JPH0141872B2 - - Google Patents
Info
- Publication number
- JPH0141872B2 JPH0141872B2 JP56183901A JP18390181A JPH0141872B2 JP H0141872 B2 JPH0141872 B2 JP H0141872B2 JP 56183901 A JP56183901 A JP 56183901A JP 18390181 A JP18390181 A JP 18390181A JP H0141872 B2 JPH0141872 B2 JP H0141872B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- conduit
- chamber
- medium
- pressure relief
- 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
- 238000002955 isolation Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000002730 additional effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
- G21D1/02—Arrangements of auxiliary equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
- F01D17/145—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path by means of valves, e.g. for steam turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/38—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side
- F16K31/383—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side the fluid acting on a piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/40—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
-
- 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
-
- 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
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87096—Valves with separate, correlated, actuators
- Y10T137/87121—Coaxial stems
-
- 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
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87265—Dividing into parallel flow paths with recombining
- Y10T137/87378—Second valve assembly carried by first valve head
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Fluid-Driven Valves (AREA)
- Check Valves (AREA)
- Lift Valve (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
- Safety Valves (AREA)
- Multiple-Way Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH9394/80A CH652814A5 (de) | 1980-12-19 | 1980-12-19 | Mediumgesteuerte absperrventilanordnung. |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57114073A JPS57114073A (en) | 1982-07-15 |
JPH0141872B2 true JPH0141872B2 (en]) | 1989-09-07 |
Family
ID=4351531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56183901A Granted JPS57114073A (en) | 1980-12-19 | 1981-11-18 | Stop valve controlled by self-medium |
Country Status (7)
Country | Link |
---|---|
US (1) | US4490836A (en]) |
EP (1) | EP0054602B1 (en]) |
JP (1) | JPS57114073A (en]) |
CA (1) | CA1177045A (en]) |
CH (1) | CH652814A5 (en]) |
DE (1) | DE3168553D1 (en]) |
ES (1) | ES505835A0 (en]) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH657675A5 (de) * | 1982-09-17 | 1986-09-15 | Sulzer Ag | Druckmediumbetaetigte stellmotoranordnung. |
EP0126291B1 (de) * | 1983-05-19 | 1988-07-27 | GebràDer Sulzer Aktiengesellschaft | Druckmediumbetätigtes Ventil |
DE4206660A1 (de) * | 1992-03-03 | 1993-09-09 | Siemens Ag | Sicherheitseinrichtung gegen ueberdruckversagen eines kernreaktor-druckbehaelters |
EP1167849B1 (de) * | 2000-06-24 | 2005-02-16 | Manfred Dr.-Ing. Veenker | Sicherheitsvorrichtung |
US7000898B2 (en) * | 2003-12-09 | 2006-02-21 | Howard Tak Su Lim | Vertical shut-off valve |
US8353310B2 (en) * | 2008-10-08 | 2013-01-15 | Fisher Controls International, Llc | Valves having removable internal actuation mechanisms |
US9494371B2 (en) * | 2011-12-28 | 2016-11-15 | Liebert Corporation | Pumped refrigerant cooling system with 1+1 to N+1 and built-in redundancy |
US9706685B2 (en) | 2011-12-28 | 2017-07-11 | Liebert Corporation | Cooling system for high density heat loads |
CN102979944A (zh) * | 2012-11-26 | 2013-03-20 | 天脊煤化工集团股份有限公司 | 一种驱动煤加压气化炉灰锁上阀杆动作的方法和驱动装置 |
EP2829685A1 (de) * | 2013-07-25 | 2015-01-28 | Siemens Aktiengesellschaft | Ventil für eine Strömungsmaschine |
US10317917B2 (en) | 2015-07-06 | 2019-06-11 | Emerson Process Management Regulator Technologies, Inc. | Fluid control apparatus having variable area flow restrictor |
US9939068B2 (en) * | 2015-07-06 | 2018-04-10 | Emerson Process Management Regulator Technologies, Inc. | Fluid control apparatus having flow restrictors |
