ES8600550A1 - Mejoras introducidas en conjuntos de combustible nuclear. - Google Patents
Mejoras introducidas en conjuntos de combustible nuclear.Info
- Publication number
- ES8600550A1 ES8600550A1 ES521252A ES521252A ES8600550A1 ES 8600550 A1 ES8600550 A1 ES 8600550A1 ES 521252 A ES521252 A ES 521252A ES 521252 A ES521252 A ES 521252A ES 8600550 A1 ES8600550 A1 ES 8600550A1
- Authority
- ES
- Spain
- Prior art keywords
- rod
- rotation
- end plug
- nuclear fuel
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/326—Bundles of parallel pin-, rod-, or tube-shaped fuel elements 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
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
- G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
- G21C7/12—Means for moving control elements to desired position
- G21C7/14—Mechanical drive arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Transmission Devices (AREA)
- Supports For Pipes And Cables (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
MEJORAS INTRODUCIDAS EN CONJUNTOS DE COMBUSTIBLE NUCLEAR.CONSISTENTES EN: UNA PLURALIDAD DE BARRAS DE FORMA ALARGADA (22) CON UN OBTURADOR DE EXTREMIDAD (30) DISPUESTO EN UNA EXTREMIDAD LONGITUDINAL DE CADA UNA DE LAS BARRAS (22); UNA PLACA DE FIJACION (42) CON UNA PLURALIDAD DE MANGUITOS (40) DE PLACA DE FIJACION CILINDRICOS, TENIENDO CADA UNO DE LOS MANGUITOS (40) DE PLACA DE FIJACION UNA CAVIDAD INTERNA (43) DESTINADA A RECIBIR A TRAVES DE ELLA UN OBTURADOR DE EXTREMIDAD (30) DE UNA DE LAS BARRAS DE FORMA ALARGADAS (22); Y UN DISPOSITIVO ANTI-ROTACION (36, 38) Y LOS MANGUITOS (40) PARA IMPEDIR LA ROTACION DE LAS BARRAS (22), QUE ESTA FORMADO EN EL OBTURADOR (30) Y EN EL MANGUITO (20) EXTERIOR DE LA CAVIDAD INTERNA (43), PARA IMPEDIR LA ROTACION DE LAS BARRAS DE FORMA ALARGADA (22).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/366,819 US4492668A (en) | 1982-04-08 | 1982-04-08 | Apparatus and method for preventing the rotation of rods used in nuclear _fuel assemblies |
Publications (2)
Publication Number | Publication Date |
---|---|
ES521252A0 ES521252A0 (es) | 1985-10-01 |
ES8600550A1 true ES8600550A1 (es) | 1985-10-01 |
Family
ID=23444675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES521252A Expired ES8600550A1 (es) | 1982-04-08 | 1983-04-06 | Mejoras introducidas en conjuntos de combustible nuclear. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4492668A (es) |
JP (1) | JPS58186082A (es) |
KR (1) | KR840004604A (es) |
ES (1) | ES8600550A1 (es) |
IT (1) | IT1170122B (es) |
SE (1) | SE450307B (es) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2541809B1 (fr) * | 1983-02-25 | 1985-07-26 | Framatome Sa | Assemblage combustible pour un reacteur nucleaire |
US4818473A (en) * | 1985-05-08 | 1989-04-04 | Westinghouse Electric Corp. | Fuel bundle |
FR2599884B1 (fr) * | 1986-06-10 | 1988-10-07 | Fragema Framatome & Cogema | Grappe de reglage munie de crayons demontables pour assemblage de combustible nucleaire |
EP0549844B1 (de) * | 1992-01-03 | 1996-05-22 | Siemens Aktiengesellschaft | Kernreaktorbrennelement |
US5406604A (en) * | 1993-11-18 | 1995-04-11 | General Electric Company | Two part tie plate adapted to D & C lattice |
US5553108A (en) * | 1994-11-03 | 1996-09-03 | General Electric Company | Water rod attachment in a nuclear reactor fuel bundle |
US5608768A (en) * | 1995-01-17 | 1997-03-04 | General Electric Company | Threaded fuel rod end plugs and related method |
US5646973A (en) * | 1995-10-12 | 1997-07-08 | General Electric Company | BWR fuel assembly without upper tie plate |
FR2754101B1 (fr) * | 1996-09-30 | 1998-12-04 | Framatome Sa | Squelette d'assemblage combustible nucleaire a tubes guides et procede de fabrication d'un tel squelette |
SE508875C2 (sv) | 1997-03-11 | 1998-11-09 | Asea Atom Ab | Anordning och förfarande för låsning av stavar i bottenplattan på en bränslepatron |
US6275556B1 (en) | 1999-11-19 | 2001-08-14 | Westinghouse Electric Company Llc | Method and apparatus for preventing relative rotation of tube members in a control rod drive mechanism |
KR100996956B1 (ko) * | 2008-11-25 | 2010-11-29 | 한국수력원자력 주식회사 | 분할 핵연료봉용 상하부 중간 봉단마개 및 이를 구비한 분할 핵연료봉 |
CN202972113U (zh) * | 2012-10-22 | 2013-06-05 | 费希尔久安输配设备(成都)有限公司 | 一种驱动装置以及包含该驱动装置的阀 |
US11437155B2 (en) * | 2017-02-28 | 2022-09-06 | Westinghouse Electric Company Llc | Three dimensional printed precision magnets for fuel assembly |
US10720246B2 (en) * | 2017-04-20 | 2020-07-21 | Westinghouse Electric Company Llc | Fuel assembly arrangement for retaining fuel rod end plug to bottom nozzle |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3741868A (en) * | 1970-03-30 | 1973-06-26 | Gen Electric | Fuel bundle with removable rods |
US3864211A (en) * | 1972-10-02 | 1975-02-04 | Exxon Nuclear Co Inc | Removable upper tie plate |
US3953287A (en) * | 1973-08-06 | 1976-04-27 | Exxon Nuclear Company, Inc. | Assembly mechanism for nuclear fuel bundles |
-
1982
- 1982-04-08 US US06/366,819 patent/US4492668A/en not_active Expired - Fee Related
-
1983
- 1983-03-18 SE SE8301496A patent/SE450307B/sv not_active IP Right Cessation
- 1983-03-28 IT IT20324/83A patent/IT1170122B/it active
- 1983-04-06 ES ES521252A patent/ES8600550A1/es not_active Expired
- 1983-04-08 JP JP58061053A patent/JPS58186082A/ja active Granted
- 1983-04-08 KR KR1019830001465A patent/KR840004604A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE450307B (sv) | 1987-06-15 |
KR840004604A (ko) | 1984-10-22 |
JPH0129433B2 (es) | 1989-06-09 |
JPS58186082A (ja) | 1983-10-29 |
ES521252A0 (es) | 1985-10-01 |
IT1170122B (it) | 1987-06-03 |
SE8301496L (sv) | 1983-10-09 |
IT8320324A0 (it) | 1983-03-28 |
US4492668A (en) | 1985-01-08 |
SE8301496D0 (sv) | 1983-03-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Patent lapsed |
Effective date: 19960506 |