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IPC-Stelle: G21C 3/00 Hauptgruppe [Version 7 (gültig ab 01.2000), Sprache EN - English]

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Hierarchielinien

DEKLA-Gruppen

Symbol		Titel
A Hierarchieinformationen		HUMAN NECESSITIES
B Hierarchieinformationen		PERFORMING OPERATIONS; TRANSPORTING
C Hierarchieinformationen		CHEMISTRY; METALLURGY
D Hierarchieinformationen		TEXTILES; PAPER
E Hierarchieinformationen		FIXED CONSTRUCTIONS
F Hierarchieinformationen		MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
G Hierarchieinformationen		PHYSICS
G01 Hierarchieinformationen		INSTRUMENTS
G01 Hierarchieinformationen		MEASURING (counting G06M); TESTING
G02 Hierarchieinformationen		OPTICS (making optical elements or apparatus B24B , B29D 11/00 , C03 , or other appropriate subclasses or classes; materials per se, see the relevant places, e.g. C03B , C03C)
G03 Hierarchieinformationen		PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY (reproduction of pictures or patterns by scanning and converting into electrical signals H04N) [4]
G04 Hierarchieinformationen		HOROLOGY
G05 Hierarchieinformationen		CONTROLLING; REGULATING
G06 Hierarchieinformationen		COMPUTING; CALCULATING; COUNTING (score computers for games A63B 71/06 , A63D 15/20 , A63F 1/18; combinations of writing implements with computing devices B43K 29/08)
G07 Hierarchieinformationen		CHECKING-DEVICES
G08 Hierarchieinformationen		SIGNALLING (indicating or display devices per se G09F; transmission of pictures H04N)
G09 Hierarchieinformationen		EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
G10 Hierarchieinformationen		MUSICAL INSTRUMENTS; ACOUSTICS
G11 Hierarchieinformationen		INFORMATION STORAGE
G12 Hierarchieinformationen		INSTRUMENT DETAILS
G21 Hierarchieinformationen		NUCLEONICS
G21 Hierarchieinformationen		NUCLEAR PHYSICS; NUCLEAR ENGINEERING
G21B Hierarchieinformationen		FUSION REACTORS (uncontrolled reactors G21J)
G21C Hierarchieinformationen		NUCLEAR REACTORS (analogue computers therefor G06G 7/54; fusion reactors G21B; nuclear explosives G21J)
G21C 1/00 Hierarchieinformationen		Reactors
G21C 3/00 Hierarchieinformationen		Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements
G21C 3/02 Hierarchieinformationen		. Fuel elements
G21C 3/04 Hierarchieinformationen		. . Constructional details
G21C 3/06 Hierarchieinformationen		. . . Casings; Jackets
G21C 3/07 Hierarchieinformationen		. . . . characterised by their material, e.g. alloys [5]
G21C 3/08 Hierarchieinformationen		. . . . provided with external means to promote heat-transfer, e.g. fins, baffles, corrugations
G21C 3/10 Hierarchieinformationen		. . . . End closures
G21C 3/12 Hierarchieinformationen		. . . . Means forming part of the element for locating it within the reactor core; External spacers for this purpose
G21C 3/14 Hierarchieinformationen		. . . . Means forming part of the element for inserting it into, or removing it from, the core; Means for coupling adjacent elements
G21C 3/16 Hierarchieinformationen		. . . Details of the construction within the casing
G21C 3/17 Hierarchieinformationen		. . . . Means for storage or immobilisation of gases in fuel elements [5]
G21C 3/18 Hierarchieinformationen		. . . . Internal spacers or other non-active material within the casing, e.g. compensating for expansion of fuel rods or for compensating excess reactivity (interlayers G21C 3/20)
G21C 3/20 Hierarchieinformationen		. . . . with coating on fuel or on inside of casing; with non-active interlayer between casing and active material
G21C 3/22 Hierarchieinformationen		. . with fissile or breeder material in contact with coolant
G21C 3/24 Hierarchieinformationen		. . with fissile or breeder material in fluid form within a non-active casing
G21C 3/26 Hierarchieinformationen		. . with fissile or breeder material in powder form within a non-active casing
G21C 3/28 Hierarchieinformationen		. . with fissile or breeder material in solid form within a non-active casing
G21C 3/30 Hierarchieinformationen		. Assemblies of a number of fuel elements in the form of a rigid unit
G21C 3/32 Hierarchieinformationen		. . Bundles of parallel pin-, rod-, or tube-shaped fuel elements
G21C 3/322 Hierarchieinformationen		. . . Means to influence the coolant flow through or around the bundles [5]
G21C 3/324 Hierarchieinformationen		. . . Coats or envelopes for the bundles [5]
G21C 3/326 Hierarchieinformationen		. . . 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 [5]
G21C 3/328 Hierarchieinformationen		. . . . Relative disposition of the elements in the bundle lattice [5]
G21C 3/33 Hierarchieinformationen		. . . Supporting or hanging of elements in the bundle (spacer grids G21C 3/34); Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles [5]
