ES8702704A1 - Dispositivo de control de velocidad para varilla de control - Google Patents

Dispositivo de control de velocidad para varilla de control

Info

Publication number
ES8702704A1
ES8702704A1 ES546539A ES546539A ES8702704A1 ES 8702704 A1 ES8702704 A1 ES 8702704A1 ES 546539 A ES546539 A ES 546539A ES 546539 A ES546539 A ES 546539A ES 8702704 A1 ES8702704 A1 ES 8702704A1
Authority
ES
Spain
Prior art keywords
fluid
movement
opposite direction
control rod
control member
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
ES546539A
Other languages
English (en)
Other versions
ES546539A0 (es
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of ES8702704A1 publication Critical patent/ES8702704A1/es
Publication of ES546539A0 publication Critical patent/ES546539A0/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G21C7/16—Hydraulic or pneumatic drive
    • 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)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Control Of Turbines (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Friction Gearing (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Pyrrole Compounds (AREA)

Abstract

DISPOSITIVO PARA CONTROLAR LA VELOCIDAD EN UNA VARILLA DE CONTROL. CONSTA DE UN ELEMENTO DE CONTROL (126) DE FORMA TOROIDAL QUE ESTA DISPUESTO DE MANERA COAXIAL ALREDEDOR DE UN CASQUILLO (116) Y ESTA SOPORTADO POR UNA PLURALIDAD DE PLACAS (129) DISPUESTAS RADIALMENTE, PROPORCIONANDO DICHA DISPOSICION UN PASO INTERNO (43) PARA EL FLUIDO, ENTRE EL ELEMENTO (126) Y EL CASQUILLO (116), Y UN PASO EXTERNO (44) PARA EL FLUIDO ENTRE EL ELEMENTO (116) Y LA PARED INTERNA DEL TUBO DE GUIA; Y DE UNAS ALETAS ANULARES INTERNAS Y EXTERNAS (48, 49) QUE FORMAN UNA BOQUILLA ANULAR PARA DIRIGIR UNA CORRIENTE DE FLUIDO A MAYOR VELOCIDAD HACIA EL BORDE COMUN (51) DE LOS SURCOS (46, 47) DE DICHAS ALETAS.
ES546539A 1984-09-04 1985-08-29 Dispositivo de control de velocidad para varilla de control Expired ES8702704A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/646,761 US4624826A (en) 1984-09-04 1984-09-04 Control rod velocity limiter

Publications (2)

Publication Number Publication Date
ES8702704A1 true ES8702704A1 (es) 1986-12-16
ES546539A0 ES546539A0 (es) 1986-12-16

Family

ID=24594358

Family Applications (1)

Application Number Title Priority Date Filing Date
ES546539A Expired ES8702704A1 (es) 1984-09-04 1985-08-29 Dispositivo de control de velocidad para varilla de control

Country Status (6)

Country Link
US (1) US4624826A (es)
JP (1) JPS6176984A (es)
DE (1) DE3531232A1 (es)
ES (1) ES8702704A1 (es)
IT (1) IT1215304B (es)
SE (1) SE463586B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5237595A (en) * 1990-02-26 1993-08-17 Westinghouse Electric Corp. Guide plate for guide tubes used in nuclear reactors
US5110535A (en) * 1990-07-10 1992-05-05 General Electric Company Turbine-driven control rod drive
US6396893B1 (en) * 1999-10-27 2002-05-28 General Electric Company Apparatus and method for adjusting the weight of a velocity limiter for a control rod of a nuclear reactor
EP1916667B1 (en) * 2001-04-05 2013-05-01 Mitsubishi Heavy Industries, Ltd. Fuel assembly and thimble screw of the same
JP5237206B2 (ja) * 2009-06-23 2013-07-17 日立Ｇｅニュークリア・エナジー株式会社 沸騰水型原子炉

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3020887A (en) * 1959-07-01 1962-02-13 Gen Electric Linear motion-producing device and improved locking means therefor
US3397759A (en) * 1965-09-15 1968-08-20 Gen Electric Velocity limiter
US3395781A (en) * 1965-10-23 1968-08-06 Gen Electric Velocity limiter
JPS5274796A (en) * 1975-12-19 1977-06-23 Toshiba Corp Decelation device of control rod dropping velocity in reactor

Also Published As

Publication number Publication date
SE463586B (sv) 1990-12-10
JPH0556471B2 (es) 1993-08-19
JPS6176984A (ja) 1986-04-19
DE3531232A1 (de) 1986-03-06
SE8504049D0 (sv) 1985-08-30
ES546539A0 (es) 1986-12-16
US4624826A (en) 1986-11-25
DE3531232C2 (es) 1989-12-21
SE8504049L (sv) 1986-03-05
IT1215304B (it) 1990-01-31
IT8521961A0 (it) 1985-08-21

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