IT8322200A0 - Griglia distanziatrice per combustibile nucleare. - Google Patents

Griglia distanziatrice per combustibile nucleare.

Info

Publication number
IT8322200A0
IT8322200A0 IT8322200A IT2220083A IT8322200A0 IT 8322200 A0 IT8322200 A0 IT 8322200A0 IT 8322200 A IT8322200 A IT 8322200A IT 2220083 A IT2220083 A IT 2220083A IT 8322200 A0 IT8322200 A0 IT 8322200A0
Authority
IT
Italy
Prior art keywords
nuclear fuel
grille
spacing
spacing grille
nuclear
Prior art date
Application number
IT8322200A
Other languages
English (en)
Other versions
IT1170176B (it
IT8322200A1 (it
Inventor
Jeremy M Hellmann
Edmund E De Mario
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 IT8322200A0 publication Critical patent/IT8322200A0/it
Publication of IT8322200A1 publication Critical patent/IT8322200A1/it
Application granted granted Critical
Publication of IT1170176B publication Critical patent/IT1170176B/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
    • G21C3/34—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
    • G21C3/356—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)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Fuel Cell (AREA)
  • Hybrid Cells (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Prostheses (AREA)
  • Springs (AREA)
IT22200/83A 1982-08-05 1983-07-22 Griglia distanziatrice per combustibile nucleare IT1170176B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/405,482 US4474730A (en) 1982-08-05 1982-08-05 Nuclear fuel spacer grid

Publications (3)

Publication Number Publication Date
IT8322200A0 true IT8322200A0 (it) 1983-07-22
IT8322200A1 IT8322200A1 (it) 1985-01-22
IT1170176B IT1170176B (it) 1987-06-03

Family

ID=23603881

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22200/83A IT1170176B (it) 1982-08-05 1983-07-22 Griglia distanziatrice per combustibile nucleare

Country Status (11)

Country Link
US (1) US4474730A (it)
EP (1) EP0101241B1 (it)
JP (1) JPS5963588A (it)
KR (1) KR910004190B1 (it)
BE (1) BE897480A (it)
DE (1) DE3370224D1 (it)
ES (1) ES524693A0 (it)
FR (1) FR2531562A1 (it)
IT (1) IT1170176B (it)
PH (1) PH20824A (it)
ZA (1) ZA835075B (it)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897241A (en) * 1981-11-30 1990-01-30 Combustion Engineering, Inc. Anti-bow grid for nuclear fuel assembly
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
US4692302A (en) * 1983-12-30 1987-09-08 Westinghouse Electric Corp. Coolant flow mixer grid for a nuclear reactor fuel assembly
JPS60203892A (ja) * 1984-03-28 1985-10-15 原子燃料工業株式会社 加圧水型原子炉用の核燃料集合体
US4659542A (en) * 1984-10-03 1987-04-21 Westinghouse Electric Corp. Grid structure for nuclear fuel assembly
US4659541A (en) * 1985-05-01 1987-04-21 Westinghouse Electric Corp. Nuclear fuel rod support grid with improved multiple dimple arrangement
US4678632A (en) * 1985-06-05 1987-07-07 Westinghouse Electric Corp. Nuclear fuel assembly grid with predetermined grain orientation
US4652421A (en) * 1985-09-05 1987-03-24 Westinghouse Electric Corp. Outer grid strap protruding spring repair apparatus
US4744942A (en) * 1986-06-11 1988-05-17 Westinghouse Electric Corp. Nuclear reactor spacer grid loading
US4923669A (en) * 1989-02-21 1990-05-08 Westinghouse Electric Corp. Nuclear fuel rod grid spring and dimple structures having chamfered edges for reduced pressure drop
US5271054A (en) * 1991-09-25 1993-12-14 Combustion Engineering, Inc. Perimeter grid strip
FR2697368B1 (fr) * 1992-10-28 1995-01-13 Framatome Sa Grille-entretoise d'un assemblage combustible d'un réacteur nucléaire refroidi par de l'eau légère.
US5339341A (en) * 1993-09-17 1994-08-16 B&W Fuel Company Mid span mixer grid
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
US5519747A (en) * 1994-10-04 1996-05-21 General Electric Company Apparatus and methods for fabricating spacers for a nuclear fuel rod bundle
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
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
US5675621A (en) * 1995-08-17 1997-10-07 General Electric Company Reduced height flat spring spacer for nuclear fuel rods
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
US6819733B2 (en) 2002-05-15 2004-11-16 Westinghouse Electric Company Llc Fuel assembly and associated grid for nuclear reactor
US7623612B2 (en) * 2006-03-27 2009-11-24 Westinghouse Electric Co. Llc Bi-alloy spacer grid and associated methods
US9378852B2 (en) * 2012-04-17 2016-06-28 Bwxt Mpower, Inc. Spacer grids for nuclear reactor
US10818402B2 (en) * 2017-03-31 2020-10-27 Westinghouse Electric Company Llc Spacer grid using tubular cells with mixing vanes

