IT8422699A0 - Valvola di sicurezza pilota azionata a pressione di modulazione. - Google Patents
Valvola di sicurezza pilota azionata a pressione di modulazione.Info
- Publication number
- IT8422699A0 IT8422699A0 IT8422699A IT2269984A IT8422699A0 IT 8422699 A0 IT8422699 A0 IT 8422699A0 IT 8422699 A IT8422699 A IT 8422699A IT 2269984 A IT2269984 A IT 2269984A IT 8422699 A0 IT8422699 A0 IT 8422699A0
- Authority
- IT
- Italy
- Prior art keywords
- safety valve
- valve operated
- modulation pressure
- pilot safety
- pilot
- Prior art date
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
-
- 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
-
- 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
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/124—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston servo actuated
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Control Of Fluid Pressure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/534,594 US4615356A (en) | 1983-09-22 | 1983-09-22 | Modulating pressure operated pilot relief valve |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8422699A0 true IT8422699A0 (it) | 1984-09-18 |
IT1175755B IT1175755B (it) | 1987-07-15 |
Family
ID=24130728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22699/84A IT1175755B (it) | 1983-09-22 | 1984-09-18 | Valvola di sicurezza pilota azionata a pressione di modulazione |
Country Status (10)
Country | Link |
---|---|
US (1) | US4615356A (it) |
EP (1) | EP0139149B1 (it) |
JP (1) | JPS60156119A (it) |
KR (1) | KR920005766B1 (it) |
AU (1) | AU579322B2 (it) |
CA (1) | CA1227395A (it) |
DE (1) | DE3482484D1 (it) |
IN (1) | IN160741B (it) |
IT (1) | IT1175755B (it) |
MX (1) | MX160294A (it) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4791955A (en) * | 1983-09-22 | 1988-12-20 | Dresser Industries, Inc. | Modulating pressure operated pilot relief valve |
US4722361A (en) * | 1983-09-22 | 1988-02-02 | Vapor Corporation | Modulating pressure operated pilot relief valve |
FR2591706B1 (fr) * | 1985-12-16 | 1988-07-22 | Commissariat Energie Atomique | Soupape de surete a pilotage integre |
GB2193349B (en) * | 1986-02-26 | 1990-10-03 | Leonard William Lamburn | A means applied to fluid pressure protected systems, to ensure relief and/or safety (r/s)valve preset pneumatic assistance, irrespective of preset valve lift |
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 |
AU650950B2 (en) * | 1991-03-14 | 1994-07-07 | Dresser Industries Inc. | Method and apparatus for determining set pressure of pilot operated pressure relief valve |
US5174321A (en) * | 1991-03-14 | 1992-12-29 | Dresser Industries, Inc. | Method and apparatus for determining set pressure of pilot operated pressure relief valve |
US5282491A (en) * | 1992-06-29 | 1994-02-01 | Keystone International Holdings Corp. | Fluid pressure relief system for pressure vessels |
US5590684A (en) * | 1995-09-01 | 1997-01-07 | Keystone International Holdings Corporation | Dual pilot manifold assembly for a safety relief valve |
US5842501A (en) * | 1996-08-23 | 1998-12-01 | Flow Safe, Inc. | Pilot operated safety relief valve |
US6318406B1 (en) | 2000-03-14 | 2001-11-20 | Tyco Flow Control, Inc. | Pilot operated relief valve |
WO2010033119A1 (en) * | 2008-09-19 | 2010-03-25 | Kiddie-Fenwal, Inc. | Dispensing valve and method for dispensing a fluid under pressure |
US9033306B2 (en) | 2011-03-18 | 2015-05-19 | Gaither Tool Company, Inc. | Rapid opening gas valve |
US10266019B2 (en) | 2011-03-18 | 2019-04-23 | Gaither Tool Company, Inc. | Rapid opening gas valve |
US9080832B2 (en) | 2013-05-09 | 2015-07-14 | Gaither Tool Company, Inc. | Quick-release valve air gun |
MX365988B (es) * | 2013-08-06 | 2019-05-30 | Arturo Flores Leija Hugo | Sistema de apertura y cierre para fluidos presurizados. |
US11273677B2 (en) | 2018-09-18 | 2022-03-15 | Gaither Tool Company, Inc. | Advanced rapid air release valve pneumatic tire seater |
US11079037B2 (en) | 2017-11-21 | 2021-08-03 | Gaither Tool Company, Incorporated | Rapid opening gas valve |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2877791A (en) * | 1955-08-15 | 1959-03-17 | Fisher Governor Co | Flexible diaphragm flow control valve |
US3083726A (en) * | 1959-09-04 | 1963-04-02 | Cameron Iron Works Inc | High and low pressure responsive cut-off valve |
DK151077C (da) * | 1974-10-11 | 1988-04-05 | Dansk Ind Syndikat | Fluidumstyret ventil |
CH589815A5 (it) * | 1975-03-20 | 1977-07-15 | Sulzer Ag | |
CH586364A5 (en) * | 1975-04-30 | 1977-03-31 | Bbc Brown Boveri & Cie | Single seat throttle valve - is controlled by two servos one acting directly, other through secondary servo valve |
FR2420701A2 (fr) * | 1978-03-21 | 1979-10-19 | Gemignani Francois | Dispositif de detection de pression et de pilotage d'une soupape de surete |
US4355657A (en) * | 1978-09-18 | 1982-10-26 | Vapor Corporation | Pilot operated relief valve |
US4402341A (en) * | 1981-02-13 | 1983-09-06 | Vapor Corporation | Pilot operated relief valve |
US4384590A (en) * | 1981-06-03 | 1983-05-24 | Crosby Valve & Gage Company | Pressure responsive pilot valve |
-
1983
- 1983-09-22 US US06/534,594 patent/US4615356A/en not_active Expired - Fee Related
-
1984
- 1984-07-11 IN IN566/DEL/84A patent/IN160741B/en unknown
- 1984-07-25 AU AU31126/84A patent/AU579322B2/en not_active Ceased
- 1984-07-30 JP JP59160160A patent/JPS60156119A/ja active Pending
- 1984-08-17 DE DE8484109835T patent/DE3482484D1/de not_active Expired - Fee Related
- 1984-08-17 EP EP84109835A patent/EP0139149B1/de not_active Expired - Lifetime
- 1984-08-22 MX MX202470A patent/MX160294A/es unknown
- 1984-08-28 CA CA000461983A patent/CA1227395A/en not_active Expired
- 1984-09-18 IT IT22699/84A patent/IT1175755B/it active
- 1984-09-20 KR KR1019840005747A patent/KR920005766B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA1227395A (en) | 1987-09-29 |
EP0139149A3 (en) | 1986-12-30 |
KR920005766B1 (ko) | 1992-07-18 |
AU579322B2 (en) | 1988-11-24 |
EP0139149B1 (de) | 1990-06-13 |
DE3482484D1 (de) | 1990-07-19 |
IN160741B (it) | 1987-08-01 |
US4615356A (en) | 1986-10-07 |
KR850002892A (ko) | 1985-05-20 |
IT1175755B (it) | 1987-07-15 |
JPS60156119A (ja) | 1985-08-16 |
EP0139149A2 (de) | 1985-05-02 |
MX160294A (es) | 1990-01-25 |
AU3112684A (en) | 1985-03-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950921 |