ZA805497B - Space-grate for fuel assembly of nuclear reactors - Google Patents

Space-grate for fuel assembly of nuclear reactors

Info

Publication number
ZA805497B
ZA805497B ZA00805497A ZA805497A ZA805497B ZA 805497 B ZA805497 B ZA 805497B ZA 00805497 A ZA00805497 A ZA 00805497A ZA 805497 A ZA805497 A ZA 805497A ZA 805497 B ZA805497 B ZA 805497B
Authority
ZA
South Africa
Prior art keywords
grate
space
fuel assembly
nuclear reactors
reactors
Prior art date
Application number
ZA00805497A
Other languages
English (en)
Original Assignee
Commissariat Energie Atomique
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
Application filed by Commissariat Energie Atomique filed Critical Commissariat Energie Atomique
Publication of ZA805497B publication Critical patent/ZA805497B/xx

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
    • 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)
ZA00805497A 1979-09-07 1980-09-05 Space-grate for fuel assembly of nuclear reactors ZA805497B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7922437A FR2465297A1 (fr) 1979-09-07 1979-09-07 Grille d'espacement pour elements combustibles de reacteurs nucleaires

Publications (1)

Publication Number Publication Date
ZA805497B true ZA805497B (en) 1981-08-26

Family

ID=9229462

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00805497A ZA805497B (en) 1979-09-07 1980-09-05 Space-grate for fuel assembly of nuclear reactors

Country Status (8)

Country Link
US (1) US4396573A (xx)
EP (1) EP0025395B1 (xx)
JP (1) JPS5646490A (xx)
CA (1) CA1157581A (xx)
DE (1) DE3068800D1 (xx)
ES (1) ES8207645A1 (xx)
FR (1) FR2465297A1 (xx)
ZA (1) ZA805497B (xx)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE3367026D1 (en) * 1983-05-13 1986-11-20 Westinghouse Electric Corp Tube support grid
US4818479A (en) * 1985-10-04 1989-04-04 The United States Of America As Represented By The United States Department Of Energy Nuclear reactor spacer grid and ductless core component
US4803043A (en) * 1987-05-22 1989-02-07 Westinghouse Electric Corp. Nuclear fuel rod grid spring and dimple structures
EP0291736B1 (en) * 1987-05-22 1993-06-23 Westinghouse Electric Corporation Nuclear-fuel-rod supporting grid
SE468110B (sv) * 1991-03-13 1992-11-02 Asea Atom Ab Spridare foer sammanhaallande av braenslestavar i en kaernreaktors braenslepatron
EP0527244B1 (de) * 1991-08-05 1995-10-18 Siemens Aktiengesellschaft Abstandhalter für Brennelemente mit gekrümmten, aufgesetzten Federn
US5307393A (en) * 1992-06-29 1994-04-26 Combustion Engineering, Inc. Split vane alternating swirl mixing grid
JPH0627275A (ja) * 1992-07-10 1994-02-04 Mitsubishi Nuclear Fuel Co Ltd 燃料集合体の支持格子
SE510816C2 (sv) * 1993-11-02 1999-06-28 Asea Atom Ab Spridare och bränslepatron för en kärnreaktor
US5444748A (en) * 1994-04-04 1995-08-22 Westinghouse Electric Corporation Grid structure for supporting fuel rods in a nuclear reactor
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
TW358211B (en) * 1994-09-09 1999-05-11 Siemens Ag Spacing holder for the fuel element of a nuclear reactor
US5519747A (en) * 1994-10-04 1996-05-21 General Electric Company Apparatus and methods for fabricating spacers for a nuclear fuel rod bundle
ES2108615B1 (es) * 1994-10-31 1998-08-01 Asea Atom Ab Conjunto de combustible y separador para reactor nuclear
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
US5675621A (en) * 1995-08-17 1997-10-07 General Electric Company Reduced height flat spring spacer for nuclear fuel rods
FR2766003B1 (fr) * 1997-07-11 1999-12-03 Framatome Sa Grille pour assemblage combustible nucleaire et plaquette pour une telle grille
KR100318233B1 (ko) * 1997-12-22 2002-03-20 장인순 프레팅마모억제를위한h형스프링이부착된지지격자체
US6310932B1 (en) * 2000-10-23 2001-10-30 Westinghouse Electric Company Llc Fretting resistant spring design
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
KR100600983B1 (ko) * 2003-10-07 2006-07-13 한국원자력연구소 경수로 원자로용 핵연료집합체의 지지격자체
KR100932436B1 (ko) * 2007-08-27 2009-12-17 한전원자력연료 주식회사 연료봉 프레팅 마모방지를 위한 카누 모양의 스프링을 가진지지격자
US20110200160A1 (en) * 2010-02-16 2011-08-18 Westinghouse Electric Company Split spring anti-fretting fuel rod support structure
EP2525366A1 (en) * 2011-05-20 2012-11-21 Areva NP Strip for a nuclear fuel assembly spacer grid
US9620250B2 (en) * 2012-02-02 2017-04-11 Bwxt Nuclear Energy, Inc. Spacer grid
US9881701B2 (en) * 2012-04-17 2018-01-30 Bwxt Mpower, Inc. Spacer grids with springs having improved robustness
CN111524616B (zh) * 2020-05-14 2023-09-01 吉林农业大学 一种基于增材制造工艺的整体式定位格架

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1439362A1 (de) * 1964-04-09 1969-04-10 Siemens Ag Abstandshalter fuer Brennelemente
FR1495658A (fr) * 1965-09-21 1967-09-22 Combustion Eng Perfectionnement aux dispositifs pour supporter les éléments de combustible d'un réacteur nucléaire
FR1534275A (fr) * 1966-08-15 1968-07-26 Atomenergi Ab Dispositif d'espacement pour les barres combustibles d'un élément combustible de réacteur nucléaire
SE321998B (xx) * 1966-08-15 1970-03-23 Atomenergi Ab
US3844887A (en) * 1968-09-12 1974-10-29 Westinghouse Electric Corp Nuclear reactor fuel assembly
US3746619A (en) * 1970-06-01 1973-07-17 Continental Oil Co Nuclear reactor fuel element spacer assembly
BE785939A (fr) * 1971-07-07 1973-01-08 Atomic Energy Authority Uk Perfectionnements aux elements combustibles de reacteurs nucleaires
US3920515A (en) * 1972-09-26 1975-11-18 Westinghouse Electric Corp Fuel assembly for a nuclear reactor
FR2337407A1 (fr) * 1975-12-31 1977-07-29 Commissariat Energie Atomique Assemblage combustible pour reacteur nucleaire
US4224107A (en) * 1978-05-09 1980-09-23 Commissariat A L'energie Atomique Spacer grids for a nuclear reactor fuel assembly

Also Published As

Publication number Publication date
FR2465297B1 (xx) 1982-05-14
JPS6331066B2 (xx) 1988-06-22
ES494798A0 (es) 1982-09-16
EP0025395A1 (fr) 1981-03-18
US4396573A (en) 1983-08-02
FR2465297A1 (fr) 1981-03-20
JPS5646490A (en) 1981-04-27
DE3068800D1 (en) 1984-09-06
EP0025395B1 (fr) 1984-08-01
CA1157581A (en) 1983-11-22
ES8207645A1 (es) 1982-09-16

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