ES8702704A1 - Dispositivo de control de velocidad para varilla de control - Google Patents
Dispositivo de control de velocidad para varilla de controlInfo
- 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
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)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Turbines (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Friction Gearing (AREA)
- Pyrrole Compounds (AREA)
- Superconductors And Manufacturing Methods Therefor (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.
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)
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)
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 |
-
1984
- 1984-09-04 US US06/646,761 patent/US4624826A/en not_active Expired - Lifetime
-
1985
- 1985-08-21 IT IT8521961A patent/IT1215304B/it active
- 1985-08-29 ES ES546539A patent/ES8702704A1/es not_active Expired
- 1985-08-30 JP JP60190041A patent/JPS6176984A/ja active Granted
- 1985-08-30 SE SE8504049A patent/SE463586B/sv not_active IP Right Cessation
- 1985-08-31 DE DE19853531232 patent/DE3531232A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0556471B2 (es) | 1993-08-19 |
DE3531232A1 (de) | 1986-03-06 |
SE8504049D0 (sv) | 1985-08-30 |
JPS6176984A (ja) | 1986-04-19 |
IT8521961A0 (it) | 1985-08-21 |
ES546539A0 (es) | 1986-12-16 |
US4624826A (en) | 1986-11-25 |
SE8504049L (sv) | 1986-03-05 |
DE3531232C2 (es) | 1989-12-21 |
SE463586B (sv) | 1990-12-10 |
IT1215304B (it) | 1990-01-31 |
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