JPH0226114B2 - - Google Patents
Info
- Publication number
- JPH0226114B2 JPH0226114B2 JP55099454A JP9945480A JPH0226114B2 JP H0226114 B2 JPH0226114 B2 JP H0226114B2 JP 55099454 A JP55099454 A JP 55099454A JP 9945480 A JP9945480 A JP 9945480A JP H0226114 B2 JPH0226114 B2 JP H0226114B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- piston
- pressure
- stepped
- sliding member
- 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 - Lifetime
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)
- Multiple-Way Valves (AREA)
- Safety Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792930571 DE2930571A1 (de) | 1979-07-27 | 1979-07-27 | Sicherheitsventil |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5620876A JPS5620876A (en) | 1981-02-26 |
JPH0226114B2 true JPH0226114B2 (en]) | 1990-06-07 |
Family
ID=6076977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9945480A Granted JPS5620876A (en) | 1979-07-27 | 1980-07-22 | Safety valve assembly |
Country Status (4)
Country | Link |
---|---|
US (1) | US4345620A (en]) |
JP (1) | JPS5620876A (en]) |
DD (1) | DD152170A5 (en]) |
DE (1) | DE2930571A1 (en]) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4542767A (en) * | 1983-04-05 | 1985-09-24 | Ross Operating Valve Company | Monitor for double safety valves |
US5113907A (en) * | 1991-01-29 | 1992-05-19 | Ross Operating Valve Company | Dynamic self-monitoring air operating system |
DE4331966B4 (de) * | 1993-09-21 | 2005-01-05 | Wabco Gmbh & Co.Ohg | Steuereinrichtung |
DE9406561U1 (de) * | 1994-04-20 | 1994-07-14 | Herion-Werke KG, 70736 Fellbach | Sicherheitsventil |
DE19622198A1 (de) * | 1996-06-03 | 1997-12-04 | Herion Technomatic Ag Aesch | Vorrichtung zur dynamischen Überwachung von Ventilen |
US5826616A (en) * | 1996-11-19 | 1998-10-27 | Isi Norgren, Inc. | Valve spool position detector apparatus |
US5819783A (en) * | 1996-11-27 | 1998-10-13 | Isi Norgren Inc. | Modular 3-way valve with manual override, lockout, and internal sensors |
US5927324A (en) * | 1996-12-16 | 1999-07-27 | Ross Operating Valve Company | Cross flow with crossmirror and lock out capability valve |
US6155293A (en) | 1996-12-16 | 2000-12-05 | Ross Operating Valve Company | Double valve with anti-tiedown capability |
US6478049B2 (en) | 1996-12-16 | 2002-11-12 | Ross Operating Valve Company | Double valve with anti-tiedown capability |
US5850852A (en) * | 1996-12-16 | 1998-12-22 | Ross Operating Valve Company | Crossflow with crossmirror and lock out capability valve |
DE10046979B4 (de) * | 2000-09-22 | 2004-06-03 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Elektromagnetisch betätigbare Ventileinrichtung und kombinierte Ventilvorrichtung |
ES2278832T3 (es) | 2001-05-04 | 2007-08-16 | Ross Operating Valve Company | Sistema de control de valvulas. |
US7114521B2 (en) * | 2003-09-03 | 2006-10-03 | Ross Operating Valve Company | Double valve constructed from unitary single valves |
US20050284525A1 (en) * | 2004-06-25 | 2005-12-29 | Schnell Richard E | Manually-operated piloted control-reliable lockout valve |
DE102005001055A1 (de) * | 2005-01-07 | 2006-07-20 | Voith Turbo Gmbh & Co. Kg | Redundante elektrohydraulische Ventilanordnung |
US9163479B2 (en) * | 2007-08-03 | 2015-10-20 | Baker Hughes Incorporated | Flapper operating system without a flow tube |
US7703532B2 (en) * | 2007-09-17 | 2010-04-27 | Baker Hughes Incorporated | Tubing retrievable injection valve |
US8028717B2 (en) * | 2007-10-04 | 2011-10-04 | Ross Operating Valve Company | High throughput double valve with reduced outlet pressure during a faulted state |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1294747A (en) * | 1970-04-02 | 1972-11-01 | Voron Zd Kuznechno Pressovogo | Three-way duplex valve |
DD136524A5 (de) * | 1977-12-16 | 1979-07-11 | Technomatic Ag | Sicherheitsventil |
US4291613A (en) * | 1979-02-23 | 1981-09-29 | Ross Operating Valve Company | Monitor for double safety valves |
-
1979
- 1979-07-27 DE DE19792930571 patent/DE2930571A1/de not_active Withdrawn
-
1980
- 1980-07-17 US US06/169,933 patent/US4345620A/en not_active Expired - Lifetime
- 1980-07-22 JP JP9945480A patent/JPS5620876A/ja active Granted
- 1980-07-24 DD DD80222849A patent/DD152170A5/de unknown
Also Published As
Publication number | Publication date |
---|---|
DD152170A5 (de) | 1981-11-18 |
US4345620A (en) | 1982-08-24 |
DE2930571A1 (de) | 1981-02-12 |
JPS5620876A (en) | 1981-02-26 |
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