DE3772362D1 - Abstandshalter und sein herstellungsverfahren. - Google Patents

Abstandshalter und sein herstellungsverfahren.

Info

Publication number
DE3772362D1
DE3772362D1 DE8787117113T DE3772362T DE3772362D1 DE 3772362 D1 DE3772362 D1 DE 3772362D1 DE 8787117113 T DE8787117113 T DE 8787117113T DE 3772362 T DE3772362 T DE 3772362T DE 3772362 D1 DE3772362 D1 DE 3772362D1
Authority
DE
Germany
Prior art keywords
spacers
manufacturing
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
DE8787117113T
Other languages
English (en)
Inventor
Peter King
John F Patterson
Jack Yates
Charles Brown
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of DE3772362D1 publication Critical patent/DE3772362D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C3/00Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/02Fuel elements
    • G21C3/04Constructional details
    • G21C3/16Details of the construction within the casing
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C3/00Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/34Spacer grids
    • G21C3/356Spacer grids being provided with fuel element supporting members
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/53Means to assemble or disassemble
    • Y10T29/531Nuclear device

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Welding Or Cutting Using Electron Beams (AREA)
  • Structure Of Emergency Protection For Nuclear Reactors (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Seasonings (AREA)
DE8787117113T 1986-12-01 1987-11-19 Abstandshalter und sein herstellungsverfahren. Expired - Fee Related DE3772362D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/936,448 US4756878A (en) 1986-12-01 1986-12-01 Grid spacer and method of making same

Publications (1)

Publication Number Publication Date
DE3772362D1 true DE3772362D1 (de) 1991-09-26

Family

ID=25468650

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787117113T Expired - Fee Related DE3772362D1 (de) 1986-12-01 1987-11-19 Abstandshalter und sein herstellungsverfahren.

Country Status (6)

Country Link
US (1) US4756878A (de)
EP (1) EP0273183B1 (de)
JP (1) JP2547186B2 (de)
KR (1) KR960010701B1 (de)
DE (1) DE3772362D1 (de)
ES (1) ES2026171T3 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4849161A (en) * 1987-02-19 1989-07-18 Advanced Nuclear Fuels Corp. Debris-resistant fuel assembly
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
US5024426A (en) * 1989-03-17 1991-06-18 Advanced Nuclear Fuels Corporation Bimetallic spring member for radiation environment
US5071617A (en) * 1989-12-11 1991-12-10 Combustion Engineering, Inc. Reduced flow resistance cast lower end fitting
DE4020700A1 (de) * 1990-06-29 1992-01-09 Kern & Liebers Verfahren und vorrichtung zur kantenverrundung von federn
US5278883A (en) * 1992-03-30 1994-01-11 Siemens Power Corporation Low pressure drop spacer for nuclear fuel assemblies
US5477023A (en) * 1993-04-23 1995-12-19 Westinghouse Electric Corporation Laser engraving system and method for engraving an image on a workpiece
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
US5625657A (en) * 1995-03-31 1997-04-29 Siemens Power Corporation Method of repairing a nuclear fuel rod assembly with damaged fuel rod and a damaged spacer
US5675621A (en) 1995-08-17 1997-10-07 General Electric Company Reduced height flat spring spacer for nuclear fuel rods
FR2766004B1 (fr) * 1997-07-11 1999-12-03 Framatome Sa Plaquettes de grille pour assemblage combustible nucleaire et grille comportant de telles plaquettes
FR2766003B1 (fr) * 1997-07-11 1999-12-03 Framatome Sa Grille pour assemblage combustible nucleaire et plaquette pour une telle grille
JPH11118971A (ja) * 1997-10-09 1999-04-30 Mitsubishi Heavy Ind Ltd 原子炉燃料集合体のグリッド組立体及びその製造方法
KR100265027B1 (ko) * 1997-12-12 2000-09-01 장인순 원자로의핵연료집합체이중판노즐형냉각재혼합지지격자
SE516128C2 (sv) * 1999-07-07 2001-11-19 Westinghouse Atom Ab Spridare och bränslepatron för en nukleär anläggning
KR100330358B1 (ko) * 1999-07-29 2002-04-01 장인순 냉각수 혼합을 위한 딤플형 베인과 다중스프링이 부착된 지지격자체
US6519309B1 (en) 2000-06-29 2003-02-11 Framatone Anp Inc. Pressurized water reactor fuel assembly spacer grid
EP1354323B1 (de) * 2001-01-26 2004-12-22 Framatome ANP GmbH Abstandhalter mit mitteln zur vermeidung von reibungsschäden an brennstäben und entsprechendes kernreaktor-brennelement
KR100415149B1 (ko) 2001-03-21 2004-01-14 한국전력공사 핵연료 집합체의 이중판 냉각재 혼합 지지격자체
US20050003873A1 (en) * 2003-07-01 2005-01-06 Netro Corporation Directional indicator for antennas
US8374308B2 (en) * 2005-01-11 2013-02-12 Westinghouse Electric Company Llc Helically fluted tubular fuel rod support
US20100322371A1 (en) * 2005-01-11 2010-12-23 Westinghouse Electric Company Llc Optimized flower tubes and optimized advanced grid configurations
US9053827B2 (en) * 2009-03-27 2015-06-09 Westinghouse Electric Company Llc Nuclear fuel assembly with pivot dimpled grids
US8358733B2 (en) * 2009-08-10 2013-01-22 Westinghouse Electric Company Llc Helically fluted tubular fuel rod support

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1075522A (en) * 1963-02-22 1967-07-12 Soc Anglo Belge Vulcain Sa Nuclear fuel assembly
US3338791A (en) * 1965-06-07 1967-08-29 Gen Electric Reactor device
GB1132092A (en) * 1965-09-09 1968-10-30 Atomic Energy Authority Uk Heat exchange elements
US4077843A (en) * 1976-05-21 1978-03-07 Exxon Nuclear Company, Inc. Nuclear reactor spring strip grid spacer
US4081324A (en) * 1976-06-17 1978-03-28 Exxon Nuclear Company Inc. Spacer capture rod to spacer grid attachment device
US4492844A (en) * 1982-09-01 1985-01-08 Westinghouse Electric Corp. Welding plates for a fuel rod grid
US4541055A (en) * 1982-09-01 1985-09-10 Westinghouse Electric Corp. Laser machining system
JPS6057035A (ja) * 1983-09-08 1985-04-02 Takara Co Ltd 動力伝達装置
JPS60222792A (ja) * 1984-04-20 1985-11-07 株式会社日立製作所 原子炉用燃料集合体
US4726926A (en) 1986-03-12 1988-02-23 Advanced Nuclear Fuels Corporation Mixing grid

Also Published As

Publication number Publication date
ES2026171T3 (es) 1992-04-16
JP2547186B2 (ja) 1996-10-23
KR880008344A (ko) 1988-08-30
US4756878A (en) 1988-07-12
KR960010701B1 (ko) 1996-08-07
EP0273183A3 (en) 1988-07-20
JPS63144292A (ja) 1988-06-16
EP0273183B1 (de) 1991-08-21
EP0273183A2 (de) 1988-07-06

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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