BE902856A - Tube de guidage-reducteur de debit - Google Patents

Tube de guidage-reducteur de debit

Info

Publication number
BE902856A
BE902856A BE0/215323A BE215323A BE902856A BE 902856 A BE902856 A BE 902856A BE 0/215323 A BE0/215323 A BE 0/215323A BE 215323 A BE215323 A BE 215323A BE 902856 A BE902856 A BE 902856A
Authority
BE
Belgium
Prior art keywords
opening
guide tube
outer ring
flow reducing
support plate
Prior art date
Application number
BE0/215323A
Other languages
English (en)
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
Publication of BE902856A publication Critical patent/BE902856A/fr

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
    • G21C15/02—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
    • G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
    • 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)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pipe Accessories (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Paper (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Details Of Valves (AREA)

Abstract

Un tube de guidage-réducteur de débit de réacteur nucléaire pour utilisation sur une plaque de support supérieure (61) destiné à guider un arbre d'entrainement (71) de barre de controle à travers une ouverture (63) pratiquée dans la dite plaque de support (61) et à réduire le débit de réfrigérant à travers celle-ci, possède une bague extérieure (3) ayant une collerette (15) d'où partent des segments flexibles (19) portant des déflecteurs dirigés vers l'intérieur, et s'étendant à travers l'alésage de la bague extérieure et l'ouverture (63). Un manchon (5) qui, lors de son insertion dans la bague entre les segments flexibles vient en contact avec les pattes de déflection (33) des dits segments pour obliger ceux-ci à s'écarter vers l'extérieur pour les plaquer sur la paroi de l'ouverture (63) prévue dans la plaque de support (61).
BE0/215323A 1984-07-26 1985-07-11 Tube de guidage-reducteur de debit BE902856A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/634,727 US4664879A (en) 1984-07-26 1984-07-26 Guide tube flow restrictor

Publications (1)

Publication Number Publication Date
BE902856A true BE902856A (fr) 1986-01-13

Family

ID=24544980

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/215323A BE902856A (fr) 1984-07-26 1985-07-11 Tube de guidage-reducteur de debit

Country Status (5)

Country Link
US (1) US4664879A (fr)
JP (1) JPS6144394A (fr)
BE (1) BE902856A (fr)
GB (1) GB2162360B (fr)
IT (1) IT1200683B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8626237D0 (en) * 1986-11-03 1986-12-03 Nat Nuclear Corp Ltd Fluid flow-restricting sealsbaffles
US4822558A (en) * 1987-07-30 1989-04-18 Westinghouse Electric Corp. Thimble guide extender for a nuclear power plant
FR2622040B1 (fr) * 1987-10-14 1992-08-14 Novatome Dispositif amovible de reglage du debit de fluide de refroidissement dans un assemblage d'un reacteur nucleaire a neutrons rapides et procede de reglage et assemblage correspondants
US5053189A (en) * 1989-10-16 1991-10-01 Westinghouse Electric Corp. System providing improved guidance support with restricted coolant flow for control rods in the upper head plenum of a nuclear reactor
US5215707A (en) * 1991-09-10 1993-06-01 Siemens Power Corporation Instrument thimble tube shroud
US5490191A (en) * 1994-09-29 1996-02-06 Siemens Power Corporation BWR nuclear fuel assembly
EP2405443A1 (fr) * 2010-07-06 2012-01-11 Areva NP Assemblage de combustible nucléaire pour réacteur nucléaire à eau bouillante avec manchon élastique encliquetable
EP2525361A1 (fr) * 2011-05-20 2012-11-21 Areva NP Embout inférieur pour assemblage de combustible nucléaire

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL278891A (fr) * 1961-05-27
US3389056A (en) * 1964-07-09 1968-06-18 Westinghouse Electric Corp Fuel assemblies
US4050476A (en) * 1970-11-27 1977-09-27 Sanders Associates, Inc. Low noise hydraulic servo valve
FR2222731B1 (fr) * 1973-03-22 1976-05-21 Alsthom
IT1025260B (it) * 1973-11-16 1978-08-10 Mtu Muenchen Gmbh Turbina a raffreddamento interno della corona e con posizioni prescritte di rottura
US4194948A (en) * 1977-11-14 1980-03-25 General Atomic Locking support for nuclear fuel assemblies
US4289291A (en) * 1978-12-18 1981-09-15 The Babcock & Wilcox Company Retractable storage lug
JPS5735718A (en) * 1980-08-12 1982-02-26 Citizen Watch Co Ltd Rectifying element
US4348353A (en) * 1980-11-12 1982-09-07 The United States Of America As Represented By The United States Department Of Energy Nuclear reactor fuel assembly duct-tube-to-inlet-nozzle attachment system
US4544099A (en) * 1981-04-20 1985-10-01 Norris Harold R Flow control valve
NZ200960A (en) * 1981-06-22 1985-11-08 Ris Irrigation Syst Drip feed device containing disc with tortuous flow paths on each side

Also Published As

Publication number Publication date
GB8518462D0 (en) 1985-08-29
GB2162360A (en) 1986-01-29
JPH0451798B2 (fr) 1992-08-20
JPS6144394A (ja) 1986-03-04
IT1200683B (it) 1989-01-27
GB2162360B (en) 1988-05-05
IT8521649A0 (it) 1985-07-19
US4664879A (en) 1987-05-12

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WESTINGHOUSE ELECTRIC CORP.

Effective date: 19900731