ATE112087T1 - Kernbrennstab-abstandshalter. - Google Patents

Kernbrennstab-abstandshalter.

Info

Publication number
ATE112087T1
ATE112087T1 AT90102399T AT90102399T ATE112087T1 AT E112087 T1 ATE112087 T1 AT E112087T1 AT 90102399 T AT90102399 T AT 90102399T AT 90102399 T AT90102399 T AT 90102399T AT E112087 T1 ATE112087 T1 AT E112087T1
Authority
AT
Austria
Prior art keywords
dimple
structures
nuclear fuel
middle portion
fuel
Prior art date
Application number
AT90102399T
Other languages
English (en)
Inventor
Edmund Emroy Demario
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
Application granted granted Critical
Publication of ATE112087T1 publication Critical patent/ATE112087T1/de

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
    • 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
    • G21C3/33—Supporting or hanging of elements in the bundle; Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Fuel Cell (AREA)
  • Springs (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Baking, Grill, Roasting (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
AT90102399T 1989-02-21 1990-02-07 Kernbrennstab-abstandshalter. ATE112087T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/312,288 US4923669A (en) 1989-02-21 1989-02-21 Nuclear fuel rod grid spring and dimple structures having chamfered edges for reduced pressure drop

Publications (1)

Publication Number Publication Date
ATE112087T1 true ATE112087T1 (de) 1994-10-15

Family

ID=23210763

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90102399T ATE112087T1 (de) 1989-02-21 1990-02-07 Kernbrennstab-abstandshalter.

Country Status (7)

Country Link
US (1) US4923669A (de)
EP (1) EP0384220B1 (de)
JP (1) JP2823054B2 (de)
KR (1) KR0175928B1 (de)
AT (1) ATE112087T1 (de)
DE (1) DE69012606T2 (de)
ES (1) ES2058624T3 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5289513A (en) * 1992-10-29 1994-02-22 Westinghouse Electric Corp. Method of making a fuel assembly lattice member and the lattice member made by such method
JPH07159572A (ja) * 1993-12-03 1995-06-23 Mitsubishi Nuclear Fuel Co Ltd 核燃料集合体
US5444748A (en) * 1994-04-04 1995-08-22 Westinghouse Electric Corporation Grid structure for supporting fuel rods in a nuclear reactor
US6144716A (en) * 1997-07-02 2000-11-07 Westinghouse Electric Corp. Nuclear fuel assembly grid with diagonal fuel retaining springs
FR2766004B1 (fr) * 1997-07-11 1999-12-03 Framatome Sa Plaquettes de grille pour assemblage combustible nucleaire et grille comportant de telles plaquettes
KR100318233B1 (ko) * 1997-12-22 2002-03-20 장인순 프레팅마모억제를위한h형스프링이부착된지지격자체
KR100330358B1 (ko) * 1999-07-29 2002-04-01 장인순 냉각수 혼합을 위한 딤플형 베인과 다중스프링이 부착된 지지격자체
US6606369B1 (en) 2002-03-06 2003-08-12 Westinghouse Electric Company Llc Nuclear reactor with improved grid
FR2837975B1 (fr) * 2002-03-29 2005-08-26 Framatome Anp Grille entretoise d'un assemblage de combustible pour un reacteur nucleaire refroidi par de l'eau legere
US6819733B2 (en) 2002-05-15 2004-11-16 Westinghouse Electric Company Llc Fuel assembly and associated grid for nuclear reactor
US20060227925A1 (en) * 2005-04-08 2006-10-12 Westinghouse Electric Company Llc Four point contact structural spacer grid
FR2910687B1 (fr) * 2006-12-26 2016-08-26 Areva Np Grille-entretoise a elements d'appui en forme de selle de cheval et assemblage de combustible nucleaire correspondant.
US9378853B2 (en) 2010-10-21 2016-06-28 Bwxt Nuclear Energy, Inc. Support structure for a control rod assembly of a nuclear reactor
US9620250B2 (en) 2012-02-02 2017-04-11 Bwxt Nuclear Energy, Inc. Spacer grid
US9805832B2 (en) 2012-02-27 2017-10-31 Bwxt Mpower, Inc. Control rod drive mechanism (CRDM) mounting system for pressurized water reactors
US9911512B2 (en) 2012-02-27 2018-03-06 Bwxt Mpower, Inc. CRDM internal electrical connector
US9959944B2 (en) 2012-04-12 2018-05-01 Bwxt Mpower, Inc. Self-supporting radial neutron reflector
US10102933B2 (en) 2012-04-13 2018-10-16 Bwxt Mpower, Inc. Control rod assembly impact limiter
US10124472B2 (en) 2012-04-16 2018-11-13 Bwxt Mpower, Inc. Lower end fitting locknut for nuclear fuel assembly
US9378852B2 (en) 2012-04-17 2016-06-28 Bwxt Mpower, Inc. Spacer grids for nuclear reactor
WO2013158498A1 (en) 2012-04-17 2013-10-24 Babcock & Wilcox Mpower, Inc. Suspended upper internals for compact nuclear reactor including a lower hanger plate
US9881701B2 (en) 2012-04-17 2018-01-30 Bwxt Mpower, Inc. Spacer grids with springs having improved robustness
WO2013165669A1 (en) 2012-04-17 2013-11-07 Babcock & Wilcox Mpower, Inc. Suspended upper internals with tie rod couplings for compact nuclear reactor
EP2839471B1 (de) 2012-04-17 2017-11-08 Babcock & Wilcox MPower Inc. Steigrohrübergangsstück für kompakten kernreaktor
US9972407B2 (en) 2012-04-17 2018-05-15 Bwxt Mpower, Inc. Small modular reactor fuel assembly
US9922731B2 (en) 2012-04-17 2018-03-20 Bwxt Mpower, Inc. Resistance welding of an end cap for nuclear fuel rods
EP2839481B1 (de) 2012-04-17 2017-08-02 Babcock & Wilcox MPower, Inc. Untere endstückeinsatzstifte
US9666313B2 (en) 2012-04-17 2017-05-30 Bwxt Mpower, Inc. Small modular reactor refueling sequence
US9767930B2 (en) 2012-04-17 2017-09-19 Bwxt Mpower, Inc. Suspended upper internals for compact nuclear reactor including a mid-hanger plate
US9620253B2 (en) 2012-04-17 2017-04-11 Bwxt Mpower, Inc. Riser cone apparatus to provide compliance between reactor components and minimize reactor coolant bypass flow
US10176899B2 (en) * 2012-09-04 2019-01-08 Global Nuclear Fuel-Americas, Llc Spacers with deflection-limited rod contacts for nuclear fuel assemblies and methods of making the same
CN106795043B (zh) 2014-08-08 2019-07-23 康宁股份有限公司 用于在处理期间保持玻璃制品的储盒设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769159A (en) * 1968-06-24 1973-10-30 Combustion Eng Fuel element grid support for nuclear reactor
US4268356A (en) * 1978-07-14 1981-05-19 Westinghouse Electric Corp. Nuclear reactor fuel assembly grid
US4389369A (en) * 1980-08-11 1983-06-21 Westinghouse Electric Corp. Bi-metallic grid for a nuclear reactor fuel assembly
US4426355A (en) * 1982-01-04 1984-01-17 Combustion Engineering, Inc. Spacer grid for nuclear fuel assembly
US4474730A (en) * 1982-08-05 1984-10-02 Westinghouse Electric Corp. Nuclear fuel spacer grid
US4492844A (en) * 1982-09-01 1985-01-08 Westinghouse Electric Corp. Welding plates for a fuel rod grid
US4585615A (en) * 1983-03-09 1986-04-29 Westinghouse Electric Corp. Nuclear fuel spacer grid with improved grid straps
US4576786A (en) * 1983-12-21 1986-03-18 Westinghouse Electric Corp. Partial grid for a nuclear reactor fuel assembly
US4659542A (en) * 1984-10-03 1987-04-21 Westinghouse Electric Corp. Grid structure for nuclear fuel assembly
US4702881A (en) * 1985-04-02 1987-10-27 Westinghouse Electric Corp. Nuclear reactor spacer grid
US4744942A (en) * 1986-06-11 1988-05-17 Westinghouse Electric Corp. Nuclear reactor spacer grid loading
US4756878A (en) * 1986-12-01 1988-07-12 Advanced Nuclear Fuels Corporation Grid spacer and method of making same
EP0291736B1 (de) * 1987-05-22 1993-06-23 Westinghouse Electric Corporation Kernbrennstoffstabstützgitter
US4803043A (en) * 1987-05-22 1989-02-07 Westinghouse Electric Corp. Nuclear fuel rod grid spring and dimple structures

