EP0342410A3 - Soupape de sûreté - Google Patents
Soupape de sûreté Download PDFInfo
- Publication number
- EP0342410A3 EP0342410A3 EP19890107713 EP89107713A EP0342410A3 EP 0342410 A3 EP0342410 A3 EP 0342410A3 EP 19890107713 EP19890107713 EP 19890107713 EP 89107713 A EP89107713 A EP 89107713A EP 0342410 A3 EP0342410 A3 EP 0342410A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- connection
- safety valve
- valves
- proportional pressure
- fine control
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/001—Double valve requiring the use of both hands simultaneously
-
- 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
- Y10T137/8593—Systems
- Y10T137/87169—Supply and exhaust
- Y10T137/87193—Pilot-actuated
- Y10T137/87209—Electric
-
- 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
- Y10T137/8593—Systems
- Y10T137/87169—Supply and exhaust
- Y10T137/87217—Motor
- Y10T137/87225—Fluid motor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Driven Valves (AREA)
- Safety Valves (AREA)
- Fluid-Pressure Circuits (AREA)
- Servomotors (AREA)
- Control Of Presses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3817120A DE3817120A1 (de) | 1988-05-19 | 1988-05-19 | Sicherheitsventil |
DE3817120 | 1988-05-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0342410A2 EP0342410A2 (fr) | 1989-11-23 |
EP0342410A3 true EP0342410A3 (fr) | 1990-10-17 |
Family
ID=6354731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19890107713 Withdrawn EP0342410A3 (fr) | 1988-05-19 | 1989-04-27 | Soupape de sûreté |
Country Status (4)
Country | Link |
---|---|
US (1) | US4903727A (fr) |
EP (1) | EP0342410A3 (fr) |
JP (1) | JPH0251682A (fr) |
DE (1) | DE3817120A1 (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6155293A (en) | 1996-12-16 | 2000-12-05 | Ross Operating Valve Company | Double valve with anti-tiedown capability |
US5927324A (en) * | 1996-12-16 | 1999-07-27 | Ross Operating Valve Company | Cross flow with crossmirror and lock out capability valve |
US6478049B2 (en) | 1996-12-16 | 2002-11-12 | Ross Operating Valve Company | Double valve with anti-tiedown capability |
JP4016151B2 (ja) * | 1997-08-14 | 2007-12-05 | Smc株式会社 | 5ポート電磁弁ボディを利用した2ポート電磁弁 |
JP4072738B2 (ja) * | 1997-08-21 | 2008-04-09 | Smc株式会社 | 5ポート電磁弁ボディを利用した3ポート電磁弁 |
JP3964784B2 (ja) | 2000-10-20 | 2007-08-22 | 本田技研工業株式会社 | 金属リング投入払出装置 |
DE60217753T2 (de) | 2001-05-04 | 2007-11-15 | Ross Operating Valve Co., Troy | Steuerventilsystem |
DE10320524A1 (de) * | 2003-04-30 | 2004-11-25 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Hydraulikkreis zur Steuerung eines Antriebsstranges |
US6996982B2 (en) * | 2003-12-09 | 2006-02-14 | The United States Of America As Represented By The Administrator Of The Environmental Protection Agency | Method and device for switching hydraulic fluid supplies, such as for a hydraulic pump/motor |
EP2126373A1 (fr) * | 2007-02-22 | 2009-12-02 | Raytheon Sarcos, LLC | Soupape pilote de premier etage |
CN103775411B (zh) * | 2014-01-08 | 2015-09-23 | 浙江大学 | 一种基于速度差动压反馈液控先导级的伺服阀 |
CN105201947B (zh) * | 2015-10-19 | 2017-04-12 | 中国石油大学(北京) | 液压保持阀位的电液换向阀 |
US9903396B2 (en) * | 2016-03-08 | 2018-02-27 | Caterpillar Inc. | Valve assembly |
JP6815103B2 (ja) * | 2016-06-10 | 2021-01-20 | 川崎重工業株式会社 | 流量制御弁装置 |
JP7042820B2 (ja) * | 2016-11-22 | 2022-03-28 | パーカー・ハニフィン・コーポレーション | 超低キャリーオーバーのソレノイド弁 |
TWI665400B (zh) * | 2018-12-14 | 2019-07-11 | 左天喬 | 多出口平衡輸出液體的控制閥 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3269416A (en) * | 1964-05-25 | 1966-08-30 | American Brake Shoe Co | Control valve mechanism with means for reducing hydraulic shock |
DE2717384A1 (de) * | 1977-04-20 | 1978-10-26 | Rexroth Gmbh G L | Hydraulisch betaetigtes steuerventil |
DE3205860A1 (de) * | 1982-02-18 | 1983-08-25 | Mannesmann Rexroth GmbH, 8770 Lohr | Magnetbetaetigtes servoventil |
DE3104957C2 (de) * | 1981-02-12 | 1986-12-04 | Herion-Werke Kg, 7012 Fellbach | Hydraulisch betätigbares Pressensicherheitsventil |
-
1988
- 1988-05-19 DE DE3817120A patent/DE3817120A1/de not_active Withdrawn
-
1989
- 1989-04-26 US US07/344,352 patent/US4903727A/en not_active Expired - Fee Related
- 1989-04-27 EP EP19890107713 patent/EP0342410A3/fr not_active Withdrawn
- 1989-05-18 JP JP1126526A patent/JPH0251682A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3269416A (en) * | 1964-05-25 | 1966-08-30 | American Brake Shoe Co | Control valve mechanism with means for reducing hydraulic shock |
DE2717384A1 (de) * | 1977-04-20 | 1978-10-26 | Rexroth Gmbh G L | Hydraulisch betaetigtes steuerventil |
DE3104957C2 (de) * | 1981-02-12 | 1986-12-04 | Herion-Werke Kg, 7012 Fellbach | Hydraulisch betätigbares Pressensicherheitsventil |
DE3205860A1 (de) * | 1982-02-18 | 1983-08-25 | Mannesmann Rexroth GmbH, 8770 Lohr | Magnetbetaetigtes servoventil |
Also Published As
Publication number | Publication date |
---|---|
EP0342410A2 (fr) | 1989-11-23 |
JPH0251682A (ja) | 1990-02-21 |
US4903727A (en) | 1990-02-27 |
DE3817120A1 (de) | 1989-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): CH DE FR GB IT LI SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): CH DE FR GB IT LI SE |
|
17P | Request for examination filed |
Effective date: 19901128 |
|
17Q | First examination report despatched |
Effective date: 19920302 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19930304 |