GB1307119A - Control rod anti-ejection latch - Google Patents

Control rod anti-ejection latch

Info

Publication number
GB1307119A
GB1307119A GB3172370A GB3172370A GB1307119A GB 1307119 A GB1307119 A GB 1307119A GB 3172370 A GB3172370 A GB 3172370A GB 3172370 A GB3172370 A GB 3172370A GB 1307119 A GB1307119 A GB 1307119A
Authority
GB
United Kingdom
Prior art keywords
control rod
slug
pins
pawls
points
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
GB3172370A
Other languages
English (en)
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.)
Combustion Engineering Inc
Original Assignee
Combustion Engineering Inc
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 Combustion Engineering Inc filed Critical Combustion Engineering Inc
Publication of GB1307119A publication Critical patent/GB1307119A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20636—Detents

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Electromagnets (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Load-Engaging Elements For Cranes (AREA)
GB3172370A 1969-07-08 1970-06-30 Control rod anti-ejection latch Expired GB1307119A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83991569A 1969-07-08 1969-07-08

Publications (1)

Publication Number Publication Date
GB1307119A true GB1307119A (en) 1973-02-14

Family

ID=25280970

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3172370A Expired GB1307119A (en) 1969-07-08 1970-06-30 Control rod anti-ejection latch

Country Status (8)

Country Link
US (1) US3572161A (enExample)
JP (1) JPS4936472B1 (enExample)
CH (1) CH504757A (enExample)
DE (1) DE7022146U (enExample)
ES (1) ES381529A1 (enExample)
FR (1) FR2051600B1 (enExample)
GB (1) GB1307119A (enExample)
SE (1) SE343975B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109478432A (zh) * 2016-05-04 2019-03-15 水利矿业核能公司 具有借助于浮体进行干预的关机杆的核反应堆

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902963A (en) * 1970-01-05 1975-09-02 Combustion Eng Anti-ejection latch
US3765585A (en) * 1971-12-23 1973-10-16 Combustion Eng Control arrangement for self-closing control rod latches
US3882333A (en) * 1973-04-17 1975-05-06 Westinghouse Electric Corp Fail safe linear motion device
US3965757A (en) * 1973-12-12 1976-06-29 Combustion Engineering, Inc. Scram release for a control rod
US3992255A (en) * 1974-01-18 1976-11-16 Westinghouse Electric Corporation Control rod drive mechanism for a nuclear reactor
US4312245A (en) * 1977-12-14 1982-01-26 Hesston Corporation Valve control mechanism
FR2432197A1 (fr) * 1978-07-27 1980-02-22 Commissariat Energie Atomique Dispositif de commande d'une barre de controle d'un reacteur nucleaire muni de securites contre l'ejection et le chavirement
FR2525801A1 (fr) * 1982-04-26 1983-10-28 Commissariat Energie Atomique Dispositif anti-ejection deblocable pour barres de controle de reacteur nucleaire
US4526058A (en) * 1983-06-02 1985-07-02 Hr Textron Inc. Centering and lock mechanism for hydraulic actuator
FR2575582B1 (fr) * 1984-12-28 1987-03-06 Framatome Sa Dispositif et procede d'accrochage pour tige de manoeuvre de grappe de commande dans un reacteur nucleaire
DE8519904U1 (de) * 1985-07-10 1985-08-22 Mannesmann Kienzle GmbH, 7730 Villingen-Schwenningen Datensichtgerät mit neigbarer Bildschirm-Frontfläche
CN112017796B (zh) * 2020-07-31 2022-09-23 清华大学 缓冲锁
US20250226124A1 (en) * 2024-01-05 2025-07-10 Ge-Hitachi Nuclear Energy Americas Llc Systems and methods for limiting control element movement in nuclear power plants

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3480807A (en) * 1967-04-11 1969-11-25 Westinghouse Electric Corp Linear motion devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109478432A (zh) * 2016-05-04 2019-03-15 水利矿业核能公司 具有借助于浮体进行干预的关机杆的核反应堆

Also Published As

Publication number Publication date
DE7022146U (de) 1970-09-10
SE343975B (enExample) 1972-03-20
US3572161A (en) 1971-03-23
ES381529A1 (es) 1972-11-16
JPS4936472B1 (enExample) 1974-10-01
FR2051600A1 (enExample) 1971-04-09
FR2051600B1 (enExample) 1974-09-20
CH504757A (de) 1971-03-15

Similar Documents

Publication Publication Date Title
US3992255A (en) Control rod drive mechanism for a nuclear reactor
US4044622A (en) Anti-ejection system for control rod drives
US3572161A (en) Control rod antiejection latch
GB1465220A (en) Control rod for a nuclear reactor
GB1120505A (en) Improvements in check valve mechanism
US4484093A (en) Linear motion device and method for inserting and withdrawing control rods
GB1114538A (en) Chain stoppers
GB1498386A (en) Connecting device
GB1068404A (en) Seat belt and locking means therefor
US3902963A (en) Anti-ejection latch
GB1148663A (en) A gripper for a loading machine of a nuclear reactor
US3377252A (en) Nuclear reactors
GB1336341A (en) Restraining means for vehicle seats
US4134790A (en) Fuel lock down device
US3859946A (en) Under load releasable chain stoppers
GB1102255A (en) Improvements in and relating to nuclear reactor safety rod actuators
ES335733A1 (es) Un actuador de varilla de mando nuclear.
US2340409A (en) Chain hoist
GB1215802A (en) Grabheads for use in nuclear reactors
GB1402701A (en) Latch mechanism for doors
GB1515927A (en) Devices for releasable connection of frame members
GB1240617A (en) Nuclear fuel retainer
GB1516468A (en) Mooring or towing hooks
US399470A (en) Lifting-jack
GB732528A (en) Improvements in or relating to lifting mechanisms of the self-jamming type

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees