㡥ǤޤǤˤΡΣ	by separating into pieces both the canning or the casing and the fuel element, e.g. by cutting or shearing	183
G21C  19/375		Ʋ֡㡥ǳѡΣ	Compacting devices, e.g. for fuel assemblies	68
G21C  19/38		ŪʤΤ	Chemical means only	126
G21C  19/40		׳֤㡥¢ˡΤɻߤ뤿ι	Arrangements for preventing occurrence of critical conditions, e.g. during storage	703
G21C  19/42		ȼͺǳκƽ	Reprocessing of irradiated fuel	441
G21C  19/44		ȼͺѸǳˤĤ	of irradiated solid fuel	601
G21C  19/46		ϱդˤ	Aqueous processes	1717
G21C  19/48		ϱդˤ	Non-aqueous processes	393
G21C  19/50		ȼͺήξǳˤĤ	of irradiated fluid fuel	94
G21C  21/00		ϧޤϤʬʤ¤ΤäѤ֤ޤˡ	Apparatus or processes specially adapted to the manufacture of reactors or parts thereof	1450
G21C  21/02		ʤǳǤޤǤ¤	Manufacture of fuel elements or breeder elements contained in non-active casings	2156
G21C  21/04		ưˤ͹ߤޤϲˤ	by vibrational compaction or tamping	118
G21C  21/06		ˤ	by swaging	30
G21C  21/08		٤Ϥʥåץեåȡʤˡˤ	by a slip-fit cladding process	56
G21C  21/10		Фȴޤϰˤ	by extrusion, drawing, or stretching	224
G21C  21/12		尵ޤϹⲹˤ	by hydrostatic or thermo-pneumatic canning	68
G21C  21/14		ήˤնˤ	by plating in a fluid	57
G21C  21/16		¤ޤϤɤ֤ŤѤˤ	by casting or dipping techniques	126
G21C  21/18		롼ףǣãޤǤ¤	Manufacture of control elements covered by group <b>G21C7/00</b>	159
G21C  23/00		¸ޤϾȼͤưפˤ뤿θϧΣ	Adaptations of reactors to facilitate experimentation or irradiation	555