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US27173A (en) * 1860-02-14 Mode of cutting boot-vamps
BE625489A (it) * 1961-12-01
US3338791A (en) * 1965-06-07 1967-08-29 Gen Electric Reactor device
US3350275A (en) * 1965-08-26 1967-10-31 Gen Electric Reactor fuel assembly device
US3654077A (en) * 1967-06-26 1972-04-04 Gen Electric Nuclear reactor fuel element spacer
FR1571496A (it) * 1968-05-06 1969-06-20
US3665586A (en) * 1968-11-07 1972-05-30 Babcock & Wilcox Co Nuclear fuel rod supporting arrangements
US3686071A (en) * 1969-08-19 1972-08-22 Combustion Eng Bimetallic spacer grid
GB1301584A (it) * 1970-04-08 1972-12-29
US3746618A (en) * 1970-06-01 1973-07-17 Continental Oil Co Nuclear reactor fuel element spacer assembly
US3795040A (en) * 1971-10-28 1974-03-05 Babcock & Wilcox Co Method of inserting fuel rods into individual cells in a fuel element grid
DE2233904A1 (de) * 1972-07-10 1974-01-31 Stichting Reactor Centrum Haltegitter fuer ein buendel zylindrischer elemente, die an einem waermeaustauschvorgang teilnehmen
JPS5731241B2 (it) * 1974-07-26 1982-07-03
JPS51151492A (en) * 1975-06-20 1976-12-25 Nuclear Fuel Ind Ltd Spacer grid for nuclear fuel assemblies
US4059483A (en) * 1975-12-05 1977-11-22 Combustion Engineering, Inc. Nuclear fuel assembly seismic amplitude limiter
US4137125A (en) * 1976-11-12 1979-01-30 Westinghouse Electric Corp. Method of welding nuclear reactor fuel assemblies
US4175003A (en) * 1976-12-23 1979-11-20 Westinghouse Electric Corp. Grid for nuclear reactor fuel assemblies
US4268356A (en) * 1978-07-14 1981-05-19 Westinghouse Electric Corp. Nuclear reactor fuel assembly grid
FR2465296A1 (fr) * 1979-09-06 1981-03-20 Commissariat Energie Atomique Dispositif de fixation d'un ressort sur une grille d'espacement d'elements combustibles de reacteurs nucleaires
US4389369A (en) * 1980-08-11 1983-06-21 Westinghouse Electric Corp. Bi-metallic grid for a nuclear reactor fuel assembly

Also Published As

Publication number Publication date
DE3370224D1 (en) 1987-04-16
ZA835075B (en) 1984-03-28
KR840005890A (ko) 1984-11-19
BE897480A (fr) 1984-02-06
IT1170176B (it) 1987-06-03
US4474730A (en) 1984-10-02
ES8600549A1 (es) 1985-10-01
IT8322200A1 (it) 1985-01-22
JPS5963588A (ja) 1984-04-11
KR910004190B1 (ko) 1991-06-24
FR2531562A1 (fr) 1984-02-10
ES524693A0 (es) 1985-10-01
EP0101241B1 (en) 1987-03-11
EP0101241A2 (en) 1984-02-22
EP0101241A3 (en) 1984-05-30
PH20824A (en) 1987-04-24
FR2531562B1 (it) 1985-04-19
JPH0151950B2 (it) 1989-11-07

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