Also Published As

Publication number Publication date
EP0384220A2 (de) 1990-08-29
KR0175928B1 (ko) 1999-05-15
DE69012606D1 (de) 1994-10-27
KR900013525A (ko) 1990-09-06
US4923669A (en) 1990-05-08
JPH02248894A (ja) 1990-10-04
DE69012606T2 (de) 1995-01-19
EP0384220A3 (de) 1991-01-09
EP0384220B1 (de) 1994-09-21
ES2058624T3 (es) 1994-11-01
JP2823054B2 (ja) 1998-11-11

Similar Documents

Publication Publication Date Title
DE69012606D1 (de) Kernbrennstab-Abstandshalter.
IT1182825B (it) Perfezionamento nei volani a struttura suddivisa
DK478385A (da) Para-aramidpapir med hoej densitet, dets fremstilling og anvendelse
DK75485A (da) Fjeder med stor energitaethed
DE3583593D1 (de) Speicherhierarchie und deren betriebsverfahren.
DK266084D0 (da) Middellastkraftvaerk med et integreret kulforgasningsanlaeg
DK16984A (da) Braendselscelle
DK148084D0 (da) Selvbaerende fibroes grundmasse,dens fremstilling og anvendelse
NO893805D0 (no) Brenselcelle.
NO893484L (no) Brenselcelle.
IL73813A0 (en) Nuclear-reactor fuel assembly with a partial grid structure
GB2158988B (en) Improvments in fuel cell structures
DE3687818D1 (de) Verwendung eines zellbauteils in einer brennstoffzelle.
ZA871253B (en) Spacer grid for a nuclear fuel assembly
DE3668718D1 (de) Kernbrennstabhaltegitter mit vielfachnoppenanordnung.
ES521252A0 (es) Mejoras introducidas en conjuntos de combustible nuclear.
DE3581910D1 (de) Speichermatrix.
ES548185A0 (es) Mejoras en reactores nucleares
DK440289D0 (da) Braendselcelle
ES540543A0 (es) Perfeccionamientos en los ensamblajes de combustible nuclear
DE68917959D1 (de) Metallumhüllung und ihre Verwendung in einer Trockenzelle.
ES542862A0 (es) Varilla de combustible nuclear.
EP0206162A3 (en) Nuclear fuel assembly with bow-resistant structural members
NO854103L (no) Forbedret ildsted for fast brensel og en ny framgangsmaate for aa fyre i ildsteder for fast brensel.
ATE28924T1 (de) Federn mit hohem energiespeichervermoegen.