SE8105574L - Pilotstyrd avlastningsventil - Google Patents
Pilotstyrd avlastningsventilInfo
- Publication number
- SE8105574L SE8105574L SE8105574A SE8105574A SE8105574L SE 8105574 L SE8105574 L SE 8105574L SE 8105574 A SE8105574 A SE 8105574A SE 8105574 A SE8105574 A SE 8105574A SE 8105574 L SE8105574 L SE 8105574L
- Authority
- SE
- Sweden
- Prior art keywords
- valve
- pilot
- relief valve
- main
- stage
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/14—Control of fluid pressure with auxiliary non-electric power
- G05D16/16—Control of fluid pressure with auxiliary non-electric power derived from the controlled fluid
- G05D16/166—Control of fluid pressure with auxiliary non-electric power derived from the controlled fluid using pistons within the main 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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
-
- 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
- F16K17/105—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 using choking or throttling means to control the fluid operation of the main valve
-
- 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
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2544—Supply and exhaust type
-
- 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
- Y10T137/7738—Pop valves
-
- 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
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
- Y10T137/7769—Single acting fluid servo
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Safety Valves (AREA)
- Details Of Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/192,312 US4355657A (en) | 1978-09-18 | 1980-09-30 | Pilot operated relief valve |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8105574L true SE8105574L (sv) | 1982-03-31 |
SE450594B SE450594B (sv) | 1987-07-06 |
Family
ID=22709138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8105574A SE450594B (sv) | 1980-09-30 | 1981-09-21 | En tvastegs pilotventil for styrning av en balanserande huvudventil |
Country Status (9)
Country | Link |
---|---|
US (1) | US4355657A (sv) |
JP (1) | JPS5761869A (sv) |
BR (1) | BR8106237A (sv) |
CA (1) | CA1159337A (sv) |
FR (1) | FR2491186B1 (sv) |
GB (1) | GB2084301B (sv) |
IN (1) | IN164751B (sv) |
MX (1) | MX153935A (sv) |
SE (1) | SE450594B (sv) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2532033B1 (fr) * | 1982-08-17 | 1986-03-14 | Gemignani Andre | Soupape de securite pilotee |
FR2542412B1 (fr) * | 1983-03-08 | 1985-08-16 | Fmc Europe | Dispositif de protection a l'egard d'une elevation dangereuse de temperature et installations a circuit de fluide le comportant |
US4881571A (en) * | 1983-09-22 | 1989-11-21 | Dresser Industries, Inc. | Modulating pressure operated pilot relief valve |
US4615356A (en) * | 1983-09-22 | 1986-10-07 | Vapor Corporation | Modulating pressure operated pilot relief valve |
US4586533A (en) * | 1985-07-01 | 1986-05-06 | Crosby Valve & Gage Company | Non-flowing modulating pilot operated relief valve |
US4901758A (en) * | 1986-06-27 | 1990-02-20 | Cook Daniel E | Device for the remote control of pneumatically operated mechanisms, which has fast, high resolution response over a broad range of pressures and which is insensitive to position or vibration |
US4848397A (en) * | 1988-06-20 | 1989-07-18 | Keystone International, Inc. | High temperature safety relief system |
US4917144A (en) * | 1989-02-07 | 1990-04-17 | Dresser Industries, Inc. | Modulating pilot operated safety relief valve for low pressure application |
US5246030A (en) * | 1992-12-21 | 1993-09-21 | Westinghouse Air Brake Company | Safety valve arrangement |
AU710544B2 (en) * | 1996-04-29 | 1999-09-23 | Dresser Industries Inc. | Pilot-operated safety relief valve assembly |
US6161570A (en) * | 1999-06-01 | 2000-12-19 | Tyco Flow Control, Inc. | Pilot-operated relief valve |
US6386227B1 (en) * | 1999-09-14 | 2002-05-14 | Flow Safe, Inc. | Non-flowing pilot valve |
US6192924B1 (en) | 2000-01-19 | 2001-02-27 | Tyco Flow Control, Inc. | Pilot operated relief valve |
US6769880B1 (en) | 2002-09-19 | 2004-08-03 | Mangonel Corporation | Pressure blowdown system for oil injected rotary screw air compressor |
KR100935454B1 (ko) | 2007-12-26 | 2010-01-06 | 주식회사 대흥이엔텍 | 파일럿 타입 릴리프밸브 |
CN102620017A (zh) * | 2012-03-29 | 2012-08-01 | 天正阀门有限公司 | 高压电磁气控泄压阀 |
RU2610838C2 (ru) * | 2015-03-03 | 2017-02-16 | Открытое акционерное общество "Московское Центральное конструкторское бюро арматуростроения" (ОАО "МосЦКБА") | Способ управления главным предохранительным клапаном, устройство для его осуществления, предохранительный сбросной спецклапан и спецклапан выравнивания давления |
CN108006282B (zh) * | 2017-11-17 | 2023-12-15 | 北京航天石化技术装备工程有限公司 | 一种气动先导式爆破型泄压装置 |
US11306838B2 (en) * | 2020-03-27 | 2022-04-19 | Dresser, Llc | Pilot-operated pressure relief valve nozzle |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE359434C (de) * | 1918-02-14 | 1922-09-22 | Brann & Wolff | Hochhub-Sicherheitsventil |
US2165611A (en) * | 1937-09-01 | 1939-07-11 | New York Air Brake Co | Pop valve |
US2644480A (en) * | 1948-10-27 | 1953-07-07 | Clarence E Earle | Fluid valve |
US3074425A (en) * | 1959-03-20 | 1963-01-22 | Ralph E Kikendall | Snap acting safety valve |
US3568706A (en) * | 1969-02-06 | 1971-03-09 | Anderson Greenwood & Co | Pressure relieving system |
US3605793A (en) * | 1969-07-18 | 1971-09-20 | John W Kinsel | Safety relief valve |
US3726301A (en) * | 1970-12-21 | 1973-04-10 | Lonergan J Co | Pilot valve |
US3702141A (en) * | 1971-02-22 | 1972-11-07 | Dresser Ind | Gas type safety valve |
US3754566A (en) * | 1971-04-12 | 1973-08-28 | Brevets Pour L Ind & La Marine | Safety valve |
US4172466A (en) * | 1977-07-01 | 1979-10-30 | Target Rock Corporation | Self-actuated pilot-controlled safety valve |
WO1980000625A1 (en) * | 1978-09-18 | 1980-04-03 | Vapor Corp | Pilot operated relief valve |
US4213021A (en) * | 1979-01-19 | 1980-07-15 | Aeroquip Corporation | Indicating check valve |
-
1980
- 1980-09-30 US US06/192,312 patent/US4355657A/en not_active Expired - Lifetime
-
1981
- 1981-04-02 JP JP56049994A patent/JPS5761869A/ja active Granted
- 1981-06-23 IN IN402/DEL/81A patent/IN164751B/en unknown
- 1981-09-21 SE SE8105574A patent/SE450594B/sv not_active IP Right Cessation
- 1981-09-29 BR BR8106237A patent/BR8106237A/pt not_active IP Right Cessation
- 1981-09-29 CA CA000386887A patent/CA1159337A/en not_active Expired
- 1981-09-29 FR FR8118286A patent/FR2491186B1/fr not_active Expired
- 1981-09-30 GB GB8129482A patent/GB2084301B/en not_active Expired
- 1981-09-30 MX MX189418A patent/MX153935A/es unknown
Also Published As
Publication number | Publication date |
---|---|
BR8106237A (pt) | 1982-06-15 |
JPS5761869A (en) | 1982-04-14 |
IN164751B (sv) | 1989-05-20 |
SE450594B (sv) | 1987-07-06 |
GB2084301B (en) | 1985-07-03 |
FR2491186B1 (fr) | 1986-06-13 |
MX153935A (es) | 1987-02-24 |
GB2084301A (en) | 1982-04-07 |
FR2491186A1 (fr) | 1982-04-02 |
US4355657A (en) | 1982-10-26 |
CA1159337A (en) | 1983-12-27 |
JPH031552B2 (sv) | 1991-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8105574-1 Effective date: 19891006 Format of ref document f/p: F |