MX2012008522A - Ensamblaje de valvula proporcional. - Google Patents
Ensamblaje de valvula proporcional.Info
- Publication number
- MX2012008522A MX2012008522A MX2012008522A MX2012008522A MX2012008522A MX 2012008522 A MX2012008522 A MX 2012008522A MX 2012008522 A MX2012008522 A MX 2012008522A MX 2012008522 A MX2012008522 A MX 2012008522A MX 2012008522 A MX2012008522 A MX 2012008522A
- Authority
- MX
- Mexico
- Prior art keywords
- passage
- service
- bore
- communication
- load holding
- Prior art date
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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/006—Hydraulic "Wheatstone bridge" circuits, i.e. with four nodes, P-A-T-B, and on-off or proportional valves in each link
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/0426—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with fluid-operated pilot valves, i.e. multiple stage valves
-
- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
- F15B2211/30515—Load holding valves
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
- F15B2211/30575—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve in a Wheatstone Bridge arrangement (also half bridges)
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/355—Pilot pressure control
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting output members
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/86—Control during or prevention of abnormal conditions
- F15B2211/8609—Control during or prevention of abnormal conditions the abnormal condition being cavitation
-
- 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
- Y10T137/7761—Electrically actuated 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
- Y10T137/7837—Direct response valves [i.e., check valve 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
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
-
- 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
- Y10T137/86493—Multi-way valve unit
- Y10T137/86879—Reciprocating valve unit
-
- 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
- Y10T137/86928—Sequentially progressive opening or closing of plural valves
-
- 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
- Y10T137/87056—With selective motion for plural valve actuator
-
- 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
- Y10T137/87201—Common to plural valve motor chambers
-
- 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
-
- 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
- Y10T137/87233—Biased exhaust valve
- Y10T137/87241—Biased closed
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Un ensamblaje de válvula incluye un alojamiento de válvula (80) que define un pasaje de servicio (94), una primera perforación (98) en comunicación de fluidos con el pasaje de servicio, un primer pasaje (120), una segunda perforación (100) en comunicación con el pasaje de servicio y un segundo pasaje (130). La primera perforación tiene una porción de entrada (114), una primera porción de servicio (116) en comunicación con el pasaje de servicio, y una primera porción de retención de carga (118). El primer pasaje está en comunicación con la primera porción de retención de carga y el pasaje de servicio. La segunda perforación tiene una porción de retorno (124), una segunda porción de servicio (126) en comunicación de fluidos con el primer pasaje de servicio, y una segunda porción de retención de carga (128). El segundo pasaje (130) está en comunicación selectiva con la segunda porción de retención de carga de la segunda perforación y el pasaje de retorno. Una válvula se dispone en el segundo pasaje. La válvula (132) permite que fluido fluya solamente en una dirección a partir de la segunda porción de retención de carga al pasaje de retorno.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/690,724 US8291934B2 (en) | 2010-01-20 | 2010-01-20 | Proportional valve assembly |
PCT/IB2011/000072 WO2011089503A1 (en) | 2010-01-20 | 2011-01-19 | Proportional valve assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2012008522A true MX2012008522A (es) | 2012-08-23 |
Family
ID=44065283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2012008522A MX2012008522A (es) | 2010-01-20 | 2011-01-19 | Ensamblaje de valvula proporcional. |
Country Status (9)
Country | Link |
---|---|
US (1) | US8291934B2 (es) |
EP (1) | EP2526305B1 (es) |
JP (1) | JP2013517437A (es) |
KR (1) | KR20120121887A (es) |
CN (1) | CN102803745B (es) |
BR (1) | BR112012018083A2 (es) |
CA (1) | CA2787665A1 (es) |
MX (1) | MX2012008522A (es) |
WO (1) | WO2011089503A1 (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110017310A1 (en) * | 2007-07-02 | 2011-01-27 | Parker Hannifin Ab | Fluid valve arrangement |
DE102012017714A1 (de) * | 2012-09-07 | 2014-03-13 | Hoerbiger Automatisierungstechnik Holding Gmbh | Geregelte Proportional-Dreiwegeventileinheit |
CN103893891B (zh) * | 2012-12-26 | 2016-03-02 | 北京谊安医疗***股份有限公司 | 一种呼吸机非线性比例阀的校验方法 |
US9903395B2 (en) * | 2016-02-24 | 2018-02-27 | Mac Valves, Inc. | Proportional pressure controller with isolation valve assembly |
CN106870775A (zh) * | 2017-04-07 | 2017-06-20 | 中国铁道科学研究院 | 活塞式控制阀 |
IT201900002599A1 (it) * | 2019-02-22 | 2020-08-22 | Bosch Gmbh Robert | Sistema valvola di ritegno a controllo elettronico |
US20240175452A1 (en) * | 2022-11-28 | 2024-05-30 | Cnh Industrial America Llc | Reservoir with variable charge pressure |
Family Cites Families (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3024801A (en) * | 1955-02-07 | 1962-03-13 | Carls William | Combination valve and housing |
US3189046A (en) * | 1962-11-09 | 1965-06-15 | Nuclear Products Company | Poppet check valve |
US4111226A (en) * | 1977-08-01 | 1978-09-05 | Ross Operating Valve Co. | Multiple function four poppet valve system |
DE2915783C2 (de) * | 1979-04-19 | 1986-07-03 | Vickers Systems GmbH, 6380 Bad Homburg | Aus Sicherheitsgründen arbeitsüberwachte Ventilanordnung |
EP0073268B1 (de) * | 1981-09-02 | 1985-09-04 | Vickers Systems GmbH | Elektrohydraulische Regelung eines Stellkolbens |
US5331883A (en) * | 1981-09-28 | 1994-07-26 | Bo Andersson | Hydraulic valve means |
USRE32644E (en) * | 1984-02-13 | 1988-04-12 | Robert W. Brundage | Solenoid controlled flow valve |
JPS60196476A (ja) | 1984-03-16 | 1985-10-04 | Komatsu Ltd | ポペツト式流量制御弁 |
JPS61105381A (ja) * | 1984-10-29 | 1986-05-23 | Kawasaki Heavy Ind Ltd | 電磁流量制御弁 |
US4813447A (en) * | 1987-05-14 | 1989-03-21 | Hitachi Construction Machinery Co., Ltd. | Flow control valve apparatus |
SE459271B (sv) * | 1987-10-27 | 1989-06-19 | Bahco Hydrauto Ab | Tryckmediumventil |
US4848721A (en) * | 1989-01-03 | 1989-07-18 | Stanislav Chudakov | Hydraulic valve with integrated solenoid |
US5137254A (en) * | 1991-09-03 | 1992-08-11 | Caterpillar Inc. | Pressure compensated flow amplifying poppet valve |
US5170692A (en) * | 1991-11-04 | 1992-12-15 | Vickers, Incorporated | Hydraulic control system |
US5207059A (en) * | 1992-01-15 | 1993-05-04 | Caterpillar Inc. | Hydraulic control system having poppet and spool type valves |
US5421545A (en) * | 1993-09-03 | 1995-06-06 | Caterpillar Inc. | Poppet valve with force feedback control |
US5645263A (en) * | 1993-10-04 | 1997-07-08 | Caterpillar Inc. | Pilot valve for a flow amplyifying poppet valve |
US5546752A (en) * | 1995-02-23 | 1996-08-20 | Hydro-Gear Ltd. Partnership | Combination valve including improved neutral valve for use in hydrostatic transmission |
DE69626537T2 (de) * | 1995-12-15 | 2004-02-12 | Parker Hannifin Plc, Hemel Hempstead | Steuerventile |
DE19728092A1 (de) | 1997-07-02 | 1999-01-07 | Werner Reisland | Hydraulische Steuervorrichtung |
US6089528A (en) * | 1998-12-18 | 2000-07-18 | Caterpillar Inc. | Poppet valve control with sealing element providing improved load drift control |
US6047944A (en) * | 1999-02-25 | 2000-04-11 | Caterpillar Inc. | Poppet with a flow increasing element for limiting movement thereof in a poppet valve |
US6131606A (en) * | 1999-06-21 | 2000-10-17 | Caterpillar Inc. | Moving check valve seat providing high pressure relief |
US6206044B1 (en) * | 1999-12-09 | 2001-03-27 | Eaton Corporation | By-pass solenoid with integral check valve |
DE10006141A1 (de) * | 2000-02-11 | 2001-09-06 | Zf Lenksysteme Gmbh | Elektrohydraulische Steuervorrichtung |
DE10046979B4 (de) * | 2000-09-22 | 2004-06-03 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Elektromagnetisch betätigbare Ventileinrichtung und kombinierte Ventilvorrichtung |
US6557822B1 (en) * | 2000-11-21 | 2003-05-06 | Caterpillar Inc. | Dynamically stable flow amplifying poppet valve |
US7490625B1 (en) * | 2001-04-23 | 2009-02-17 | John Leslie Johnson | Pilot valve manifold |
US7028708B1 (en) * | 2003-05-09 | 2006-04-18 | Hydro-Gear Limited Partnership | Combined check valve and pressure relief valve |
KR100652871B1 (ko) * | 2004-02-24 | 2006-12-06 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 건설중장비용 유량제어장치 |
JP4160530B2 (ja) * | 2004-04-28 | 2008-10-01 | 日立建機株式会社 | 制御弁装置及び圧力回路 |
US7921880B2 (en) * | 2007-08-20 | 2011-04-12 | Hydraforce, Inc. | Three-way poppet valve with intermediate pilot port |
-
2010
- 2010-01-20 US US12/690,724 patent/US8291934B2/en active Active
-
2011
- 2011-01-19 JP JP2012549432A patent/JP2013517437A/ja active Pending
- 2011-01-19 CA CA 2787665 patent/CA2787665A1/en not_active Abandoned
- 2011-01-19 BR BR112012018083A patent/BR112012018083A2/pt not_active IP Right Cessation
- 2011-01-19 EP EP20110711132 patent/EP2526305B1/en not_active Not-in-force
- 2011-01-19 CN CN201180014786.7A patent/CN102803745B/zh active Active
- 2011-01-19 MX MX2012008522A patent/MX2012008522A/es not_active Application Discontinuation
- 2011-01-19 WO PCT/IB2011/000072 patent/WO2011089503A1/en active Application Filing
- 2011-01-19 KR KR1020127019646A patent/KR20120121887A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
KR20120121887A (ko) | 2012-11-06 |
CN102803745A (zh) | 2012-11-28 |
JP2013517437A (ja) | 2013-05-16 |
EP2526305A1 (en) | 2012-11-28 |
US8291934B2 (en) | 2012-10-23 |
BR112012018083A2 (pt) | 2016-03-29 |
CA2787665A1 (en) | 2011-07-28 |
CN102803745B (zh) | 2015-05-06 |
EP2526305B1 (en) | 2015-04-29 |
US20110174393A1 (en) | 2011-07-21 |
WO2011089503A1 (en) | 2011-07-28 |
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