JP7461733B2 - 減圧弁 - Google Patents
減圧弁 Download PDFInfo
- Publication number
- JP7461733B2 JP7461733B2 JP2019224834A JP2019224834A JP7461733B2 JP 7461733 B2 JP7461733 B2 JP 7461733B2 JP 2019224834 A JP2019224834 A JP 2019224834A JP 2019224834 A JP2019224834 A JP 2019224834A JP 7461733 B2 JP7461733 B2 JP 7461733B2
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- Prior art keywords
- valve
- main
- pressure
- main chamber
- cooling circuit
- Prior art date
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- 239000012530 fluid Substances 0.000 claims description 39
- 239000002826 coolant Substances 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 20
- 238000002955 isolation Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 230000005496 eutectics Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 239000013529 heat transfer fluid Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 moderator Substances 0.000 description 1
- 230000005258 radioactive decay Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
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- 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
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
-
- 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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve
-
- 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
- G21C9/004—Pressure suppression
-
- 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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
- F16K15/1826—Check valves which can be actuated by a pilot valve
-
- 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
- F16K17/003—Safety valves; Equalising valves, e.g. pressure relief valves reacting to pressure and temperature
-
- 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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/048—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded combined with other safety valves, or with pressure control devices
-
- 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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0486—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with mechanical actuating means
-
- 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
- F16K17/34—Excess-flow valves in which the flow-energy of the flowing medium actuates the closing mechanism
-
- 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
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
-
- 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
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
- F16K17/383—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature the valve comprising fusible, softening or meltable elements, e.g. used as link, blocking element, seal, closure plug
-
- 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
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
-
- 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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
-
- 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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
- F16K31/084—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet the magnet being used only as a holding element to maintain the valve in a specific position, e.g. check 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
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C13/00—Pressure vessels; Containment vessels; Containment in general
- G21C13/02—Details
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/18—Emergency cooling arrangements; Removing shut-down heat
-
- 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
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7737—Thermal responsive
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Safety Valves (AREA)
- Fluid-Driven Valves (AREA)
- Control Of Fluid Pressure (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Description
Claims (8)
- 加圧水型の原子炉用の非常炉心冷却装置の冷却回路であって、
主弁を有した主室と、二次弁を有したパイロットラインと、ブローダウンラインとを具備した減圧弁と、
自動隔離弁と、
を備え、
前記冷却装置の経路を密封するように前記主弁が設置されており、
前記主室は、冷却材が当該主室へ流入するのを可能とする前記パイロットラインを介して前記冷却回路に接続され、前記ブローダウンラインは、前記主室から冷却材が流出するのを可能とし、前記パイロットラインは、前記ブローダウンラインよりも低い流体抵抗を有しており、
前記冷却回路において、前記減圧弁は前記原子炉から延びる放出管に配置され、前記自動隔離弁の上流にあり、前記減圧弁と前記自動隔離弁の両方は、前記原子炉の停止を必要とする事故状態の場合に前記原子炉の主冷却系を減圧するために開く必要があり、
通常運転条件においては、前記主室内の冷却材の圧力によって前記主弁が閉鎖位置に保たれ、
前記通常運転条件に対して上昇した温度および/または圧力の条件下では、前記パイロットラインにおける前記二次弁の閉鎖によって流体が前記主室へ流入することが妨げられ、
前記ブローダウンラインは、流体が前記主室から流出することを可能とし、それに伴って前記主弁から圧力が低減されて、前記主弁が自らの開放位置へと動かされ、流体が前記冷却回路から排出されることが可能となる、冷却回路。 - 前記パイロットラインにおける前記二次弁は、マグノー弁である、請求項1に記載の冷却回路。
- 前記パイロットラインにおける前記二次弁は、高圧ラッチ形隔離弁である、請求項1に記載の冷却回路。
- 前記パイロットラインにおける前記二次弁は、溶栓弁である、請求項1に記載の冷却回路。
- 前記パイロットラインにおける前記二次弁は、共融弁である、請求項1に記載の冷却回路。
- 前記主室を前記パイロットラインから更に密封するのにパイロット式ポペット弁が用いられている、請求項1に記載の冷却回路。
- 前記ブローダウンラインは、前記主室の外側の場所に設けられている、請求項1に記載の冷却回路。
- 前記ブローダウンラインは、前記主室の内側の場所に設けられている、請求項1に記載の冷却回路。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1820328.1 | 2018-12-13 | ||
GBGB1820328.1A GB201820328D0 (en) | 2018-12-13 | 2018-12-13 | Depressurisation valve |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020098599A JP2020098599A (ja) | 2020-06-25 |
JP7461733B2 true JP7461733B2 (ja) | 2024-04-04 |
Family
ID=65147327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019224834A Active JP7461733B2 (ja) | 2018-12-13 | 2019-12-12 | 減圧弁 |
Country Status (9)
Country | Link |
---|---|
US (2) | US11521758B2 (ja) |
EP (2) | EP3667677B1 (ja) |
JP (1) | JP7461733B2 (ja) |
KR (1) | KR20200073162A (ja) |
CN (1) | CN111322440A (ja) |
CA (1) | CA3064907A1 (ja) |
GB (1) | GB201820328D0 (ja) |
HU (1) | HUE058961T2 (ja) |
PL (1) | PL3667677T3 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022063014A (ja) * | 2020-10-09 | 2022-04-21 | 三菱重工業株式会社 | 原子炉ユニット及び原子炉ユニットの冷却方法 |
CN113571211B (zh) * | 2021-07-06 | 2023-12-19 | 中国核电工程有限公司 | 反应堆超压保护系统及方法、核电系统及其一回路系统 |
GB2602375A (en) | 2021-08-19 | 2022-06-29 | Rolls Royce Smr Ltd | Depressurisation valve |
GB2602376A (en) | 2021-08-19 | 2022-06-29 | Rolls Royce Smr Ltd | Depressurisation valve |
CN115585295B (zh) * | 2022-09-22 | 2024-05-03 | 安庆杰曼汽车科技有限公司 | 一种氢燃料电池的氢气流量控制装置及其控制方法 |
CN116502561B (zh) * | 2023-05-16 | 2024-04-05 | 江南阀门有限公司 | 一种提升双阀组阀门耐压等级的方法及系统 |
CN116518140B (zh) * | 2023-05-16 | 2023-11-17 | 江南阀门有限公司 | 一种提升核动力安全双组阀性能的方法 |
Citations (2)
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US20100043899A1 (en) | 2007-04-25 | 2010-02-25 | Rolls-Royce Plc | Arrangement for controlling flow of fluid to a gas turbine engine component |
US20150194225A1 (en) | 2014-01-06 | 2015-07-09 | Babcock & Wilcox Mpower, Inc. | Passively initiated depressurization for light water reactor |
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US2232502A (en) * | 1938-09-06 | 1941-02-18 | Chicago By Products Corp | Apparatus for controlling fluid flow |
US3766940A (en) * | 1971-08-25 | 1973-10-23 | Exxon Production Research Co | Pressure latching check valve |
DE3334189C2 (de) * | 1983-09-22 | 1986-04-10 | Integral Hydraulik & Co, 4000 Düsseldorf | Abschaltventil |
EP0197291A1 (en) * | 1985-03-04 | 1986-10-15 | Andrzej Kamil Drukier | An automatic system and a method for reactivity control in a nuclear reactor |
CN2037419U (zh) * | 1988-07-29 | 1989-05-10 | 大连理工大学 | 先导式安全阀 |
US5028383A (en) * | 1990-04-16 | 1991-07-02 | General Electric Company | Nuclear reactor steam depressurization valve |
IT1276043B1 (it) * | 1994-03-09 | 1997-10-24 | Finmeccanica Spa Azienda Ansal | Sistema di depressurizzazione di impianti operanti con vapore in pressione |
SE535781C2 (sv) * | 2011-04-29 | 2012-12-18 | Scania Cv Ab | Kylsystem för kylning av en förbränningsmotor |
US10366796B2 (en) * | 2014-05-05 | 2019-07-30 | Asvad Int, S.L. | Passive depressurization system for pressurized containers |
JP2016003901A (ja) | 2014-06-16 | 2016-01-12 | 日立Geニュークリア・エナジー株式会社 | 原子炉の自動減圧装置 |
CN104358917B (zh) * | 2014-11-05 | 2017-03-01 | 北京航天石化技术装备工程有限公司 | 带独立气源控制的先导式安全阀 |
CN108223867A (zh) | 2017-12-27 | 2018-06-29 | 杭州春江阀门有限公司 | 一种新型减压阀 |
GB201820330D0 (en) * | 2018-12-13 | 2019-01-30 | Rolls Royce Plc | Depressurisation valve |
-
2018
- 2018-12-13 GB GBGB1820328.1A patent/GB201820328D0/en not_active Ceased
-
2019
- 2019-11-15 EP EP19209340.9A patent/EP3667677B1/en active Active
- 2019-11-15 PL PL19209340T patent/PL3667677T3/pl unknown
- 2019-11-15 HU HUE19209340A patent/HUE058961T2/hu unknown
- 2019-11-15 EP EP21187699.0A patent/EP3937188A1/en active Pending
- 2019-11-20 US US16/689,481 patent/US11521758B2/en active Active
- 2019-12-12 CA CA3064907A patent/CA3064907A1/en active Pending
- 2019-12-12 JP JP2019224834A patent/JP7461733B2/ja active Active
- 2019-12-13 CN CN201911292800.4A patent/CN111322440A/zh active Pending
- 2019-12-13 KR KR1020190166747A patent/KR20200073162A/ko active Search and Examination
-
2022
- 2022-06-28 US US17/851,682 patent/US11742100B2/en active Active
Patent Citations (2)
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JP2020098599A (ja) | 2020-06-25 |
CN111322440A (zh) | 2020-06-23 |
KR20200073162A (ko) | 2020-06-23 |
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US20200194134A1 (en) | 2020-06-18 |
US11742100B2 (en) | 2023-08-29 |
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