JPH0151950B2 - - Google Patents
Info
- Publication number
- JPH0151950B2 JPH0151950B2 JP58140657A JP14065783A JPH0151950B2 JP H0151950 B2 JPH0151950 B2 JP H0151950B2 JP 58140657 A JP58140657 A JP 58140657A JP 14065783 A JP14065783 A JP 14065783A JP H0151950 B2 JPH0151950 B2 JP H0151950B2
- Authority
- JP
- Japan
- Prior art keywords
- spring
- grid
- strap
- fuel
- straps
- 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
- G21C3/34—Spacer grids
- G21C3/356—Spacer grids being provided with fuel element supporting members
- G21C3/3563—Supporting members formed only by deformations in the strips
-
- 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
- G21C3/34—Spacer grids
-
- 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)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Fuel Cell (AREA)
- Prostheses (AREA)
- Springs (AREA)
- Fuel-Injection Apparatus (AREA)
- Hybrid Cells (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/405,482 US4474730A (en) | 1982-08-05 | 1982-08-05 | Nuclear fuel spacer grid |
| US405482 | 1982-08-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5963588A JPS5963588A (ja) | 1984-04-11 |
| JPH0151950B2 true JPH0151950B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-11-07 |
Family
ID=23603881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58140657A Granted JPS5963588A (ja) | 1982-08-05 | 1983-08-02 | 燃料棒の支持グリツド |
Country Status (11)
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4897241A (en) * | 1981-11-30 | 1990-01-30 | Combustion Engineering, Inc. | Anti-bow grid for nuclear fuel assembly |
| FR2520149B1 (fr) * | 1982-01-20 | 1987-03-20 | Commissariat Energie Atomique | Grille d'espacement pour assemblage combustible de reacteur nucleaire comportant des points d'appui opposes deux a deux pratiques sur des lamelles deformables elastiquement |
| US4692302A (en) * | 1983-12-30 | 1987-09-08 | Westinghouse Electric Corp. | Coolant flow mixer grid for a nuclear reactor fuel assembly |
| JPS60203892A (ja) * | 1984-03-28 | 1985-10-15 | 原子燃料工業株式会社 | 加圧水型原子炉用の核燃料集合体 |
| US4659542A (en) * | 1984-10-03 | 1987-04-21 | Westinghouse Electric Corp. | Grid structure for nuclear fuel assembly |
| US4659541A (en) * | 1985-05-01 | 1987-04-21 | Westinghouse Electric Corp. | Nuclear fuel rod support grid with improved multiple dimple arrangement |
| US4678632A (en) * | 1985-06-05 | 1987-07-07 | Westinghouse Electric Corp. | Nuclear fuel assembly grid with predetermined grain orientation |
| US4652421A (en) * | 1985-09-05 | 1987-03-24 | Westinghouse Electric Corp. | Outer grid strap protruding spring repair apparatus |
| US4744942A (en) * | 1986-06-11 | 1988-05-17 | Westinghouse Electric Corp. | Nuclear reactor spacer grid loading |
| US4923669A (en) * | 1989-02-21 | 1990-05-08 | Westinghouse Electric Corp. | Nuclear fuel rod grid spring and dimple structures having chamfered edges for reduced pressure drop |
| US5271054A (en) * | 1991-09-25 | 1993-12-14 | Combustion Engineering, Inc. | Perimeter grid strip |
| FR2697368B1 (fr) * | 1992-10-28 | 1995-01-13 | Framatome Sa | Grille-entretoise d'un assemblage combustible d'un réacteur nucléaire refroidi par de l'eau légère. |
| US5339341A (en) * | 1993-09-17 | 1994-08-16 | B&W Fuel Company | Mid span mixer grid |
| US5488644A (en) * | 1994-07-13 | 1996-01-30 | General Electric Company | Spring assemblies for adjoining nuclear fuel rod containing ferrules and a spacer formed of the spring assemblies and ferrules |
| US5519747A (en) * | 1994-10-04 | 1996-05-21 | General Electric Company | Apparatus and methods for fabricating spacers for a nuclear fuel rod bundle |
| US5546437A (en) * | 1995-01-11 | 1996-08-13 | General Electric Company | Spacer for nuclear fuel rods |
| US5566217A (en) * | 1995-01-30 | 1996-10-15 | General Electric Company | Reduced height spacer for nuclear fuel rods |
| FR2736190B1 (fr) * | 1995-06-29 | 1997-10-10 | Framatome Sa | Grille-entretoise d'un assemblage de combustible pour un reacteur nucleaire et assemblage de combustible |
| US5675621A (en) * | 1995-08-17 | 1997-10-07 | General Electric Company | Reduced height flat spring spacer for nuclear fuel rods |
| KR100432581B1 (ko) * | 2001-07-10 | 2004-05-24 | 한국수력원자력 주식회사 | 연료봉 접촉면적과 스프링 탄성영역을 확장하는 격자스프링이 부착된 지지격자체 |
| US6606369B1 (en) | 2002-03-06 | 2003-08-12 | Westinghouse Electric Company Llc | Nuclear reactor with improved grid |
| US6819733B2 (en) | 2002-05-15 | 2004-11-16 | Westinghouse Electric Company Llc | Fuel assembly and associated grid for nuclear reactor |
| US7623612B2 (en) * | 2006-03-27 | 2009-11-24 | Westinghouse Electric Co. Llc | Bi-alloy spacer grid and associated methods |
| US9378852B2 (en) * | 2012-04-17 | 2016-06-28 | Bwxt Mpower, Inc. | Spacer grids for nuclear reactor |
| US10818402B2 (en) * | 2017-03-31 | 2020-10-27 | Westinghouse Electric Company Llc | Spacer grid using tubular cells with mixing vanes |
| SE545540C2 (en) * | 2020-08-18 | 2023-10-17 | Saab Ab | Spring arrangement for countermeasure magazine comprising it |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US27173A (en) * | 1860-02-14 | Mode of cutting boot-vamps | ||
| BE625489A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1961-12-01 | |||
| US3350275A (en) * | 1965-08-26 | 1967-10-31 | Gen Electric | Reactor fuel assembly device |
| US3338791A (en) | 1965-06-07 | 1967-08-29 | Gen Electric | Reactor device |
| US3654077A (en) * | 1967-06-26 | 1972-04-04 | Gen Electric | Nuclear reactor fuel element spacer |
| FR1571496A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1968-05-06 | 1969-06-20 | ||
| US3665586A (en) * | 1968-11-07 | 1972-05-30 | Babcock & Wilcox Co | Nuclear fuel rod supporting arrangements |
| US3686071A (en) * | 1969-08-19 | 1972-08-22 | Combustion Eng | Bimetallic spacer grid |
| GB1301584A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1970-04-08 | 1972-12-29 | ||
| US3746618A (en) * | 1970-06-01 | 1973-07-17 | Continental Oil Co | Nuclear reactor fuel element spacer assembly |
| US3795040A (en) * | 1971-10-28 | 1974-03-05 | Babcock & Wilcox Co | Method of inserting fuel rods into individual cells in a fuel element grid |
| DE2233904A1 (de) * | 1972-07-10 | 1974-01-31 | Stichting Reactor Centrum | Haltegitter fuer ein buendel zylindrischer elemente, die an einem waermeaustauschvorgang teilnehmen |
| JPS5731241B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-07-26 | 1982-07-03 | ||
| JPS51151492A (en) * | 1975-06-20 | 1976-12-25 | Nuclear Fuel Ind Ltd | Spacer grid for nuclear fuel assemblies |
| US4059483A (en) * | 1975-12-05 | 1977-11-22 | Combustion Engineering, Inc. | Nuclear fuel assembly seismic amplitude limiter |
| US4137125A (en) * | 1976-11-12 | 1979-01-30 | Westinghouse Electric Corp. | Method of welding nuclear reactor fuel assemblies |
| US4175003A (en) * | 1976-12-23 | 1979-11-20 | Westinghouse Electric Corp. | Grid for nuclear reactor fuel assemblies |
| US4268356A (en) * | 1978-07-14 | 1981-05-19 | Westinghouse Electric Corp. | Nuclear reactor fuel assembly grid |
| FR2465296A1 (fr) * | 1979-09-06 | 1981-03-20 | Commissariat Energie Atomique | Dispositif de fixation d'un ressort sur une grille d'espacement d'elements combustibles de reacteurs nucleaires |
| US4389369A (en) * | 1980-08-11 | 1983-06-21 | Westinghouse Electric Corp. | Bi-metallic grid for a nuclear reactor fuel assembly |
-
1982
- 1982-08-05 US US06/405,482 patent/US4474730A/en not_active Expired - Fee Related
-
1983
- 1983-07-12 ZA ZA835075A patent/ZA835075B/xx unknown
- 1983-07-22 IT IT22200/83A patent/IT1170176B/it active
- 1983-08-02 JP JP58140657A patent/JPS5963588A/ja active Granted
- 1983-08-02 EP EP83304453A patent/EP0101241B1/en not_active Expired
- 1983-08-02 DE DE8383304453T patent/DE3370224D1/de not_active Expired
- 1983-08-03 FR FR8312801A patent/FR2531562A1/fr active Granted
- 1983-08-03 ES ES524693A patent/ES8600549A1/es not_active Expired
- 1983-08-04 KR KR1019830003643A patent/KR910004190B1/ko not_active Expired
- 1983-08-04 PH PH29356A patent/PH20824A/en unknown
- 1983-08-05 BE BE0/211316A patent/BE897480A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US4474730A (en) | 1984-10-02 |
| IT8322200A1 (it) | 1985-01-22 |
| DE3370224D1 (en) | 1987-04-16 |
| ES524693A0 (es) | 1985-10-01 |
| ES8600549A1 (es) | 1985-10-01 |
| KR840005890A (ko) | 1984-11-19 |
| JPS5963588A (ja) | 1984-04-11 |
| ZA835075B (en) | 1984-03-28 |
| IT1170176B (it) | 1987-06-03 |
| PH20824A (en) | 1987-04-24 |
| FR2531562A1 (fr) | 1984-02-10 |
| FR2531562B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-04-19 |
| EP0101241A2 (en) | 1984-02-22 |
| KR910004190B1 (ko) | 1991-06-24 |
| EP0101241B1 (en) | 1987-03-11 |
| IT8322200A0 (it) | 1983-07-22 |
| BE897480A (fr) | 1984-02-06 |
| EP0101241A3 (en) | 1984-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0151950B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| US4396573A (en) | Space grate for fuel-elements of nuclear reactors | |
| EP0452706B1 (en) | Nuclear fuel assembly spacer and spring | |
| US4578240A (en) | Nuclear reactor fuel assembly spacer grid | |
| US4585616A (en) | Nuclear fuel spacer grid with improved outer straps | |
| US5002726A (en) | Nuclear fuel assembly spacer and loop spring with enhanced flexibility | |
| US3844887A (en) | Nuclear reactor fuel assembly | |
| JPS6312552B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| US3715275A (en) | Bimetallic spacer grid arrangement | |
| US4585615A (en) | Nuclear fuel spacer grid with improved grid straps | |
| US5085827A (en) | Nuclear fuel assembly spacer and loop spring with enhanced flexibility | |
| IE48230B1 (en) | Improvements in devices for transversely holding the fuel bars of a nuclear reactor assembly | |
| JPS6136632B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| JPH0257680B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| JPH0457238B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| JPH05196768A (ja) | 燃料集合体の格子状スペーサ | |
| GB1531186A (en) | Framework for accommodating fuel rods of a nuclear reacto | |
| US5809101A (en) | Handle unit for a fuel assembly in a nuclear reactor and fuel assembly having modified channel | |
| US5174950A (en) | Grid for nuclear fuel assembly | |
| JP2599893Y2 (ja) | 核燃料集合体用スペーサ | |
| JPH0820533B2 (ja) | 燃料棒スペ−サ | |
| JP3221964B2 (ja) | 燃料集合体 | |
| JPS6335955B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| JP2000230994A (ja) | 燃料集合体用スペーサ | |
| JPS62287184A (ja) | 燃料集合体のスペ−サ |