FR2428891A1 - Tuyere superieure pour un assemblage combustible de reacteur nucleaire - Google Patents

Tuyere superieure pour un assemblage combustible de reacteur nucleaire

Info

Publication number
FR2428891A1
FR2428891A1 FR7915267A FR7915267A FR2428891A1 FR 2428891 A1 FR2428891 A1 FR 2428891A1 FR 7915267 A FR7915267 A FR 7915267A FR 7915267 A FR7915267 A FR 7915267A FR 2428891 A1 FR2428891 A1 FR 2428891A1
Authority
FR
France
Prior art keywords
plate
nuclear reactor
upper nozzle
fuel assembly
reactor fuel
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.)
Granted
Application number
FR7915267A
Other languages
English (en)
Other versions
FR2428891B1 (fr
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.)
CBS Corp
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 FR2428891A1 publication Critical patent/FR2428891A1/fr
Application granted granted Critical
Publication of FR2428891B1 publication Critical patent/FR2428891B1/fr
Granted 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
    • G21C3/334—Assembling, maintenance or repair of the 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)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

Structure de tuyère supérieure pour un assemblage combustible de réacteur nucléaire comprenant un faisceau de barres de combustible, une plaque à orifices agencés au-dessus de ces barres de combustible, des tubes de guidage de barre de commande comportant des prolongements, une plaque de maintien bas mobile verticalement sur ces prolongements de tube, cette plaque possédant des ouvertures d'une taille suffisante pour recevoir les prolongements de tube de guidage, des ressorts sur certains des prolongements de tube et pousses dans le sens qui appuie verticalement la plaque de maintien bas contre une plaque supérieure de coeur.
FR7915267A 1978-06-15 1979-06-14 Tuyere superieure pour un assemblage combustible de reacteur nucleaire Granted FR2428891A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/915,650 US4269661A (en) 1978-06-15 1978-06-15 Top nozzle for a nuclear reactor fuel assembly

Publications (2)

Publication Number Publication Date
FR2428891A1 true FR2428891A1 (fr) 1980-01-11
FR2428891B1 FR2428891B1 (fr) 1985-01-11

Family

ID=25436063

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7915267A Granted FR2428891A1 (fr) 1978-06-15 1979-06-14 Tuyere superieure pour un assemblage combustible de reacteur nucleaire

Country Status (6)

Country Link
US (1) US4269661A (fr)
JP (1) JPS551598A (fr)
BE (1) BE876580A (fr)
ES (1) ES481556A0 (fr)
FR (1) FR2428891A1 (fr)
IT (1) IT1121393B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376092A (en) * 1979-12-10 1983-03-08 Westinghouse Electric Corp. Nuclear fuel assembly wear sleeve
IT1174055B (it) * 1983-01-13 1987-07-01 Westinghouse Electric Corp Complesso di combustibile per reattore nucleare
FR2544538B1 (fr) * 1983-04-13 1985-08-02 Fragema Framatome & Cogema Dispositif anti-envol pour reacteur nucleaire
FR2562708B1 (fr) * 1984-04-10 1989-10-13 Fragema Framatome & Cogema Embout superieur pour assemblage de combustible nucleaire
US4670213A (en) * 1985-02-12 1987-06-02 Westinghouse Electric Corp. Removable top nozzle subassembly for a reconstitutable nuclear fuel assembly
US4687630A (en) * 1985-03-13 1987-08-18 Westinghouse Electric Corp. Top nozzle and guide thimble joint structure in a nuclear fuel assembly
US4707326A (en) * 1985-07-26 1987-11-17 Westinghouse Electric Corp. Arrangement and method for attaching and reattaching a top nozzle in a reconstitutable nuclear fuel assembly
US4702883A (en) * 1985-08-05 1987-10-27 Westinghouse Electric Corp. Reconstitutable fuel assembly having removable upper stops on guide thimbles
US4664874A (en) * 1985-09-05 1987-05-12 Westinghouse Electric Corp. Reusable locking tube insertion and removal fixture and method in a reconstitutable fuel assembly
US4687628A (en) * 1985-11-14 1987-08-18 Westinghouse Electric Corp. Flexible rod guide support structure for inner barrel assembly of pressurized water reactor
US4692304A (en) * 1985-12-23 1987-09-08 Westinghouse Electric Corp. Removable and reusable locking pin for top nozzle assembly and disassembly
US4699761A (en) * 1986-04-30 1987-10-13 Westinghouse Electric Corp. Integral reusable locking arrangement for a removable top nozzle subassembly of a reconstitutable nuclear fuel assembly
US4986959A (en) * 1989-05-17 1991-01-22 Westinghouse Electric Corp. Nuclear fuel assembly with expandable top nozzle subassembly
US5237595A (en) * 1990-02-26 1993-08-17 Westinghouse Electric Corp. Guide plate for guide tubes used in nuclear reactors
US20060251205A1 (en) * 2005-05-02 2006-11-09 Westinghouse Electric Co. Llc In-core fuel restraint assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769158A (en) * 1971-11-24 1973-10-30 Nuclear Fuel Services End fitting retainer for nuclear fuel assembly
US3791466A (en) * 1969-05-19 1974-02-12 Westinghouse Electric Corp Low parasitic capture fuel assembly structure
US3814667A (en) * 1971-05-20 1974-06-04 Combustion Eng Fuel assembly hold-down device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2206315A (en) * 1937-06-21 1940-07-02 Automotive Maintenance Mach Co Torque measuring wrench
US2952600A (en) * 1953-07-07 1960-09-13 Henry W Newson Neutronic reactor control element
US2879216A (en) * 1954-02-05 1959-03-24 Jr Henry Hurwitz Neutronic reactor
US3235463A (en) * 1958-01-31 1966-02-15 Babcock & Wilcox Co Nuclear reactor
BE586969A (fr) * 1959-01-29
DE1439426A1 (de) * 1964-08-05 1969-03-20 Siemens Ag Brennelemente fuer heterogene Atomreaktoren
US3349004A (en) * 1966-01-17 1967-10-24 Gen Electric Nuclear reactor fuel bundle
US3572621A (en) * 1968-09-27 1971-03-30 Us Navy Shock mitigating spring and detent pedestal
US3770583A (en) * 1971-05-20 1973-11-06 Combustion Eng Fuel assembly hold-down device
US3854308A (en) * 1973-01-23 1974-12-17 Whirlpool Co Suspension mounting assembly for automatic washer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3791466A (en) * 1969-05-19 1974-02-12 Westinghouse Electric Corp Low parasitic capture fuel assembly structure
US3814667A (en) * 1971-05-20 1974-06-04 Combustion Eng Fuel assembly hold-down device
US3769158A (en) * 1971-11-24 1973-10-30 Nuclear Fuel Services End fitting retainer for nuclear fuel assembly

Also Published As

Publication number Publication date
US4269661A (en) 1981-05-26
JPS551598A (en) 1980-01-08
ES8100523A1 (es) 1980-11-01
ES481556A0 (es) 1980-11-01
FR2428891B1 (fr) 1985-01-11
IT1121393B (it) 1986-04-02
IT7923566A0 (it) 1979-06-14
BE876580A (fr) 1979-11-28

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Legal Events

Date Code Title Description
ST Notification of lapse