ZA851888B - Process and apparatus for welding grids for a nuclear fuel assembly - Google Patents

Process and apparatus for welding grids for a nuclear fuel assembly

Info

Publication number
ZA851888B
ZA851888B ZA851888A ZA851888A ZA851888B ZA 851888 B ZA851888 B ZA 851888B ZA 851888 A ZA851888 A ZA 851888A ZA 851888 A ZA851888 A ZA 851888A ZA 851888 B ZA851888 B ZA 851888B
Authority
ZA
South Africa
Prior art keywords
fuel assembly
nuclear fuel
welding grids
grids
welding
Prior art date
Application number
ZA851888A
Other languages
English (en)
Inventor
Bernard Vere
Paul Mathevon
Original Assignee
Cogema
Framatome Sa
Pechiney Uranium
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=9301973&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA851888(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cogema, Framatome Sa, Pechiney Uranium filed Critical Cogema
Publication of ZA851888B publication Critical patent/ZA851888B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00—Electron-beam welding or cutting
    • B23K15/002—Devices involving relative movement between electronbeam and workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Welding Or Cutting Using Electron Beams (AREA)
ZA851888A 1984-03-13 1985-03-13 Process and apparatus for welding grids for a nuclear fuel assembly ZA851888B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8403839A FR2561151B1 (fr) 1984-03-13 1984-03-13 Procede et installation de soudage de grilles pour assemblage de combustible nucleaire

Publications (1)

Publication Number Publication Date
ZA851888B true ZA851888B (en) 1986-04-30

Family

ID=9301973

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA851888A ZA851888B (en) 1984-03-13 1985-03-13 Process and apparatus for welding grids for a nuclear fuel assembly

Country Status (9)

Country Link
US (1) US4680443A (es)
EP (1) EP0159228B1 (es)
JP (1) JP2537485B2 (es)
KR (1) KR920004842B1 (es)
DE (1) DE3561048D1 (es)
ES (1) ES8700997A1 (es)
FR (1) FR2561151B1 (es)
YU (1) YU39285A (es)
ZA (1) ZA851888B (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4825032A (en) * 1987-08-31 1989-04-25 Westinghous Electric Corp. Workpiece handling assembly
US4931615A (en) * 1988-12-02 1990-06-05 General Electric Company Apparatus for machining intricate feature cuts in thin walled tubular parts
JP2531808B2 (ja) * 1988-12-02 1996-09-04 ゼネラル・エレクトリック・カンパニイ 管理された環境中において部品集合体を自動的に溶接するための装置
FR2661772B1 (fr) * 1990-05-07 1994-01-28 Franco Belge Fabr Combustible Procede et dispositif de fabrication de grilles d'assemblages de combustible nucleaire.
US5221515A (en) * 1990-05-07 1993-06-22 Franco-Belge De Fabrication De Combustible Method for manufacturing grids for a nuclear fuel assembly
US5209899A (en) * 1990-10-25 1993-05-11 General Electric Company Composite spacer with inconel grid and zircaloy band
ES2040163B1 (es) * 1991-06-26 1994-05-01 Equipos Nucleares Sa Maquina para soldar celdas.
JPH05196787A (ja) * 1991-10-24 1993-08-06 Mitsubishi Nuclear Fuel Co Ltd 燃料集合体の組立装置
US5289513A (en) * 1992-10-29 1994-02-22 Westinghouse Electric Corp. Method of making a fuel assembly lattice member and the lattice member made by such method
JP2504444Y2 (ja) * 1993-05-20 1996-07-10 株式会社岡村製作所 ハンギングフレ―ムにおける直交する支杆の架設装置
US5656184A (en) * 1995-03-27 1997-08-12 General Electric Company Method of laser welding open receptacles
FR2736191B1 (fr) * 1995-06-29 1997-09-26 Franco Belge Combustibles Procede et installation de soudage d'une grille-entretoise d'un assemblage de combustible pour un reacteur nucleaire et dispositif de soudage par l'interieur d'une grille
FR2802330B1 (fr) * 1999-12-13 2002-03-01 Franco Belge Combustibles Dispositif et procede de montage d'une grille-entretoise d'un assemblage de combustible pour un reacteur nucleaire
US8183497B2 (en) * 2007-09-28 2012-05-22 Korea Nuclear Fuel Co., Ltd. Apparatus for and method of welding spacer grid
US8116423B2 (en) 2007-12-26 2012-02-14 Thorium Power, Inc. Nuclear reactor (alternatives), fuel assembly of seed-blanket subassemblies for nuclear reactor (alternatives), and fuel element for fuel assembly
KR101474864B1 (ko) 2007-12-26 2014-12-19 토륨 파워 인코포레이티드 원자로(대용물), 원자로(대용물)를 위한 드라이버-브리딩 모듈들로 구성된 연료 집합체 및 연료 집합체용 연료 요소
EP2372717B1 (en) 2008-12-25 2016-04-13 Thorium Power, Inc. Fuel assembly for a light-water nuclear reactor and light-water nuclear reactor
US10170207B2 (en) 2013-05-10 2019-01-01 Thorium Power, Inc. Fuel assembly
WO2011143172A1 (en) 2010-05-11 2011-11-17 Thorium Power, Inc. Fuel assembly with metal fuel alloy kernel and method of manufacturing thereof
US10192644B2 (en) 2010-05-11 2019-01-29 Lightbridge Corporation Fuel assembly
US10759007B2 (en) * 2013-03-14 2020-09-01 Bwxt Mpower, Inc. Spacer grid welding fixture
JP7071113B2 (ja) * 2017-12-25 2022-05-18 キヤノン株式会社 シート搬送装置の支持体構造

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1506321A (fr) * 1966-05-06 1967-12-22 Fives Penhoet Structure d'extrémité d'échangeur de chaleur tubulaire, échangeur de chaleur en comportant application et procédé de fabrication de ladite structure
US3617685A (en) * 1970-08-19 1971-11-02 Chromalloy American Corp Method of producing crack-free electron beam welds of jet engine components
US4054772A (en) * 1973-10-24 1977-10-18 Dresser Industries, Inc. Positioning system for rock bit welding
DE2555493A1 (de) * 1974-12-19 1976-06-24 Gen Electric Opto-elektronisches geraet zur erfassung der lage und verfahren
FR2364729A1 (fr) * 1976-09-16 1978-04-14 Commissariat Energie Atomique Pistolet de depot de pate a braser et machine en faisant application
US4111348A (en) * 1977-03-09 1978-09-05 Westinghouse Electric Corp. Grid braze application mold
US4378482A (en) * 1981-04-27 1983-03-29 Control Data Corporation Electron-beam stage X-Y positioning instrumentation
US4518843A (en) * 1982-09-01 1985-05-21 Westinghouse Electric Corp. Laser lens and light assembly

Also Published As

Publication number Publication date
KR850007027A (ko) 1985-10-30
JPS6178583A (ja) 1986-04-22
KR920004842B1 (ko) 1992-06-19
ES8700997A1 (es) 1986-12-01
ES541137A0 (es) 1986-12-01
EP0159228A1 (fr) 1985-10-23
DE3561048D1 (en) 1988-01-07
US4680443A (en) 1987-07-14
YU39285A (en) 1991-02-28
FR2561151B1 (fr) 1987-08-28
EP0159228B1 (fr) 1987-11-25
FR2561151A1 (fr) 1985-09-20
JP2537485B2 (ja) 1996-09-25

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