DE69115345D1 - Geänderte gekreuzte Abstandshaltevorrichtung und Aufbau - Google Patents

Geänderte gekreuzte Abstandshaltevorrichtung und Aufbau

Info

Publication number
DE69115345D1
DE69115345D1 DE69115345T DE69115345T DE69115345D1 DE 69115345 D1 DE69115345 D1 DE 69115345D1 DE 69115345 T DE69115345 T DE 69115345T DE 69115345 T DE69115345 T DE 69115345T DE 69115345 D1 DE69115345 D1 DE 69115345D1
Authority
DE
Germany
Prior art keywords
modified
construction
crossed
spacer
crossed spacer
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69115345T
Other languages
English (en)
Other versions
DE69115345T2 (de
Inventor
Eric Bertil Johansson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE69115345D1 publication Critical patent/DE69115345D1/de
Application granted granted Critical
Publication of DE69115345T2 publication Critical patent/DE69115345T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G21C3/3424—Fabrication of 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
    • G21C3/352—Spacer grids formed of assembled intersecting 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)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
DE69115345T 1990-05-11 1991-04-26 Geänderte gekreuzte Abstandshaltevorrichtung und Aufbau Expired - Fee Related DE69115345T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/522,022 US5032351A (en) 1990-05-11 1990-05-11 Modified cross point spacer apparatus and construction

Publications (2)

Publication Number Publication Date
DE69115345D1 true DE69115345D1 (de) 1996-01-25
DE69115345T2 DE69115345T2 (de) 1996-08-08

Family

ID=24079118

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69115345T Expired - Fee Related DE69115345T2 (de) 1990-05-11 1991-04-26 Geänderte gekreuzte Abstandshaltevorrichtung und Aufbau

Country Status (7)

Country Link
US (1) US5032351A (de)
EP (1) EP0456055B1 (de)
JP (1) JP2524014B2 (de)
DE (1) DE69115345T2 (de)
DK (1) DK0456055T3 (de)
ES (1) ES2081385T3 (de)
NO (1) NO911818L (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5229068A (en) * 1991-05-17 1993-07-20 General Electric Company Optimized critical power in a fuel bundle with part length rods
US5186891A (en) * 1991-05-17 1993-02-16 General Electric Company Swirl vanes in inconel spacer
US5327470A (en) * 1992-02-07 1994-07-05 General Electric Company Spacer with steam separator
US5209897A (en) * 1992-02-18 1993-05-11 General Electric Company BWR core assembly
US5371768A (en) * 1992-12-14 1994-12-06 General Electric Company Swirl type spacer for boiling water reactor fuel
WO1994020962A1 (en) * 1993-03-08 1994-09-15 Combustion Engineering, Inc. Mixing spacer grid for pwr and bwr applications
US5361288A (en) * 1993-08-16 1994-11-01 General Electric Company Spacer with integral zircaloy springs
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
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
US5572560A (en) * 1995-06-29 1996-11-05 Siemens Power Corporation BWR fuel assembly having fuel rods with variable fuel rod pitches
US5675621A (en) 1995-08-17 1997-10-07 General Electric Company Reduced height flat spring spacer for nuclear fuel rods
US5859887A (en) * 1997-06-20 1999-01-12 Westinghouse Electric Company Nuclear fuel assembly support grid
US6060016A (en) 1998-11-11 2000-05-09 Camco International, Inc. Pneumatic isostatic forging of sintered compacts
DE10250740A1 (de) * 2002-10-31 2004-04-22 Framatome Anp Gmbh Brennelement für einen Siedewasserreaktor
RU2290707C1 (ru) * 2005-07-08 2006-12-27 Открытое акционерное общество "ТВЭЛ" Дистанционирующая решетка
RU2331119C1 (ru) * 2006-12-22 2008-08-10 Открытое акционерное общество "ТВЭЛ" Тепловыделяющая сборка и вставной дистанционирующий элемент
KR100900917B1 (ko) * 2007-07-23 2009-06-03 한국원자력연구원 교차점 지지체를 이용한 이중냉각 핵연료봉의 지지격자체
JP5038050B2 (ja) * 2007-08-01 2012-10-03 白川 利久 原子炉の核燃料集合体におけるスペーサ
US20090135989A1 (en) * 2007-11-28 2009-05-28 Ge-Hitachi Nuclear Energy Americas Llc Segmented fuel rod bundle designs using fixed spacer plates
CA2710432C (en) 2007-12-26 2016-04-26 Thorium Power, Inc. Nuclear reactor, fuel assembly consisting of driver-breeding modules for a nuclear reactor and a fuel cell for a fuel assembly
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
US8483349B2 (en) * 2008-07-29 2013-07-09 Korea Atomic Energy Research Institute Spacer grid for dual-cooling nuclear fuel rods using intersectional support structures
US9355747B2 (en) 2008-12-25 2016-05-31 Thorium Power, Inc. Light-water reactor fuel assembly (alternatives), a light-water reactor, and a fuel element of fuel assembly
US10192644B2 (en) 2010-05-11 2019-01-29 Lightbridge Corporation Fuel assembly
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
EP2525364A1 (de) * 2011-05-20 2012-11-21 Areva NP Kernbrennstoffbündel mit unterschiedlichen Abständen zwischen den Brennstäben
CN102270511A (zh) * 2011-07-18 2011-12-07 中国原子能科学研究院 一种压水堆双面冷却燃料棒的管形定位格架
CN110828000B (zh) * 2019-10-18 2021-11-09 广东核电合营有限公司 防异物格栅、下管座组件及燃料组件
CN111613351B (zh) * 2020-06-04 2022-05-20 中国核动力研究设计院 一种抗应力疲劳的压水堆燃料组件单金属定位栅格

