BE905694A - Dispositif de fixation a vis pour assemblage combustible nucleaire et procede de reparation d'assemblage utilisant un tel dispositif. - Google Patents

Dispositif de fixation a vis pour assemblage combustible nucleaire et procede de reparation d'assemblage utilisant un tel dispositif.

Info

Publication number
BE905694A
BE905694A BE0/217362A BE217362A BE905694A BE 905694 A BE905694 A BE 905694A BE 0/217362 A BE0/217362 A BE 0/217362A BE 217362 A BE217362 A BE 217362A BE 905694 A BE905694 A BE 905694A
Authority
BE
Belgium
Prior art keywords
assembly
nuclear fuel
screw fixing
fuel assembly
repairing
Prior art date
Application number
BE0/217362A
Other languages
English (en)
French (fr)
Inventor
Louis Guironnet
Michel Bline
Bruno Mouesca
Original Assignee
Framatome Sa
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
Application filed by Framatome Sa, Cogema filed Critical Framatome Sa
Publication of BE905694A publication Critical patent/BE905694A/fr

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/10—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt
    • F16B39/103—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt with a locking cup washer, ring or sleeve surrounding the nut or bolt head and being partially deformed on the nut or bolt head, or on the object itself
    • F16B39/105—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt with a locking cup washer, ring or sleeve surrounding the nut or bolt head and being partially deformed on the nut or bolt head, or on the object itself locking the bold head or nut into a hole or cavity, e.g. with the cup washer, ring or sleeve deformed into a dimple in the cavity
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Mechanical Engineering (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Clamps And Clips (AREA)
  • Fuel-Injection Apparatus (AREA)
BE0/217362A 1985-11-04 1986-11-04 Dispositif de fixation a vis pour assemblage combustible nucleaire et procede de reparation d'assemblage utilisant un tel dispositif. BE905694A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8516294A FR2589535B3 (fr) 1985-11-04 1985-11-04 Dispositif de fixation a vis pour assemblage combustible nucleaire et procede de reparation d'assemblage utilisant un tel dispositif

Publications (1)

Publication Number Publication Date
BE905694A true BE905694A (fr) 1987-05-04

Family

ID=9324454

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/217362A BE905694A (fr) 1985-11-04 1986-11-04 Dispositif de fixation a vis pour assemblage combustible nucleaire et procede de reparation d'assemblage utilisant un tel dispositif.

Country Status (3)

Country Link
JP (1) JPS62123599U (https=)
BE (1) BE905694A (https=)
FR (1) FR2589535B3 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4683108A (en) * 1985-12-10 1987-07-28 Westinghouse Electric Corp. Locking screw apparatus and method for underwater remote replacement
US4792429A (en) * 1987-08-24 1988-12-20 Combustion Engineering, Inc. Spring retention cap
US4986960A (en) * 1989-01-30 1991-01-22 The Babcock & Wilcox Company Two piece end fitting with hairpin springs
FR2676514B1 (fr) * 1991-05-13 1993-09-10 Framatome Sa Assemblage visse de securite de deux pieces et dispositifs de realisation et de mise en óoeuvre d'un tel assemblage.
WO2018165488A2 (en) 2017-03-08 2018-09-13 Fisher Benjamin D Apparatus and method for baffle bolt repair

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465916A1 (fr) * 1979-09-19 1981-03-27 Framatome Sa Assemblage visse de securite
JPS5912384A (ja) * 1982-07-13 1984-01-23 原子燃料工業株式会社 核燃料集合体

Also Published As

Publication number Publication date
FR2589535A1 (fr) 1987-05-07
FR2589535B3 (fr) 1988-03-04
JPS62123599U (https=) 1987-08-05

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: FRAMATOME S.A.

Effective date: 20011130

Owner name: COMPAGNIE GENERALE DES MATIERES NUCLEAIRES S.A.

Effective date: 20011130