DE3173411D1 - Spacer grid for nuclear fuel assembly - Google Patents

Spacer grid for nuclear fuel assembly

Info

Publication number
DE3173411D1
DE3173411D1 DE8181400060T DE3173411T DE3173411D1 DE 3173411 D1 DE3173411 D1 DE 3173411D1 DE 8181400060 T DE8181400060 T DE 8181400060T DE 3173411 T DE3173411 T DE 3173411T DE 3173411 D1 DE3173411 D1 DE 3173411D1
Authority
DE
Germany
Prior art keywords
fuel assembly
nuclear fuel
spacer grid
spacer
grid
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
Application number
DE8181400060T
Other languages
English (en)
Inventor
Joseph Leclercq
Jacques Le Pargneux
Claude Feutrel
Guy Lestiboudois
Michel Chantant
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Areva NP SAS
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Framatome SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9237742&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3173411(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Commissariat a lEnergie Atomique CEA, Framatome SA filed Critical Commissariat a lEnergie Atomique CEA
Application granted granted Critical
Publication of DE3173411D1 publication Critical patent/DE3173411D1/de
Expired legal-status Critical Current

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
    • 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
    • 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
    • G21C3/3424—Fabrication of spacer grids
    • 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
    • G21C3/3566—Supporting members formed only of elements fixed on the strips
    • 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)
  • Fuel Cell (AREA)
  • Springs (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
DE8181400060T 1980-01-22 1981-01-19 Spacer grid for nuclear fuel assembly Expired DE3173411D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8001304A FR2474229B1 (fr) 1980-01-22 1980-01-22 Grille entretoise pour assemblage combustible de reacteur nucleaire

Publications (1)

Publication Number Publication Date
DE3173411D1 true DE3173411D1 (en) 1986-02-20

Family

ID=9237742

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181400060T Expired DE3173411D1 (en) 1980-01-22 1981-01-19 Spacer grid for nuclear fuel assembly

Country Status (14)

Country Link
US (1) US4411862A (de)
EP (2) EP0033263B1 (de)
JP (1) JPS56110090A (de)
AT (1) AT372543B (de)
BR (1) BR8100308A (de)
DE (1) DE3173411D1 (de)
DK (1) DK21181A (de)
ES (1) ES498703A0 (de)
FR (1) FR2474229B1 (de)
GR (1) GR72762B (de)
IE (1) IE51561B1 (de)
PH (1) PH18844A (de)
PT (1) PT72368B (de)
ZA (1) ZA81291B (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4544522A (en) * 1982-08-20 1985-10-01 General Electric Company Nuclear fuel assembly spacer
FR2535101A1 (fr) * 1982-10-22 1984-04-27 Fragema Framatome & Cogema Procede et dispositif de mise en place de ressorts en epingle a cheveux sur des plaquettes, notamment pour grilles d'assemblage de combustible
US4578240A (en) * 1983-01-03 1986-03-25 Westinghouse Electric Corp. Nuclear reactor fuel assembly spacer grid
FR2564020B1 (fr) * 1984-05-10 1986-10-24 Cogema Framatome Uranium Pechi Dispositif de mise en place de ressorts en epingle a cheveux sur des plaquettes, notamment pour grilles d'assemblage de combustible
US4659541A (en) * 1985-05-01 1987-04-21 Westinghouse Electric Corp. Nuclear fuel rod support grid with improved multiple dimple arrangement
FR2594998B1 (fr) * 1986-02-24 1988-06-10 Fragema Framatome & Cogema Grille pour assemblage de combustible nucleaire, et assemblage en comportant application
FR2610445B1 (fr) * 1987-01-29 1989-06-09 Framatome Sa Ressort en epingle a cheveux pour assemblage de combustible nucleaire et grille d'assemblage comportant de tels ressorts
JPS63273090A (ja) * 1987-04-30 1988-11-10 Mitsubishi Nuclear Fuel Co Ltd 支持格子
ES2036726T3 (es) * 1988-02-22 1993-06-01 Siemens Aktiengesellschaft Elemento combustible para reactor nuclear.
JPH0797152B2 (ja) * 1988-11-16 1995-10-18 三菱原子燃料株式会社 核燃料集合体及びその組立方法
US5188798A (en) * 1988-11-16 1993-02-23 Mitsubishi Nuclear Fuel Co. Grid for nuclear fuel assembly
FR2646548B1 (fr) * 1989-04-28 1993-11-26 Framatome Grille a ressorts de maintien pour assemblage combustible nucleaire
US5069864A (en) * 1990-04-16 1991-12-03 General Electric Company Nuclear fuel assembly spacer and spring
US5078961A (en) * 1990-12-06 1992-01-07 General Electric Company Self locating springs for ferrule spacer
EP0527244B1 (de) * 1991-08-05 1995-10-18 Siemens Aktiengesellschaft Abstandhalter für Brennelemente mit gekrümmten, aufgesetzten Federn
JP3095311B2 (ja) * 1993-05-25 2000-10-03 株式会社日立製作所 燃料集合体
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
WO1998032133A1 (de) * 1997-01-15 1998-07-23 Siemens Aktiengesellschaft Abstandhalter mit befestigten federn für brennelemente von kernreaktoren
RU2290707C1 (ru) * 2005-07-08 2006-12-27 Открытое акционерное общество "ТВЭЛ" Дистанционирующая решетка
RU2331119C1 (ru) * 2006-12-22 2008-08-10 Открытое акционерное общество "ТВЭЛ" Тепловыделяющая сборка и вставной дистанционирующий элемент
KR100932436B1 (ko) * 2007-08-27 2009-12-17 한전원자력연료 주식회사 연료봉 프레팅 마모방지를 위한 카누 모양의 스프링을 가진지지격자
JP2009085871A (ja) * 2007-10-02 2009-04-23 Nuclear Fuel Ind Ltd 沸騰水型原子炉燃料集合体用スペーサ及び該スペーサを備えた燃料集合体
AR069164A1 (es) * 2008-11-03 2010-01-06 Comision Nac De En Atomica Separador elastico para elementos combustibles nucleares
US20110200160A1 (en) * 2010-02-16 2011-08-18 Westinghouse Electric Company Split spring anti-fretting fuel rod support structure
EP2525362A1 (de) * 2011-05-20 2012-11-21 Areva NP Ablagerungsfilter für eine Kernreaktorinstallation und Kernbrennstoffbündel mit solch einem Ablagerungsfilter
EP2530678A1 (de) * 2011-05-20 2012-12-05 Areva NP Bindeplatte für Kernbrennstoffbündel, obere Düse und Kernbrennstoffbündel mit einer solchen Bindeplatte
US20130272479A1 (en) * 2012-04-17 2013-10-17 Jeffrey T Lee Lower end fitting for nuclear fuel assembly made from intersecting metal strips
US10176899B2 (en) 2012-09-04 2019-01-08 Global Nuclear Fuel-Americas, Llc Spacers with deflection-limited rod contacts for nuclear fuel assemblies and methods of making the same

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380890A (en) * 1964-06-03 1968-04-30 Asea Ab Spacer for fuel assemblies
GB1129103A (en) * 1965-01-21 1968-10-02 Licentia Gmbh Spacer for fuel elements of nuclear reactors
FR91358E (fr) * 1965-06-07 1968-05-31 Gen Electric Réacteur nucléaire
FR1536257A (fr) * 1966-05-25 1968-08-16 Westinghouse Electric Corp Assemblages combustibles pour des réacteurs nucléaires
DE1564430A1 (de) * 1966-08-16 1970-02-12 Nukem Gmbh Abstandshalter fuer Brennelemente von wassergekuehlten Reaktoren
DE6803282U (de) * 1968-11-28 1969-02-27 Nukem Gmbh Abstandshalter fuer brennelemente mit einer vielzahl von brennstoffstaeben.
NL7014096A (de) * 1969-10-04 1971-04-06
GB1362546A (en) * 1970-07-24 1974-08-07 United Nuclear Corp Spacer and grid assembly for nuclear reactors
US3890196A (en) * 1971-07-07 1975-06-17 Atomic Energy Authority Uk Nuclear reactor fuel element assembly spacer grid and method of making
BE794000A (fr) * 1972-01-13 1973-07-12 British Nuclear Fuels Ltd Perfectionnements aux montages d'elements combustibles de reacteurs nucleaires
FR2235464A1 (en) * 1973-06-28 1975-01-24 Commissariat Energie Atomique Fuel element lattice restraint structure - with integral constraints to inhibit swelling of fuel element cladding
DE2631925C3 (de) * 1976-07-15 1979-04-05 Kraftwerk Union Ag, 4330 Muelheim Abstandshalter für wassergekühlte Kernreaktorbrennstäbe
DE2644297C2 (de) * 1976-09-30 1986-06-12 Kraftwerk Union AG, 4330 Mülheim Abstandshaltergitter für Brennstäbe von Kernreaktorbrennelementen
FR2397042A1 (fr) * 1977-07-07 1979-02-02 Commissariat Energie Atomique Grille d'espacement pour un faisceau de crayons combustibles dans un assemblage de reacteur nucleaire

Also Published As

Publication number Publication date
ES8301550A1 (es) 1982-12-01
FR2474229A1 (fr) 1981-07-24
EP0033263A2 (de) 1981-08-05
FR2474229B1 (fr) 1986-08-22
EP0133712B1 (de) 1987-08-26
BR8100308A (pt) 1981-08-04
EP0033263B1 (de) 1986-01-08
AT372543B (de) 1983-10-25
ES498703A0 (es) 1982-12-01
PT72368B (fr) 1982-01-05
IE51561B1 (en) 1987-01-21
US4411862A (en) 1983-10-25
PH18844A (en) 1985-10-14
GR72762B (de) 1983-12-02
IE810090L (en) 1981-07-22
PT72368A (fr) 1981-02-01
DK21181A (da) 1981-07-23
JPS56110090A (en) 1981-09-01
JPS6312552B2 (de) 1988-03-19
ZA81291B (en) 1982-02-24
EP0133712A1 (de) 1985-03-06
EP0033263A3 (en) 1981-08-19
ATA24181A (de) 1983-02-15

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation