GB9503854D0 - Electrohydraulic proportional control valve assemblies - Google Patents

Electrohydraulic proportional control valve assemblies

Info

Publication number
GB9503854D0
GB9503854D0 GBGB9503854.3A GB9503854A GB9503854D0 GB 9503854 D0 GB9503854 D0 GB 9503854D0 GB 9503854 A GB9503854 A GB 9503854A GB 9503854 D0 GB9503854 D0 GB 9503854D0
Authority
GB
United Kingdom
Prior art keywords
control valve
proportional control
valve assemblies
electrohydraulic proportional
electrohydraulic
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.)
Pending
Application number
GBGB9503854.3A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ultra Hydraulics Ltd
Original Assignee
Ultra Hydraulics Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
Application filed by Ultra Hydraulics Ltd filed Critical Ultra Hydraulics Ltd
Priority to GBGB9503854.3A priority Critical patent/GB9503854D0/en
Publication of GB9503854D0 publication Critical patent/GB9503854D0/en
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10770283&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB9503854(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Pending legal-status Critical Current

Links

GBGB9503854.3A 1995-02-25 1995-02-25 Electrohydraulic proportional control valve assemblies Pending GB9503854D0 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GBGB9503854.3A GB9503854D0 (en) 1995-02-25 1995-02-25 Electrohydraulic proportional control valve assemblies

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
GBGB9503854.3A GB9503854D0 (en) 1995-02-25 1995-02-25 Electrohydraulic proportional control valve assemblies
GB9603811A GB2298291C (en) 1995-02-25 1996-02-22 Electrohydraulic proportional control valve assemblies
DK96903123T DK0809737T4 (en) 1995-02-25 1996-02-22 Electrohydraulic proportional control valve designs
KR10-1997-0705883A KR100432381B1 (en) 1995-02-25 1996-02-22 Electrohydraulic proportional control valve assemblies
JP52608496A JPH11501106A (en) 1995-02-25 1996-02-22 Electro-hydraulic proportional control valve assembly
PCT/GB1996/000393 WO1996027051A1 (en) 1995-02-25 1996-02-22 Electrohydraulic proportional control valve assemblies
EP19960903123 EP0809737B2 (en) 1995-02-25 1996-02-22 Electrohydraulic proportional control valve assemblies
DE1996602923 DE69602923T3 (en) 1995-02-25 1996-02-22 Electrohydraulic proportional control valve device
CN 96192050 CN1070974C (en) 1995-02-25 1996-02-22 Electrohydraulic proportional control valve assemblies
JP2006032753A JP2006177561A (en) 1995-02-25 2006-02-09 Electro-hydraulic proportional control valve assembly

Publications (1)

Publication Number Publication Date
GB9503854D0 true GB9503854D0 (en) 1995-04-19

Family

ID=10770283

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9503854.3A Pending GB9503854D0 (en) 1995-02-25 1995-02-25 Electrohydraulic proportional control valve assemblies
GB9603811A Expired - Lifetime GB2298291C (en) 1995-02-25 1996-02-22 Electrohydraulic proportional control valve assemblies

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9603811A Expired - Lifetime GB2298291C (en) 1995-02-25 1996-02-22 Electrohydraulic proportional control valve assemblies

Country Status (8)

Country Link
EP (1) EP0809737B2 (en)
JP (2) JPH11501106A (en)
KR (1) KR100432381B1 (en)
CN (1) CN1070974C (en)
DE (1) DE69602923T3 (en)
DK (1) DK0809737T4 (en)
GB (2) GB9503854D0 (en)
WO (1) WO1996027051A1 (en)

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DE102004050294B3 (en) 2004-10-15 2006-04-27 Sauer-Danfoss Aps Hydraulic valve arrangement
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DE102005022891A1 (en) 2005-04-05 2006-10-12 Bosch Rexroth Aktiengesellschaft Hydraulic control arrangement and control block
DE102005045035B4 (en) * 2005-09-21 2007-07-12 Wessel-Hydraulik Gmbh Hydraulic circuit arrangement for supplying a double-acting hydraulic consumer
CN100370149C (en) * 2006-01-24 2008-02-20 东北大学 Constant backpressure and proportion controlled sinter apparatus HAGC System
JP4703419B2 (en) * 2006-01-31 2011-06-15 カヤバ工業株式会社 Control circuit for hydraulic actuator
US7487707B2 (en) 2006-09-27 2009-02-10 Husco International, Inc. Hydraulic valve assembly with a pressure compensated directional spool valve and a regeneration shunt valve
DE102007048697A1 (en) * 2007-10-11 2009-04-16 Deere & Company, Moline Hydraulic lifting device
EP2235270A1 (en) * 2007-12-12 2010-10-06 Volvo Construction Equipment AB A method for when necessary automatically limiting a pressure in a hydraulic system during operation
DE102008002422A1 (en) * 2008-06-13 2009-12-17 Zf Friedrichshafen Ag Hydraulic supply system for supplying a hydraulic consumer with at least one consumption range
US8359849B2 (en) * 2009-04-07 2013-01-29 Eaton Corporation Control of a fluid circuit using an estimated sensor value
DE102009033645A1 (en) * 2009-07-17 2011-01-20 Robert Bosch Gmbh Hydraulic control arrangement
US8291925B2 (en) 2009-10-13 2012-10-23 Eaton Corporation Method for operating a hydraulic actuation power system experiencing pressure sensor faults
US8375989B2 (en) * 2009-10-22 2013-02-19 Eaton Corporation Method of operating a control valve assembly for a hydraulic system
CN103370546B (en) * 2010-11-08 2018-06-26 罗伯特·博世有限公司 For to having the hydraulic pressure or pneumatic driving device that the valve of adjusting or distributing valve manipulated
US8857168B2 (en) 2011-04-18 2014-10-14 Caterpillar Inc. Overrunning pump protection for flow-controlled actuators
DE102011114241B4 (en) * 2011-06-09 2014-09-04 Sms Meer Gmbh Hydraulic drive device, hydraulic output stage of a hydraulic servo-control valve, servo-control valve and powder press
CN102536194B (en) * 2011-12-13 2014-05-28 中国石油集团长城钻探工程有限公司 Hydraulic-driven automatic bit feeding control system with constant bit pressure
CN102535571A (en) * 2012-02-17 2012-07-04 上海三一重机有限公司 System and method of regeneration control based on double spools for hydraulic excavator
CN102587443A (en) * 2012-02-23 2012-07-18 上海三一重机有限公司 Multiway valve hydraulic control system of crawler excavator
CN102678663B (en) * 2012-05-30 2015-05-20 上海三一重机有限公司 Oil cylinder for excavator and excavator with cylinder
US9145660B2 (en) 2012-08-31 2015-09-29 Caterpillar Inc. Hydraulic control system having over-pressure protection
CN102888873B (en) * 2012-09-12 2015-03-11 徐州徐工挖掘机械有限公司 Device for improving linear running performance of excavator during compound action
CN103122648B (en) * 2012-12-28 2015-06-17 上海三一重机有限公司 Multi-way valve hydraulic control system, rectilinear walking control valve and excavator
CN103256334B (en) * 2013-04-28 2016-06-22 潍坊威度电子科技有限公司 Double-act-ing hydraulic J-Horner tractor suspension hydraulic system based on electromagnetic digital valve
EP2811174B1 (en) 2013-06-04 2020-07-22 Danfoss Power Solutions Aps A control arrangement of a hydraulic system and a method for controlling a hydraulic system
US8977445B2 (en) * 2013-06-18 2015-03-10 Caterpillar Inc. System and method for dig detection
CN103644172B (en) * 2013-12-20 2015-12-30 徐州重型机械有限公司 A kind of telescopic oil cylinder of crane detects and protective gear and method
CN104564863B (en) * 2014-12-26 2017-02-22 大连理工大学 Electrohydraulic control system for rotation motion of pipe splicing machine
JP6324347B2 (en) * 2015-06-01 2018-05-16 日立建機株式会社 Hydraulic control equipment for construction machinery
EP3361105B1 (en) * 2015-10-08 2020-04-08 Volvo Construction Equipment AB Spool valve
US9713307B1 (en) 2016-01-21 2017-07-25 Deere & Company Electrohydraulic dynamic spool position control for a proportional valve in a work vehicle
CN105862962B (en) * 2016-05-31 2018-05-18 青岛雷沃工程机械有限公司 Reduce the hydraulic circuit of return oil pressure
US10330126B2 (en) * 2016-12-16 2019-06-25 Caterpillar Inc. Fan control system with electro-hydraulic valve providing three fan motor operational positions
CN107387477B (en) * 2017-07-20 2018-11-06 徐州工业职业技术学院 A kind of leading controller for guiding valve, hydraulic cylinder control loop
CN108953306A (en) * 2018-08-26 2018-12-07 燕山大学 Duplex pump directly driven volume controlled electro-hydraulic servo control system
EP3670931A1 (en) * 2018-12-17 2020-06-24 Hyva Holding BV A hydraulic control system

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US33846A (en) * 1861-12-03 Improved mode of heating molds
EP0038128A1 (en) * 1980-04-04 1981-10-21 General Signal Corporation Electro-hydraulic servo activator system
DE3347000C2 (en) * 1983-12-24 1992-06-04 Robert Bosch Gmbh, 7000 Stuttgart, De
JP2828490B2 (en) * 1990-06-19 1998-11-25 日立建機株式会社 Load sensing hydraulic drive circuit controller
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DE4122164C1 (en) * 1991-07-04 1993-01-14 Danfoss A/S, Nordborg, Dk
JPH05256303A (en) * 1992-01-15 1993-10-05 Caterpillar Inc Hydraulic control apparatus

Also Published As

Publication number Publication date
EP0809737A1 (en) 1997-12-03
WO1996027051A1 (en) 1996-09-06
JPH11501106A (en) 1999-01-26
EP0809737B1 (en) 1999-06-16
CN1070974C (en) 2001-09-12
GB2298291B (en) 1998-06-10
GB9603811D0 (en) 1996-04-24
EP0809737B2 (en) 2007-09-19
GB2298291C (en) 2008-02-26
DE69602923T2 (en) 1999-12-09
CN1175988A (en) 1998-03-11
DE69602923D1 (en) 1999-07-22
DK0809737T3 (en) 1999-11-22
WO1996027051B1 (en) 2001-04-12
DK0809737T4 (en) 2008-01-07
JP2006177561A (en) 2006-07-06
KR100432381B1 (en) 2004-09-16
GB2298291A (en) 1996-08-28
KR19980702483A (en) 1998-07-15
DE69602923T3 (en) 2008-05-21

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