IT8722302A0 - Elemento di fissaggio con scarico delle sollecitazioni in un complesso di combustibile nucleare. - Google Patents

Elemento di fissaggio con scarico delle sollecitazioni in un complesso di combustibile nucleare.

Info

Publication number
IT8722302A0
IT8722302A0 IT8722302A IT2230287A IT8722302A0 IT 8722302 A0 IT8722302 A0 IT 8722302A0 IT 8722302 A IT8722302 A IT 8722302A IT 2230287 A IT2230287 A IT 2230287A IT 8722302 A0 IT8722302 A0 IT 8722302A0
Authority
IT
Italy
Prior art keywords
stress
nuclear fuel
fuel complex
relief fastener
relief
Prior art date
Application number
IT8722302A
Other languages
English (en)
Other versions
IT1222927B (it
Inventor
Chun Kee Lui
Leonard Thomas Gesinski
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
Publication of IT8722302A0 publication Critical patent/IT8722302A0/it
Application granted granted Critical
Publication of IT1222927B publication Critical patent/IT1222927B/it

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
    • G21C3/324—Coats or envelopes for the bundles
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/21—Utilizing thermal characteristic, e.g., expansion or contraction, etc.
    • Y10T403/217—Members having different coefficients of expansion
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/49—Member deformed in situ
    • Y10T403/4941—Deformation occurs simultaneously with action of separate, diverse function, joint component

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Connection Of Plates (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Catalysts (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
IT22302/87A 1986-10-31 1987-10-16 Elemento di fissaggio con scarico delle sollecitazioni in un complesso di combustibile nucleare IT1222927B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/925,766 US4764340A (en) 1986-10-31 1986-10-31 Fuel assembly stress relieving fastener

Publications (2)

Publication Number Publication Date
IT8722302A0 true IT8722302A0 (it) 1987-10-16
IT1222927B IT1222927B (it) 1990-09-12

Family

ID=25452203

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22302/87A IT1222927B (it) 1986-10-31 1987-10-16 Elemento di fissaggio con scarico delle sollecitazioni in un complesso di combustibile nucleare

Country Status (5)

Country Link
US (1) US4764340A (it)
JP (1) JPS63121787A (it)
ES (1) ES2010522A6 (it)
IT (1) IT1222927B (it)
SE (1) SE461246B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2057052T3 (es) * 1989-10-16 1994-10-16 Siemens Ag Elemento de combustion de reactor nuclear.
US5222954A (en) * 1991-06-21 1993-06-29 Artifex, Ltd. Spinal implant system and method for installing the implant
US5282862A (en) * 1991-12-03 1994-02-01 Artifex Ltd. Spinal implant system and a method for installing the implant onto a vertebral column
DE4300465A1 (de) * 1993-01-11 1994-07-14 Nass Magnet Gmbh Befestigungssystem
US5319691A (en) * 1993-07-12 1994-06-07 General Electric Company Self locking nut for fuel assembly tie rods
DE4435897C1 (de) * 1994-10-07 1996-01-11 Voith Sulzer Papiermasch Gmbh Supportverbindungen
US7463711B1 (en) * 2004-05-25 2008-12-09 Areva Np Inc. Fuel channel fastener
US7702060B2 (en) * 2006-10-20 2010-04-20 Global Nuclear Fuel - Americas, L.L.C. Expanded nuclear fuel channel
US8585000B2 (en) 2008-05-22 2013-11-19 Mainstream Energy Corporation Universal end clamp
EP2336548B1 (en) * 2009-12-17 2012-07-25 Delphi Technologies Holding S.à.r.l. Fastening member
US9053826B2 (en) * 2010-03-03 2015-06-09 Westinghouse Electric Company Llc Protective grid attachment

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US269412A (en) * 1882-12-19 hb aton
US1156798A (en) * 1913-06-09 1915-10-12 John W Meaker Nut.
US1635082A (en) * 1921-06-15 1927-07-05 Skf Svenska Kullagerfab Ab Self-locking nut
US1966044A (en) * 1933-06-17 1934-07-10 Charles E S Place Cap screw or bolt
US2375325A (en) * 1942-02-13 1945-05-08 Oliver Edwin Simmonds Self-locking nut
US3053300A (en) * 1957-06-26 1962-09-11 Quinto Mario Fastening means having undulating substructure-engaging surface
US3366546A (en) * 1965-12-02 1968-01-30 Combustion Eng Nuclear reactor
US3715274A (en) * 1969-08-15 1973-02-06 Gen Electric Nuclear fuel assembly with reinforced flow channel
US3953287A (en) * 1973-08-06 1976-04-27 Exxon Nuclear Company, Inc. Assembly mechanism for nuclear fuel bundles
US4019550A (en) * 1975-06-09 1977-04-26 Abbott Screw & Mfg. Co. Sealing nut with nylon insert
US4189348A (en) * 1976-07-26 1980-02-19 General Atomic Company Fuel rod assembly to manifold attachment
US4269248A (en) * 1979-04-20 1981-05-26 Maclean-Fogg Company Fastener with flexible flange
EP0041014B1 (fr) * 1980-05-27 1985-02-20 COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel Dispositif de fixation d'un tube de guidage d'un assemblage combustible nucléaire aux plaques d'extrémités dudit assemblage
SE424929B (sv) * 1980-12-19 1982-08-16 Asea Atom Ab Brenslepatron avsedd for en kokvattenreaktor
US4452755A (en) * 1982-01-29 1984-06-05 The United States Of America As Represented By The United States Department Of Energy Fuel rod retention device for a nuclear reactor

Also Published As

Publication number Publication date
JPS63121787A (ja) 1988-05-25
SE461246B (sv) 1990-01-22
SE8704225L (sv) 1988-05-01
IT1222927B (it) 1990-09-12
US4764340A (en) 1988-08-16
ES2010522A6 (es) 1989-11-16
SE8704225D0 (sv) 1987-10-29

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931027