BRPI0803385A2 - válvula de escape do tipo gatilho operada a piloto com baixa taxa de elevação de pressão - Google Patents
válvula de escape do tipo gatilho operada a piloto com baixa taxa de elevação de pressãoInfo
- Publication number
- BRPI0803385A2 BRPI0803385A2 BRPI0803385-4A BRPI0803385A BRPI0803385A2 BR PI0803385 A2 BRPI0803385 A2 BR PI0803385A2 BR PI0803385 A BRPI0803385 A BR PI0803385A BR PI0803385 A2 BRPI0803385 A2 BR PI0803385A2
- Authority
- BR
- Brazil
- Prior art keywords
- low pressure
- pilot
- trigger
- pressure lift
- pilot operated
- 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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
- F16K15/044—Check valves with guided rigid valve members shaped as balls spring-loaded
-
- 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
-
- 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)
- Fluid-Driven Valves (AREA)
Abstract
VáLVULA DE ESCAPE DO TIPO GATILHO OPERADA A PILOTO COM BAIXA TAXA DE ELEVAçãO DE PRESSãO. Uma válvula de escape para uma máquina hidráulica que combina uma montagem de válvula do tipo gatilho e uma montagem de válvula do tipo piloto em conjunto, utilizando um pino de conector no qual passagens internas de fluido dentro das bobinas de gatilho e de piloto provêm uma trajetória de escoamento de fluido entre a entrada da válvula e uma cavidade disposta entre o gatilho e o piloto. Como um resultado das passagens internas, o fluido é medido para a cavidade interior de modo a prover um controle adicional e estabilidade dentro da válvula de escape.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/839,012 US8360096B2 (en) | 2007-08-15 | 2007-08-15 | Low pressure rise rate pilot operated poppet relief valve |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0803385A2 true BRPI0803385A2 (pt) | 2009-04-07 |
Family
ID=40362020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0803385-4A BRPI0803385A2 (pt) | 2007-08-15 | 2008-08-15 | válvula de escape do tipo gatilho operada a piloto com baixa taxa de elevação de pressão |
Country Status (5)
Country | Link |
---|---|
US (1) | US8360096B2 (pt) |
CN (1) | CN101368638A (pt) |
BR (1) | BRPI0803385A2 (pt) |
DE (1) | DE102008038809A1 (pt) |
IT (1) | IT1391279B1 (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010020524A1 (de) * | 2010-05-14 | 2011-11-17 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Restdruckhalteventil und Federbein |
CN102401163A (zh) * | 2010-09-17 | 2012-04-04 | 大连北方互感器集团有限公司 | 油浸式互感器放油阀 |
GB2514061B (en) * | 2012-03-08 | 2017-05-10 | Waters Technologies Corp | Static back pressure regulator |
CN107940051A (zh) * | 2017-11-15 | 2018-04-20 | 宁波文泽机电技术开发有限公司 | 一种快速响应的先导溢流阀 |
WO2021056306A1 (zh) * | 2019-09-26 | 2021-04-01 | 博世力士乐(北京)液压有限公司 | 预压阀和液压换向阀 |
US11149723B2 (en) * | 2019-12-31 | 2021-10-19 | Psg California Llc | Diaphragm pump leak detection |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3608576A (en) * | 1970-01-07 | 1971-09-28 | Circle Seal Corp | Pilot-controlled pressure relief valve |
US3726301A (en) * | 1970-12-21 | 1973-04-10 | Lonergan J Co | Pilot valve |
JPS55112463A (en) * | 1979-02-20 | 1980-08-30 | Kayaba Ind Co Ltd | Pressure control valve |
JPS5620877A (en) * | 1979-07-25 | 1981-02-26 | Kayaba Ind Co Ltd | Pressure control valve |
JPS5737164A (en) | 1980-08-11 | 1982-03-01 | Daikin Ind Ltd | Relief valve |
US4738282A (en) * | 1981-09-28 | 1988-04-19 | Mcdonnell Douglas Corporation | Zero leakage valve |
GB2152635A (en) * | 1984-01-05 | 1985-08-07 | Dobson Park Ind | Valve devices |
US4597410A (en) * | 1985-08-30 | 1986-07-01 | Husco International | Cross line relief valve mechanism |
US4860788A (en) * | 1987-06-29 | 1989-08-29 | Kayaba Industry Co. Ltd. | Metering valve |
DE4118932A1 (de) * | 1991-06-08 | 1992-12-10 | Zahnradfabrik Friedrichshafen | Druckbegrenzungsventil |
US5595209A (en) * | 1995-03-29 | 1997-01-21 | Airtrol Components Inc. | Fluid pressure regulator establishing a stable output fluid pressure |
US6039070A (en) * | 1998-11-09 | 2000-03-21 | Sun Hydraulics Corp. | Pilot operated pressure valve |
US6390570B1 (en) * | 2000-11-29 | 2002-05-21 | Delphi Technologies, Inc. | Vehicle solenoid valve |
US6805155B2 (en) * | 2001-11-16 | 2004-10-19 | Hydraforce, Inc. | Cartridge relief valve with improved stability |
US6640830B2 (en) * | 2001-12-12 | 2003-11-04 | Sun Hydraulics Corp. | Pilot operated pressure valve |
KR100493325B1 (ko) * | 2001-12-18 | 2005-06-07 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 유압 릴리프밸브 |
DE10345712A1 (de) * | 2003-10-01 | 2005-04-21 | Bosch Rexroth Ag | Druck-Einspeiseventil |
KR20050081058A (ko) * | 2004-02-12 | 2005-08-18 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 릴리프 밸브 |
-
2007
- 2007-08-15 US US11/839,012 patent/US8360096B2/en active Active
-
2008
- 2008-08-13 IT ITRM2008A000459A patent/IT1391279B1/it active
- 2008-08-13 DE DE200810038809 patent/DE102008038809A1/de not_active Withdrawn
- 2008-08-15 BR BRPI0803385-4A patent/BRPI0803385A2/pt not_active IP Right Cessation
- 2008-08-15 CN CNA2008101611740A patent/CN101368638A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
ITRM20080459A1 (it) | 2009-02-16 |
CN101368638A (zh) | 2009-02-18 |
US8360096B2 (en) | 2013-01-29 |
DE102008038809A1 (de) | 2009-03-26 |
US20090044871A1 (en) | 2009-02-19 |
IT1391279B1 (it) | 2011-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B03A | Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette] | ||
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 3A ANUIDADE. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: NAO APRESENTADA A GUIA DE CUMPRIMENTO DE EXIGENCIA. REFERENTE AS 3A E 4A ANUIDADES. |