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1094851A (en) * 1964-01-16 1967-12-13 Atomic Energy Authority Uk Improvements in or relating to grids for nuclear fuel elements
US3382153A (en) * 1966-01-17 1968-05-07 Gen Electric Nuclear reactor fuel bundle
FR1539837A (fr) * 1967-07-31 1968-09-20 Alcatel S A Soc Procédé de suppression des vibrations dans les tubes et dispositif anti vibratoiremettant en oeuvre ce procédé
US3966550A (en) * 1971-03-18 1976-06-29 Atlantic Richfield Company Reactor fuel assemblies
DE2203662A1 (de) * 1972-01-27 1973-08-02 Siemens Ag Anlegeelement fuer in einem abstandshalter angeordnete brennstaebe von kernreaktoren
US4059484A (en) * 1975-05-02 1977-11-22 Exxon Nuclear Company, Inc. Hybrid nuclear fuel assembly with reduced linear heat generation rates
US4125435A (en) * 1977-02-25 1978-11-14 The Babcock & Wilcox Company Grid lattice with sliding strap
US4708845A (en) * 1985-10-18 1987-11-24 Westinghouse Electric Corp. BWR fuel assembly with improved spacer and fuel bundle design for enhanced thermal-hydraulic performance
FR2616577B1 (fr) * 1987-06-09 1991-02-15 Framatome Sa Grille-entretoise pour un assemblage combustible d'un reacteur nucleaire a eau legere
EP0308701B1 (de) * 1987-09-24 1992-11-25 General Electric Company Abstandsgitter mit integrierten Verwirbelungsleitblechen

Also Published As

Publication number Publication date
DK0456055T3 (da) 1996-01-29
JP2524014B2 (ja) 1996-08-14
JPH04231895A (ja) 1992-08-20
NO911818D0 (no) 1991-05-10
NO911818L (no) 1991-11-12
ES2081385T3 (es) 1996-03-01
EP0456055A1 (de) 1991-11-13
DE69115345T2 (de) 1996-08-08
EP0456055B1 (de) 1995-12-13
US5032351A (en) 1991-07-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee