GB859811A - Improvements in and relating to nuclear reactors - Google Patents

Improvements in and relating to nuclear reactors

Info

Publication number
GB859811A
GB859811A GB14807/56A GB1480756A GB859811A GB 859811 A GB859811 A GB 859811A GB 14807/56 A GB14807/56 A GB 14807/56A GB 1480756 A GB1480756 A GB 1480756A GB 859811 A GB859811 A GB 859811A
Authority
GB
United Kingdom
Prior art keywords
reel
cable
motor
stopped
allows
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
GB14807/56A
Inventor
Derek Moore
Herbert Henry Heath
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.)
English Electric Co Ltd
Original Assignee
English Electric 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
Priority to BE557264D priority Critical patent/BE557264A/xx
Application filed by English Electric Co Ltd filed Critical English Electric Co Ltd
Priority to GB14807/56A priority patent/GB859811A/en
Priority to ES0235396A priority patent/ES235396A1/en
Publication of GB859811A publication Critical patent/GB859811A/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
    • G21C7/20—Disposition of shock-absorbing devices ; Braking arrangements
    • 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
    • G21C7/14—Mechanical drive arrangements
    • 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)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Unwinding Of Filamentary Materials (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

859,811. Nuclear reactors. ENGLISH ELECTRIC CO. Ltd. May 8, 1957 [May 11, 1956], No. 14807/56. Class 39(4). A control element 11 for a nuclear reactor is biased (by gravity) to the shut-down position with a winding cable so wound on a reel 12 that the reel radius at which it is wound increases as the element is withdrawn from the reactor core. A free wheel device fitted in the hub of the reel 12 couples the reel to a synchronous motor but allows this motor to run free when the control element has descended rapidly driving the de-energized motor and is then stopped. When the element 11 is thus stopped, by the cable unwinding to an anchor pin 12d a sheave 16 stresses a torsion spring 19 and allows the cable to straighten, from the position B to position C, returning to B as permitted by a dash-pot 20.
GB14807/56A 1956-05-11 1956-05-11 Improvements in and relating to nuclear reactors Expired GB859811A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE557264D BE557264A (en) 1956-05-11
GB14807/56A GB859811A (en) 1956-05-11 1956-05-11 Improvements in and relating to nuclear reactors
ES0235396A ES235396A1 (en) 1956-05-11 1957-05-10 Improvements in and relating to nuclear reactors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB14807/56A GB859811A (en) 1956-05-11 1956-05-11 Improvements in and relating to nuclear reactors

Publications (1)

Publication Number Publication Date
GB859811A true GB859811A (en) 1961-01-25

Family

ID=10047828

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14807/56A Expired GB859811A (en) 1956-05-11 1956-05-11 Improvements in and relating to nuclear reactors

Country Status (3)

Country Link
BE (1) BE557264A (en)
ES (1) ES235396A1 (en)
GB (1) GB859811A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3202580A (en) * 1963-02-11 1965-08-24 Gen Dynamics Corp Reel-type control rod drive and brake and braking mechanism
US3232841A (en) * 1963-05-06 1966-02-01 Gen Dynamics Corp Nuclear reactor control rod drive mechanism
DE1223469B (en) * 1962-11-12 1966-08-25 Alsacienne Atom Device for moving control rods for nuclear reactors

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB932171A (en) * 1959-02-10 1963-07-24 English Electric Co Ltd Improvements relating to nuclear reactors

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1223469B (en) * 1962-11-12 1966-08-25 Alsacienne Atom Device for moving control rods for nuclear reactors
US3359811A (en) * 1962-11-12 1967-12-26 Alsacienne Atom Drive mechanism for nuclear reactor control rods
US3202580A (en) * 1963-02-11 1965-08-24 Gen Dynamics Corp Reel-type control rod drive and brake and braking mechanism
US3232841A (en) * 1963-05-06 1966-02-01 Gen Dynamics Corp Nuclear reactor control rod drive mechanism

Also Published As

Publication number Publication date
ES235396A1 (en) 1958-04-16
BE557264A (en) 1900-01-01

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