DE3269808D1 - Pilot device of a safety valve - Google Patents
Pilot device of a safety valveInfo
- Publication number
- DE3269808D1 DE3269808D1 DE8282401337T DE3269808T DE3269808D1 DE 3269808 D1 DE3269808 D1 DE 3269808D1 DE 8282401337 T DE8282401337 T DE 8282401337T DE 3269808 T DE3269808 T DE 3269808T DE 3269808 D1 DE3269808 D1 DE 3269808D1
- Authority
- DE
- Germany
- Prior art keywords
- communication
- valve
- vessel
- slide
- drain
- 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
-
- 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
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure 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
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
- Y10T137/7769—Single acting fluid servo
- Y10T137/777—Spring biased
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
- Fluid-Driven Valves (AREA)
- Sliding Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8113970A FR2509833A1 (fr) | 1981-07-17 | 1981-07-17 | Dispositif de pilotage de soupape de surete |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3269808D1 true DE3269808D1 (en) | 1986-04-17 |
Family
ID=9260615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282401337T Expired DE3269808D1 (en) | 1981-07-17 | 1982-07-16 | Pilot device of a safety valve |
Country Status (6)
Country | Link |
---|---|
US (1) | US4458716A (de) |
EP (1) | EP0070778B1 (de) |
AT (1) | ATE18597T1 (de) |
DE (1) | DE3269808D1 (de) |
FR (1) | FR2509833A1 (de) |
IN (1) | IN157326B (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4570719A (en) * | 1984-06-01 | 1986-02-18 | Grinnell Fire Protection Systems Company, Inc. | Dry pipe valve accelerator |
US4905727A (en) * | 1988-12-30 | 1990-03-06 | Teledyne Industries, Inc. | Non-flowing modulating pilot operated relief valve |
US4957136A (en) * | 1988-12-30 | 1990-09-18 | Teledyne Industries, Inc. | Non-flowing modulating pilot operated relief valve |
US5725015A (en) * | 1996-03-14 | 1998-03-10 | Dresser Industries, Inc. | Pilot-operated safety relief valve assembly |
US6832628B2 (en) * | 2000-10-11 | 2004-12-21 | Flowmatrix, Inc. | Variable pressure regulated flow controllers |
WO2010045246A1 (en) * | 2008-10-14 | 2010-04-22 | Circor Instrumentation Technologies, Inc. | Method and apparatus for low powered and/or high pressure flow control |
US20110226354A1 (en) * | 2010-03-17 | 2011-09-22 | Petur Thordarson | Flow Controller |
CN104141814B (zh) * | 2014-07-16 | 2016-07-20 | 开封市瑞发高中压阀门有限公司 | 三套弹性自密封安全阀 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1054358A (fr) * | 1951-02-06 | 1954-02-10 | Electraulic Presses Ltd | Perfectionnements aux soupapes de décharge réglables |
FR1577361A (de) * | 1968-04-05 | 1969-08-08 | ||
GB1264119A (de) * | 1968-05-10 | 1972-02-16 | ||
US3754566A (en) * | 1971-04-12 | 1973-08-28 | Brevets Pour L Ind & La Marine | Safety valve |
JPS55500693A (de) * | 1978-09-18 | 1980-09-25 | ||
US4390041A (en) * | 1978-09-18 | 1983-06-28 | Vapor Corporation | Pilot operated relief valve |
-
1981
- 1981-07-17 FR FR8113970A patent/FR2509833A1/fr active Granted
-
1982
- 1982-07-13 US US06/397,858 patent/US4458716A/en not_active Expired - Fee Related
- 1982-07-16 EP EP19820401337 patent/EP0070778B1/de not_active Expired
- 1982-07-16 AT AT82401337T patent/ATE18597T1/de active
- 1982-07-16 DE DE8282401337T patent/DE3269808D1/de not_active Expired
- 1982-12-18 IN IN1465/CAL/82A patent/IN157326B/en unknown
Also Published As
Publication number | Publication date |
---|---|
ATE18597T1 (de) | 1986-03-15 |
FR2509833A1 (fr) | 1983-01-21 |
US4458716A (en) | 1984-07-10 |
EP0070778B1 (de) | 1986-03-12 |
FR2509833B1 (de) | 1983-12-02 |
EP0070778A1 (de) | 1983-01-26 |
IN157326B (de) | 1986-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8380 | Miscellaneous part iii |
Free format text: DER PATENTINHABER LAUTET RICHTIG: R.S.B.D., VIERZON, FR |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |