ES2052991T3 - Bridas de fijacion de los resortes de retencion mejoradas en la tobera superior de un conjunto de combustible. - Google Patents

Bridas de fijacion de los resortes de retencion mejoradas en la tobera superior de un conjunto de combustible.

Info

Publication number
ES2052991T3
ES2052991T3 ES90102990T ES90102990T ES2052991T3 ES 2052991 T3 ES2052991 T3 ES 2052991T3 ES 90102990 T ES90102990 T ES 90102990T ES 90102990 T ES90102990 T ES 90102990T ES 2052991 T3 ES2052991 T3 ES 2052991T3
Authority
ES
Spain
Prior art keywords
clamp
base
fuel assembly
upper nozzle
fastening flanges
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 - Lifetime
Application number
ES90102990T
Other languages
English (en)
Inventor
John Anthony Rylatt
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.)
Westinghouse Electric 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
Application granted granted Critical
Publication of ES2052991T3 publication Critical patent/ES2052991T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G21C3/02—Fuel elements
    • G21C3/04—Constructional details
    • G21C3/06—Casings; Jackets
    • G21C3/12—Means forming part of the element for locating it within the reactor core
    • 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
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7041—Interfitted members including set screw

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Clamps And Clips (AREA)

Abstract

EL INVENTO CONCIERNE A UNA BOCA SUPERIOR DE MONTAJE DE COMBUSTIBLE CON ABRAZADERAS MEJORADAS PARA LOS EXTREMOS (48B) BASE DE LOS MONTAJES (48) DE MUELLES SUJETADORES. CADA ABRAZADERA (68) INCLUYE (A) UN BLOQUE ABRAZADERA (72A) QUE ESTA FORMADO INTEGRAL CON LA BOCA SUPERIOR (22) Y HA FORMADO EN ELLO DOS RANURAS (76) DE ABRAZADERA INTERCONECTADAS, CADA UNA DE LAS CUALES ESTA ABIERTA EN EL FRENTE Y EXTERIOR DE ELLO PARA PERMITIR LAS INSERCIONES LATERALES EN ELLO DEL EXTREMO (48B) BASE DEL MONTAJE (48A) DE MUELLE ASOCIADO, Y (B) UN CIERRE (74) PARA ABRAZAR EL EXTREMO BASE INSERTADO DEL MONTAJE DE MUELLE ASEGURADO EN EL LUGAR, EL CIERRE (74) TIENE UNA CABEZA ENSARTADA (92) EXTERNAMENTE QUE ES ENGRANADA ENSARTADAMENTE EN LA ABERTURA ENSARTADA INTERNAMENTE DEL BLOQUE ABRAZADERA (72).
ES90102990T 1989-03-06 1990-02-16 Bridas de fijacion de los resortes de retencion mejoradas en la tobera superior de un conjunto de combustible. Expired - Lifetime ES2052991T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/319,590 US4938919A (en) 1989-03-06 1989-03-06 Hold-down spring clamps on fuel assembly top nozzle

Publications (1)

Publication Number Publication Date
ES2052991T3 true ES2052991T3 (es) 1994-07-16

Family

ID=23242898

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90102990T Expired - Lifetime ES2052991T3 (es) 1989-03-06 1990-02-16 Bridas de fijacion de los resortes de retencion mejoradas en la tobera superior de un conjunto de combustible.

Country Status (6)

