IT1076061B - Distanziatore a griglia,a strisce elastiche,per reattori nucleari - Google Patents

Distanziatore a griglia,a strisce elastiche,per reattori nucleari

Info

Publication number
IT1076061B
IT1076061B IT23839/77A IT2383977A IT1076061B IT 1076061 B IT1076061 B IT 1076061B IT 23839/77 A IT23839/77 A IT 23839/77A IT 2383977 A IT2383977 A IT 2383977A IT 1076061 B IT1076061 B IT 1076061B
Authority
IT
Italy
Prior art keywords
nuclear reactors
grid spacer
striped grid
elastic
elastic striped
Prior art date
Application number
IT23839/77A
Other languages
English (en)
Original Assignee
Exxon Nuclear Co Inc
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 Exxon Nuclear Co Inc filed Critical Exxon Nuclear Co Inc
Application granted granted Critical
Publication of IT1076061B publication Critical patent/IT1076061B/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
    • 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)
  • Springs (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
IT23839/77A 1976-05-21 1977-05-20 Distanziatore a griglia,a strisce elastiche,per reattori nucleari IT1076061B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/688,924 US4077843A (en) 1976-05-21 1976-05-21 Nuclear reactor spring strip grid spacer

Publications (1)

Publication Number Publication Date
IT1076061B true IT1076061B (it) 1985-04-22

Family

ID=24766356

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23839/77A IT1076061B (it) 1976-05-21 1977-05-20 Distanziatore a griglia,a strisce elastiche,per reattori nucleari

Country Status (10)

Country Link
US (1) US4077843A (it)
JP (1) JPS531788A (it)
BE (1) BE854921A (it)
CA (1) CA1088225A (it)
DE (1) DE2722014A1 (it)
ES (1) ES458998A1 (it)
FR (1) FR2352373A1 (it)
GB (1) GB1564267A (it)
IT (1) IT1076061B (it)
SE (1) SE425706B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE409258B (sv) * 1977-12-21 1979-08-06 Asea Atom Ab Spridare foer ett flertal i en kaernreaktor vertikalt anordnade braenslestavar
US4389369A (en) * 1980-08-11 1983-06-21 Westinghouse Electric Corp. Bi-metallic grid for a nuclear reactor 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
IL73802A0 (en) * 1983-12-30 1985-02-28 Westinghouse Electric Corp Coolant flow mixing grid for a nuclear reactor fuel assembly
US4839136A (en) * 1986-10-23 1989-06-13 Ab Asea-Atom Spacer for nuclear fuel rods
US4756878A (en) * 1986-12-01 1988-07-12 Advanced Nuclear Fuels Corporation Grid spacer and method of making same
SE456461B (sv) * 1987-02-06 1988-10-03 Asea Atom Ab Brenslepatron for kernreaktor
JPH0776795B2 (ja) * 1989-01-25 1995-08-16 三菱原子燃料株式会社 支持格子
US5278883A (en) * 1992-03-30 1994-01-11 Siemens Power Corporation Low pressure drop spacer for nuclear fuel assemblies
JPH0627275A (ja) * 1992-07-10 1994-02-04 Mitsubishi Nuclear Fuel Co Ltd 燃料集合体の支持格子
US5299246A (en) * 1992-09-25 1994-03-29 Combustion Engineering, Inc. Shape-memory alloys in the construction of nuclear fuel spacer grids
EP0664920B1 (de) * 1992-10-13 1997-04-02 Siemens Aktiengesellschaft Gitterförmiger Abstandhalter für ein Kernreaktorbrennelement
JP3121972B2 (ja) * 1993-12-03 2001-01-09 三菱原子燃料株式会社 核燃料集合体
JPH07159572A (ja) * 1993-12-03 1995-06-23 Mitsubishi Nuclear Fuel Co Ltd 核燃料集合体
US5434898A (en) * 1994-03-14 1995-07-18 Siemens Power Corporation Nuclear fuel assembly
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
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
US6526116B1 (en) * 1997-07-02 2003-02-25 Westinghouse Electric Company Llc Nuclear fuel assembly with hydraulically balanced mixing vanes
ES2490818T3 (es) * 2008-12-31 2014-09-04 Areva Np Filtro de residuos para su utilización en un conjunto de combustible nuclear

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350275A (en) * 1965-08-26 1967-10-31 Gen Electric Reactor fuel assembly device
BE785939A (fr) * 1971-07-07 1973-01-08 Atomic Energy Authority Uk Perfectionnements aux elements combustibles de reacteurs nucleaires
BE785940A (fr) * 1971-07-07 1973-01-08 Atomic Energy Authority Uk Perfectionnements aux elements combustibles de reacteurs nucleaires
BE785942A (fr) * 1971-07-07 1973-01-08 Atomic Energy Authority Uk Perfectionnements aux elements combustibles de reacteurs nucleaires
BE794919A (fr) * 1972-02-04 1973-08-02 Exxon Nuclear Co Inc Dispositif espaceur pour reacteur nucleaire
US3804354A (en) * 1972-03-09 1974-04-16 United Nuclear Corp Fuel rod spacer system for nuclear fuel assemblies
DE2233904A1 (de) * 1972-07-10 1974-01-31 Stichting Reactor Centrum Haltegitter fuer ein buendel zylindrischer elemente, die an einem waermeaustauschvorgang teilnehmen
US3920515A (en) * 1972-09-26 1975-11-18 Westinghouse Electric Corp Fuel assembly for a nuclear reactor
FR2235464A1 (en) * 1973-06-28 1975-01-24 Commissariat Energie Atomique Fuel element lattice restraint structure - with integral constraints to inhibit swelling of fuel element cladding

Also Published As

Publication number Publication date
US4077843A (en) 1978-03-07
JPS531788A (en) 1978-01-10
BE854921A (fr) 1977-11-23
DE2722014A1 (de) 1977-12-08
GB1564267A (en) 1980-04-02
FR2352373B1 (it) 1982-05-21
ES458998A1 (es) 1978-08-16
FR2352373A1 (fr) 1977-12-16
CA1088225A (en) 1980-10-21
SE425706B (sv) 1982-10-25
SE7705845L (sv) 1977-11-22

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