FR1234552A - Safety release mechanism - Google Patents

Safety release mechanism

Info

Publication number
FR1234552A
FR1234552A FR804228A FR804228A FR1234552A FR 1234552 A FR1234552 A FR 1234552A FR 804228 A FR804228 A FR 804228A FR 804228 A FR804228 A FR 804228A FR 1234552 A FR1234552 A FR 1234552A
Authority
FR
France
Prior art keywords
release mechanism
safety release
safety
release
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
Application number
FR804228A
Other languages
French (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.)
Nuclear Power Plant Co Ltd
Original Assignee
Nuclear Power Plant Co Ltd
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 Nuclear Power Plant Co Ltd filed Critical Nuclear Power Plant Co Ltd
Application granted granted Critical
Publication of FR1234552A publication Critical patent/FR1234552A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
    • G21C19/02—Details of handling arrangements
    • G21C19/10—Lifting devices or pulling devices adapted for co-operation with fuel elements or with control elements
    • G21C19/105—Lifting devices or pulling devices adapted for co-operation with fuel elements or with control elements with grasping or spreading coupling elements
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
    • G21C19/02—Details of handling arrangements
    • G21C19/10—Lifting devices or pulling devices adapted for co-operation with fuel elements or with control elements
    • 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
    • G21C7/12—Means for moving control elements to desired position
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C9/00—Emergency protection arrangements structurally associated with the reactor, e.g. safety valves provided with pressure equalisation devices
    • G21C9/02—Means for effecting very rapid reduction of the reactivity factor under fault conditions, e.g. reactor fuse; Control elements having arrangements activated in an emergency
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C9/00—Emergency protection arrangements structurally associated with the reactor, e.g. safety valves provided with pressure equalisation devices
    • G21C9/02—Means for effecting very rapid reduction of the reactivity factor under fault conditions, e.g. reactor fuse; Control elements having arrangements activated in an emergency
    • G21C9/027—Means for effecting very rapid reduction of the reactivity factor under fault conditions, e.g. reactor fuse; Control elements having arrangements activated in an emergency by fast movement of a solid, e.g. pebbles
    • 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
FR804228A 1958-09-08 1959-09-03 Safety release mechanism Expired FR1234552A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB28768/58A GB872092A (en) 1958-09-08 1958-09-08 Improvements in and relating to safety release mechanisms

Publications (1)

Publication Number Publication Date
FR1234552A true FR1234552A (en) 1960-10-18

Family

ID=10280839

Family Applications (1)

Application Number Title Priority Date Filing Date
FR804228A Expired FR1234552A (en) 1958-09-08 1959-09-03 Safety release mechanism

Country Status (4)

Country Link
DE (1) DE1142423B (en)
ES (1) ES251757A1 (en)
FR (1) FR1234552A (en)
GB (1) GB872092A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402281A1 (en) * 1977-08-30 1979-03-30 Combustion Eng DEVICE INTENDED TO TRIGGER AN EMERGENCY STOP MECHANISM IN A NUCLEAR REACTOR
EP0232635A1 (en) * 1985-11-28 1987-08-19 Commissariat A L'energie Atomique Automatic trigger device for dropping an absorber element into a core of a nuclear reactor
EP0392991A1 (en) * 1989-04-13 1990-10-17 Ente per le nuove tecnologie, l'energia e l'ambiente (ENEA) A mechanism for the automatic release of control bars in a nuclear reactor

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE624947A (en) * 1961-11-16
US4476088A (en) * 1979-10-30 1984-10-09 Nuclear Power Company Limited Latching devices and nuclear reactors incorporating such latching devices
US7891607B2 (en) 2006-10-18 2011-02-22 The Boeing Company Pressure sensor device
GB2508815A (en) * 2012-12-11 2014-06-18 Rolls Royce Plc A pressure sensitive actuator for use in nuclear reactor systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE855785C (en) * 1950-06-17 1952-11-17 Herbert Schoen Electromechanical screw jack
GB786486A (en) * 1954-05-11 1957-11-20 Atomic Energy Authority Uk Improvements in or relating to nut and screw mechanisms
US2794670A (en) * 1954-06-30 1957-06-04 Robert L Menegus Releasable holder for rod
GB795565A (en) * 1956-02-02 1958-05-28 Atomic Energy Authority Uk Improvements in or relating to control mechanisms for nuclear reactors

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402281A1 (en) * 1977-08-30 1979-03-30 Combustion Eng DEVICE INTENDED TO TRIGGER AN EMERGENCY STOP MECHANISM IN A NUCLEAR REACTOR
EP0232635A1 (en) * 1985-11-28 1987-08-19 Commissariat A L'energie Atomique Automatic trigger device for dropping an absorber element into a core of a nuclear reactor
EP0392991A1 (en) * 1989-04-13 1990-10-17 Ente per le nuove tecnologie, l'energia e l'ambiente (ENEA) A mechanism for the automatic release of control bars in a nuclear reactor

Also Published As

Publication number Publication date
GB872092A (en) 1961-07-05
ES251757A1 (en) 1960-01-01
DE1142423B (en) 1963-01-17

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