G21C 3/332 Hierarchieinformationen		. . . . Supports for spacer grids [5]
G21C 3/334 Hierarchieinformationen		. . . Assembling the bundles [5]
G21C 3/335 Hierarchieinformationen		. . . Exchanging elements in irradiated bundles [5]
G21C 3/336 Hierarchieinformationen		. . . Spacer elements for fuel rods in the bundle (spacer grids G21C 3/34) [5]
G21C 3/338 Hierarchieinformationen		. . . . Helicoidal spacer elements [5]
G21C 3/34 Hierarchieinformationen		. . . Spacer grids
G21C 3/344 Hierarchieinformationen		. . . . formed of assembled tubular elements [5]
G21C 3/348 Hierarchieinformationen		. . . . formed of assembled non-intersecting strips [5]
G21C 3/352 Hierarchieinformationen		. . . . formed of assembled intersecting strips [5]
G21C 3/356 Hierarchieinformationen		. . . . being provided with fuel element supporting members [5]
G21C 3/36 Hierarchieinformationen		. . Assemblies of plate-shaped fuel elements or coaxial tubes
G21C 3/38 Hierarchieinformationen		. Fuel units consisting of a single fuel element in a supporting sleeve
G21C 3/40 Hierarchieinformationen		. Structural combination of fuel element with thermoelectric element for direct production of electric energy from fission heat (for temperature measurement G21C 17/10)
G21C 3/42 Hierarchieinformationen		. Selection of substances for use as reactor fuel
G21C 3/44 Hierarchieinformationen		. . Fluid or fluent reactor fuel
G21C 3/46 Hierarchieinformationen		. . . Aqueous compositions
G21C 3/48 Hierarchieinformationen		. . . . True or colloidal solutions of the active constituent
G21C 3/50 Hierarchieinformationen		. . . . Suspensions of the active constituent; Slurries
G21C 3/52 Hierarchieinformationen		. . . Liquid metal compositions
G21C 3/54 Hierarchieinformationen		. . . Fused salt, oxide, or hydroxide compositions
G21C 3/56 Hierarchieinformationen		. . . Gaseous compositions; Suspensions in a gaseous carrier
G21C 3/58 Hierarchieinformationen		. . Solid reactor fuel
G21C 3/60 Hierarchieinformationen		. . . Metallic fuel; Intermetallic dispersions
G21C 3/62 Hierarchieinformationen		. . . Ceramic fuel
G21C 3/64 Hierarchieinformationen		. . . . Ceramic dispersion fuel, e.g. cermet
G21C 5/00 Hierarchieinformationen		Moderator or core structure; Selection of materials for use as moderator
G21C 7/00 Hierarchieinformationen		Control of nuclear reaction
G21C 9/00 Hierarchieinformationen		Emergency protection arrangements structurally associated with the reactor (emergency cooling arrangements G21C 15/18)
G21C 11/00 Hierarchieinformationen		Shielding structurally associated with the reactor
G21C 13/00 Hierarchieinformationen		Pressure vessels; Containment vessels; Containment in general (for chemical or physical processes B01J 3/00; pressure vessels in general F16J 12/00)
G21C 15/00 Hierarchieinformationen		Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
G21C 17/00 Hierarchieinformationen		Monitoring; Testing (measuring in general G01)
G21C 19/00 Hierarchieinformationen		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 [2]
G21C 21/00 Hierarchieinformationen		Apparatus or processes specially adapted to the manufacture of reactors or parts thereof (in general, section B, e.g. B23)
G21C 23/00 Hierarchieinformationen		Adaptations of reactors to facilitate experimentation or irradiation [3]
G21D Hierarchieinformationen		NUCLEAR POWER PLANT (electric or magnetic analogue computers, e.g. simulators, for nuclear physics G06G 7/54)
G21F Hierarchieinformationen		PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION, OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR (radiation protection by pharmaceutical means A61K 7/40; in cosmonautic vehicles B64G; combined with a reactor G21C 11/00; combined with X-ray tubes H01J 35/16; combined with X-ray apparatus H05G 1/02)
G21G Hierarchieinformationen		CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES (applications of radiation in general G21H 5/00; handling particles, e.g. neutrons, or electromagnetic radiation not otherwise provided for G21K) [2]
G21H Hierarchieinformationen		OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES; UTILISING COSMIC RADIATION (measurement of nuclear or X-radiation G01T; fusion reactors G21B; nuclear reactors G21C; semiconductor devices sensitive to electromagnetic or corpuscular radiation H01L 31/00)
G21J Hierarchieinformationen		NUCLEAR EXPLOSIVES; APPLICATIONS THEREOF (electric or magnetic analogue computers, e.g. simulators, for nuclear physics G06G 7/54)
G21K Hierarchieinformationen		TECHNIQUES FOR HANDLING PARTICLES OR ELECTROMAGNETIC RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA- OR X-RAY MICROSCOPES (X-ray technique H05G; plasma technique H05H) [2]
H Hierarchieinformationen		ELECTRICITY

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