JP7207999B2 (ja) * | 2018-12-28 | 2023-01-18 | 三菱重工業株式会社 | 蒸気弁、発電システム、及び蒸気弁の検査方法 |
CN109780284B (zh) * | 2019-03-06 | 2024-05-24 | 湖南农业大学 | 双液压缸型自力式减压阀 |
EP4370816A1 (en) | 2021-07-16 | 2024-05-22 | Engineered Controls International, LLC | Actuating assembly for an internal valve |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1104921A (fr) * | 1954-05-18 | 1955-11-25 | Pyper Maroc | Dispositif de commande de l'ouverture et de la fermeture des vannes équipées d'un pot de presse |
GB990038A (en) * | 1961-04-13 | 1965-04-22 | Brakeshoe Internat S A | Improvements in high speed fluid control valves |
CH528693A (de) * | 1970-09-01 | 1972-09-30 | Sulzer Ag | Sicherheitsvorrichtung mit einem Ventil, vorzugsweise Absperrventil |
DE2409867B2 (de) * | 1974-03-01 | 1977-12-01 | Kraftwerk Union AG, 4330 Mülheim | Absperr- und sicherheitseinrichtung fuer die frischdampfleitungen eines dampferzeugers |
DE2430724C3 (de) * | 1974-06-26 | 1978-06-08 | Kraftwerk Union Ag, 4330 Muelheim | Steuerbares Ventil |
DE2452135C3 (de) * | 1974-11-02 | 1978-10-26 | G.L. Rexroth Gmbh, 8770 Lohr | Vorgesteuertes Zwei-Wege-Sitzventil |
DE2519376C2 (de) * | 1975-04-30 | 1983-09-22 | Kraftwerk Union AG, 4330 Mülheim | Steuerbares Ventil für eine Frischdampfleitung einer Kernreaktoranlage |
BR7604063A (pt) * | 1975-08-13 | 1977-06-28 | Kraftwerk Union Ag | Instalacao de reator nuclear |
CH625030A5 (en]) * | 1977-02-28 | 1981-08-31 | Kraftwerk Union Ag | |
US4172466A (en) * | 1977-07-01 | 1979-10-30 | Target Rock Corporation | Self-actuated pilot-controlled safety valve |
NO145735C (no) * | 1978-05-19 | 1982-05-26 | Raufoss Ammunisjonsfabrikker | Anordning ved ventil, fortrinnsvis for automatisk vanning av jordbruksomraader |
-
1980
- 1980-12-19 CH CH9394/80A patent/CH652814A5/de not_active IP Right Cessation
-
1981
- 1981-01-28 DE DE8181100602T patent/DE3168553D1/de not_active Expired
- 1981-01-28 EP EP81100602A patent/EP0054602B1/de not_active Expired
- 1981-09-28 ES ES505835A patent/ES505835A0/es active Granted
- 1981-11-18 JP JP56183901A patent/JPS57114073A/ja active Granted
- 1981-12-08 US US06/328,703 patent/US4490836A/en not_active Expired - Lifetime
- 1981-12-10 CA CA000391932A patent/CA1177045A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES8302250A1 (es) | 1983-01-01 |
CA1177045A (en) | 1984-10-30 |
ES505835A0 (es) | 1983-01-01 |
JPS57114073A (en) | 1982-07-15 |
EP0054602A1 (de) | 1982-06-30 |
EP0054602B1 (de) | 1985-01-30 |
DE3168553D1 (en) | 1985-03-14 |
CH652814A5 (de) | 1985-11-29 |
US4490836A (en) | 1984-12-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0141872B2 (en]) | ||
US2841359A (en) | Shut-off valve | |
US2783020A (en) | High-pressure, high capacity pneumatic valve | |
US3028878A (en) | Valve | |
JPS5944545B2 (ja) | 逆止め弁 | |
US4041979A (en) | Control valve having independently driven valves | |
US3493008A (en) | Pressure balanced regulating valve | |
JPS6120751B2 (en]) | ||
US1850094A (en) | Valve | |
US3561481A (en) | Fail-safe servo-controlled mixing valve | |
US4041980A (en) | Control valve having two independently driven valves | |
US3502109A (en) | Quick response pilot operated valve | |
US4078582A (en) | Two-stage control valve | |
US3958600A (en) | Combined starting and rapid shut-off mechanism for steam and gas turbines | |
US4672995A (en) | Redundant pilot valve control system | |
JPH0215721B2 (en]) | ||
US3575213A (en) | Control valves with balanced action | |
US2349069A (en) | Hydraulic pressure control valve unit | |
US3410520A (en) | Butterfly valve with fluid actuated seal | |
JP2814449B2 (ja) | パイロット式安全弁 | |
US3490484A (en) | Valve for high pressure pipe lines | |
US3481356A (en) | Redundant pressure regulating system | |
GB1325661A (en) | Jam-proof and fail operational servo valve for aircraft flight control hydraulic systems | |
US3059621A (en) | Pressure control mechanism | |
EP0919897B1 (en) | A pilot-operated gas pressure regulator with counterbalanced sleeve |