IT1085037B - Procedimento di saldatura di celle d'angole nelle griglie di complessi di combustibile - Google Patents

Procedimento di saldatura di celle d'angole nelle griglie di complessi di combustibile

Info

Publication number
IT1085037B
IT1085037B IT27442/77A IT2744277A IT1085037B IT 1085037 B IT1085037 B IT 1085037B IT 27442/77 A IT27442/77 A IT 27442/77A IT 2744277 A IT2744277 A IT 2744277A IT 1085037 B IT1085037 B IT 1085037B
Authority
IT
Italy
Prior art keywords
grids
complexes
fuel
welding procedure
corner cells
Prior art date
Application number
IT27442/77A
Other languages
English (en)
Italian (it)
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of IT1085037B publication Critical patent/IT1085037B/it

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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
    • B23K11/008—Manufacturing of metallic grids or mats by spot welding
    • 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
    • Y02E30/10—Nuclear fusion reactors
    • 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)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Structure Of Emergency Protection For Nuclear Reactors (AREA)
IT27442/77A 1976-09-15 1977-09-12 Procedimento di saldatura di celle d'angole nelle griglie di complessi di combustibile IT1085037B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/723,271 US4101752A (en) 1976-09-15 1976-09-15 Process for welding corner cells in fuel assembly grids

Publications (1)

Publication Number Publication Date
IT1085037B true IT1085037B (it) 1985-05-28

Family

ID=24905561

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27442/77A IT1085037B (it) 1976-09-15 1977-09-12 Procedimento di saldatura di celle d'angole nelle griglie di complessi di combustibile

Country Status (12)

Country Link
US (1) US4101752A (enExample)
JP (1) JPS5335643A (enExample)
AU (1) AU505208B2 (enExample)
BE (1) BE858747A (enExample)
CH (1) CH622455A5 (enExample)
DE (1) DE2736139C2 (enExample)
ES (1) ES462334A1 (enExample)
FR (1) FR2364735A1 (enExample)
GB (1) GB1557929A (enExample)
IT (1) IT1085037B (enExample)
SE (1) SE422754B (enExample)
YU (1) YU43747B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4539738A (en) * 1982-09-01 1985-09-10 Westinghouse Electric Corp. Strap and vane positioning fixture for fuel rod grid and method
US4522330A (en) * 1982-09-01 1985-06-11 Westinghouse Electric Corp. Grid and sleeves welding fixture and method
FR2533352B1 (fr) * 1982-09-16 1988-08-12 Fragema Framatome & Cogema Procede et dispositif d'assemblage de plaquettes de grilles
US4556776A (en) * 1983-07-26 1985-12-03 Westinghouse Electric Corp. Welding fixture for nuclear reactor fuel assembly grid
EP1516693B1 (de) * 2003-09-19 2012-11-07 Trumpf Laser- und Systemtechnik GmbH Laserbearbeitungsmaschine zum Erzeugen linearer Schweissnähte und Verfahren zum Erzeugen linearer Schweissnähte an einem Werkstück
US10759007B2 (en) 2013-03-14 2020-09-01 Bwxt Mpower, Inc. Spacer grid welding fixture
CN111347137A (zh) * 2018-12-20 2020-06-30 中核建中核燃料元件有限公司 一种用于燃料盒定位销钉环缝tig全自动焊接的焊接夹具

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1894454A (en) * 1930-09-11 1933-01-17 Edward G Todt Welding clamp
US2404857A (en) * 1942-11-24 1946-07-30 Helen Mclaren Fastener for positioning, aligning, and securing plates for welding
US3068351A (en) * 1959-03-27 1962-12-11 American Mach & Foundry Welding machine
US3054887A (en) * 1960-08-08 1962-09-18 Western Electric Co Welding fixture
US3789184A (en) * 1969-12-23 1974-01-29 Reactor Centrum Nederland Air-excluding spot-welding method for making heat-exchange grid
US3736227A (en) * 1970-06-01 1973-05-29 Continental Oil Co Nuclear reactor fuel element spacer assembly lock
GB1362546A (en) * 1970-07-24 1974-08-07 United Nuclear Corp Spacer and grid assembly for nuclear reactors
CA941524A (en) * 1971-03-18 1974-02-05 Karl H. Puechl Spacer grid for nuclear reactor fuel assembly
US4039379A (en) * 1975-02-28 1977-08-02 Exxon Nuclear Company, Inc. Mixing vane grid spacer

Also Published As

Publication number Publication date
CH622455A5 (enExample) 1981-04-15
JPS5335643A (en) 1978-04-03
ES462334A1 (es) 1978-08-16
AU505208B2 (en) 1979-11-15
SE7710306L (sv) 1978-03-16
JPS5440452B2 (enExample) 1979-12-04
AU2770777A (en) 1979-02-15
US4101752A (en) 1978-07-18
BE858747A (fr) 1978-03-15
YU196977A (en) 1982-08-31
DE2736139A1 (de) 1978-03-16
DE2736139C2 (de) 1986-06-19
FR2364735B1 (enExample) 1980-04-25
FR2364735A1 (fr) 1978-04-14
GB1557929A (en) 1979-12-19
YU43747B (en) 1989-12-31
SE422754B (sv) 1982-03-29

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