Country Link
US (1) US4938919A (es)
EP (1) EP0386501B1 (es)
JP (1) JP2938924B2 (es)
KR (1) KR0171186B1 (es)
DE (1) DE69009085T2 (es)
ES (1) ES2052991T3 (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5057272A (en) * 1989-12-01 1991-10-15 Westinghouse Electric Corp. Nuclear fuel assembly top nozzle with improved arrangement of hold-down leaf spring assemblies
SE466825B (sv) * 1990-08-14 1992-04-06 Asea Atom Ab Foerfarande foer fastsaettning av ett fjaederpaket paa en topplatta i en braenslepatron foer en kaernreaktor
US5053191A (en) * 1990-09-13 1991-10-01 Combustion Engineering, Inc. Fuel assembly holddown spring
US5200142A (en) * 1991-04-18 1993-04-06 Westinghouse Electric Corp. Nuclear fuel assembly top nozzle with improved peripheral hold-down assembly
US5274685A (en) * 1992-09-24 1993-12-28 Siemens Power Corporation Non-levitating PWR fuel assembly
US5405115A (en) * 1993-02-02 1995-04-11 A-Dec, Inc. Mounting bracket assembly
FR2725298B1 (fr) * 1994-09-30 1996-12-20 Framatome Sa Coeur d'un reacteur nucleaire a eau sous pression et embout superieur d'un assemblage de combustible du coeur
JP3546125B2 (ja) * 1997-06-10 2004-07-21 三菱重工業株式会社 原子炉用燃料集合体の上部押さえばね構造
FR2801411B1 (fr) * 1999-11-23 2002-02-15 Framatome Sa Embout superieur d'un assemblage de combustible comportant des ressorts fixes par des vis immobilisees de maniere imperdable et procede de remplacement de ressorts ou de vis d'un assemblage de combustible irradie
US20060251205A1 (en) * 2005-05-02 2006-11-09 Westinghouse Electric Co. Llc In-core fuel restraint assembly
JP2010044086A (ja) * 2009-10-13 2010-02-25 Nuclear Fuel Ind Ltd 加圧水型原子炉用燃料集合体上部ノズル
KR101081560B1 (ko) * 2010-01-25 2011-11-08 한전원자력연료 주식회사 고정 안정성이 향상된 스프링홈이 형성된 핵연료 집합체용 상단고정체 및 그 제작 방법
KR101149550B1 (ko) * 2010-05-20 2012-05-25 한전원자력연료 주식회사 핵연료 집합체용 상단고정체
US8670519B2 (en) * 2010-10-11 2014-03-11 Westinghouse Electric Company Llc Nuclear fuel assembly hold down spring
US10818401B2 (en) * 2016-02-02 2020-10-27 Westinghouse Electric Company Llc Spring apparatus and support apparatus usable in nuclear installation

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31583A (en) * 1861-02-26 Railroad-car brake
FR821595A (fr) * 1936-07-17 1937-12-08 Dispositifs pour le blocage des écrous ou des têtes de vis
US3791466A (en) * 1969-05-19 1974-02-12 Westinghouse Electric Corp Low parasitic capture fuel assembly structure
USRE31583E (en) 1971-05-20 1984-05-08 Combustion Engineering, Inc. Fuel assembly hold-down device
US3814667A (en) * 1971-05-20 1974-06-04 Combustion Eng Fuel assembly hold-down device
DE2542757C3 (de) * 1975-09-25 1978-08-31 Babcock-Brown Boveri Reaktor Gmbh, 6800 Mannheim Einrichtung zur Aufnahme der beim Betrieb eines Kernreaktors an den Brennelementen auftretenden Axialkräfte
US4560312A (en) * 1980-08-29 1985-12-24 Grady James H Stud and screw rivet fastener
FR2491668B1 (fr) * 1980-10-08 1985-10-11 Framatome Sa Assemblage combustible de reacteur nucleaire
FR2520148B1 (fr) * 1982-01-18 1986-01-10 Commissariat Energie Atomique Piece d'extremite d'assemblage combustible de reacteur nucleaire comportant un levier rigide rappele elastiquement
FR2520147B1 (fr) * 1982-01-18 1985-10-25 Commissariat Energie Atomique Piece d'extremite d'assemblage combustible de reacteurs nucleaires dans laquelle les parois laterales sont elastiques
FR2544538B1 (fr) * 1983-04-13 1985-08-02 Fragema Framatome & Cogema Dispositif anti-envol pour reacteur nucleaire
US4671924A (en) * 1985-05-02 1987-06-09 Westinghouse Electric Corp. Hold-down device of fuel assembly top nozzle employing leaf springs
US4684502A (en) * 1985-06-19 1987-08-04 Westinghouse Electric Corp. Top nozzle alignment sleeve capture arrangement in a reconstitutable fuel assembly
EP0212902A3 (en) * 1985-08-05 1987-06-03 Westinghouse Electric Corporation Method of removing and replacing locking screws in a nuclear fuel assembly
JPS6291891A (ja) * 1985-10-18 1987-04-27 原子燃料工業株式会社 燃料集合体
JPS62102186A (ja) * 1985-10-29 1987-05-12 三菱原子燃料株式会社 原子炉燃料集合体の上部ノズル
US4792429A (en) * 1987-08-24 1988-12-20 Combustion Engineering, Inc. Spring retention cap

Also Published As

Publication number Publication date
EP0386501A3 (en) 1990-12-05
DE69009085D1 (de) 1994-06-30
KR900015173A (ko) 1990-10-26
KR0171186B1 (ko) 1999-05-01
DE69009085T2 (de) 1994-12-08
JPH02272393A (ja) 1990-11-07
US4938919A (en) 1990-07-03
JP2938924B2 (ja) 1999-08-25
EP0386501A2 (en) 1990-09-12
EP0386501B1 (en) 1994-05-25

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