ZA858479B - Grid with mixing fins for a nuclear fuel assembly - Google Patents

Grid with mixing fins for a nuclear fuel assembly

Info

Publication number
ZA858479B
ZA858479B ZA858479A ZA858479A ZA858479B ZA 858479 B ZA858479 B ZA 858479B ZA 858479 A ZA858479 A ZA 858479A ZA 858479 A ZA858479 A ZA 858479A ZA 858479 B ZA858479 B ZA 858479B
Authority
ZA
South Africa
Prior art keywords
grid
fuel assembly
nuclear fuel
mixing fins
fins
Prior art date
Application number
ZA858479A
Other languages
English (en)
Inventor
Jean Noailly
Original Assignee
Fragema Framatome & Cogema
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9309251&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA858479(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fragema Framatome & Cogema filed Critical Fragema Framatome & Cogema
Publication of ZA858479B publication Critical patent/ZA858479B/xx

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
    • G21C3/30Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/322Means to influence the coolant flow through or around the bundles
    • 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
    • G21C3/3432Grids designed to influence the coolant, i.e. coolant mixing function
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Fuel Cell (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
ZA858479A 1984-11-05 1985-11-05 Grid with mixing fins for a nuclear fuel assembly ZA858479B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8416803A FR2572837B1 (fr) 1984-11-05 1984-11-05 Grille a ailettes melangeuses pour assemblage de combustible nucleaire

Publications (1)

Publication Number Publication Date
ZA858479B true ZA858479B (en) 1986-07-30

Family

ID=9309251

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA858479A ZA858479B (en) 1984-11-05 1985-11-05 Grid with mixing fins for a nuclear fuel assembly

Country Status (6)

Country Link
US (1) US4758403A (es)
EP (1) EP0181264B2 (es)
DE (1) DE3571523D1 (es)
ES (1) ES8704661A1 (es)
FR (1) FR2572837B1 (es)
ZA (1) ZA858479B (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4844860A (en) * 1986-06-20 1989-07-04 Combustion Engineering, Inc. Support grid with integral vanes
FR2609832B1 (fr) * 1987-01-21 1992-06-12 Commissariat Energie Atomique Grille d'assemblage combustible de reacteur a eau legere
FR2633768B1 (fr) * 1988-06-29 1991-04-05 Framatome Sa Grille melangeuse a ailettes pour assemblage combustible nucleaire
SE464994B (sv) * 1989-11-14 1991-07-08 Asea Atom Ab Braenslepatron foer en kokarreaktor
FR2662010B1 (fr) * 1990-05-10 1992-08-21 Framatome Sa Grille pour assemblage combustible nucleaire a reseau et assemblage en comportant application.
FR2666678B1 (fr) * 1990-07-24 1993-07-30 Framatome Sa Grille a ailettes de melange pour assemblage combustible nucleaire.
EP0476179B1 (de) * 1990-09-21 1995-06-28 Siemens Aktiengesellschaft Reaktorkern eines Kernreaktors und Einsatzelement für einen Reaktorkern
SE470032B (sv) * 1992-03-17 1993-10-25 Asea Atom Ab Spridare för sammanhållning av ett antal långsträckta bränslestavar till ett knippe för placering i en kärnreaktor av BWR- eller PWP-typ.
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
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
FR2766002B1 (fr) * 1997-07-11 1999-12-03 Framatome Sa Grille a ailettes melangeuses pour assemblage de combustible nucleaire
US6519309B1 (en) * 2000-06-29 2003-02-11 Framatone Anp Inc. Pressurized water reactor fuel assembly spacer grid
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
DE102004014499B3 (de) * 2004-03-25 2005-09-01 Framatome Anp Gmbh Brennelement für einen Druckwasserkernreaktor
US7548602B2 (en) * 2006-03-09 2009-06-16 Westinghouse Electric Co. Llc Spacer grid with mixing vanes and nuclear fuel assembly employing the same
FR2935531B1 (fr) * 2008-08-26 2010-09-17 Areva Np Grille d'espacement pour assemblage de combustible et assemblage de combustible associe
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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1536258A (fr) * 1966-05-25 1968-08-16 Westinghouse Electric Corp Assemblage combustible pour réacteur nucléaire
DE1564697C3 (de) * 1966-09-01 1975-09-11 Siemens Ag, 1000 Berlin Und 8000 Muenchen Durchmischungsfahnen für das flüssige Kühlmittel von Kernreaktoren
US3749640A (en) * 1970-06-02 1973-07-31 United Nuclear Corp Nuclear reactor having improved coolant reflecting arrangement
DE2157742A1 (de) * 1971-11-22 1973-05-30 Siemens Ag Brennelement fuer einen druckwasserreaktor
US3862000A (en) * 1972-08-31 1975-01-21 Exxon Nuclear Co Inc Coolant mixing vanes
US4224107A (en) * 1978-05-09 1980-09-23 Commissariat A L'energie Atomique Spacer grids for a nuclear reactor fuel assembly
US4576786A (en) * 1983-12-21 1986-03-18 Westinghouse Electric Corp. Partial grid for a nuclear reactor fuel assembly

Also Published As

Publication number Publication date
ES548490A0 (es) 1987-04-16
EP0181264B1 (fr) 1989-07-12
DE3571523D1 (en) 1989-08-17
US4758403A (en) 1988-07-19
ES8704661A1 (es) 1987-04-16
FR2572837B1 (fr) 1989-05-05
FR2572837A1 (fr) 1986-05-09
EP0181264B2 (fr) 1995-05-03
EP0181264A1 (fr) 1986-05-14

Similar Documents

Publication Publication Date Title
ZA858479B (en) Grid with mixing fins for a nuclear fuel assembly
PH22487A (en) A coolant flow mixer grid for a nuclear reactor fuel assembly
ZA915798B (en) Grid having mixing fins for a nuclear fuel assembly
IL73813A0 (en) Nuclear-reactor fuel assembly with a partial grid structure
DE3566851D1 (en) Fuel assembly for a nuclear reactor
DE3374097D1 (en) Nuclear fuel assembly
EP0219038A3 (en) Nuclear fuel assembly
DE3470974D1 (en) Nuclear reactor fuel assembly with a removable top nozzle
ZA872264B (en) Spacing grid for nuclear fuel assembly
DE3471542D1 (en) Nuclear reactor fuel assembly
DE3480137D1 (en) A coolant flow mixing grid for a nuclear reactor fuel assembly
DE3364395D1 (en) Nuclear reactor fuel assembly end fitting comprising a resiliently biased rigid lever
DE3470625D1 (en) Fuel assembly for a nuclear reactor
DE3570002D1 (en) Improved fuel rod assembly for a nuclear reactor
GB2129189B (en) Reconstituting a nuclear reactor fuel assembly
DE3570548D1 (en) Nuclear reactor fuel element
DE3262441D1 (en) Fuel assembly for a nuclear reactor
EP0206163A3 (en) Nuclear fuel assembly
DE3273237D1 (en) Anti-bow grid for nuclear fuel assembly
DE3364003D1 (en) Nuclear reactor fuel assembly
DE3566180D1 (en) Upper end fitting for a nuclear fuel assembly
ZA8348B (en) Nuclear reactor fuel assembly end fitting
ZA876343B (en) Nuclear fuel assembly with a free end grid
ZA851202B (en) A nuclear fuel assembly lock down device
ZA849684B (en) A coolant flow mixer grid for a nuclear reactor fuel assembly