EP2372167A1 - Dispositif de contrôle de la pression de pilote, en particulier dans un robinet d'équilibrage - Google Patents

Dispositif de contrôle de la pression de pilote, en particulier dans un robinet d'équilibrage Download PDF

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Publication number
EP2372167A1
EP2372167A1 EP20100425101 EP10425101A EP2372167A1 EP 2372167 A1 EP2372167 A1 EP 2372167A1 EP 20100425101 EP20100425101 EP 20100425101 EP 10425101 A EP10425101 A EP 10425101A EP 2372167 A1 EP2372167 A1 EP 2372167A1
Authority
EP
European Patent Office
Prior art keywords
opening
valve
obturator
piloting
pressure
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.)
Granted
Application number
EP20100425101
Other languages
German (de)
English (en)
Other versions
EP2372167B1 (fr
Inventor
Andrea Storci
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.)
Bosch Rexroth Oil Control SpA
Original Assignee
Bosch Rexroth Oil Control SpA
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
Application filed by Bosch Rexroth Oil Control SpA filed Critical Bosch Rexroth Oil Control SpA
Priority to EP20100425101 priority Critical patent/EP2372167B1/fr
Publication of EP2372167A1 publication Critical patent/EP2372167A1/fr
Application granted granted Critical
Publication of EP2372167B1 publication Critical patent/EP2372167B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/01Locking-valves or other detent i.e. load-holding devices
    • F15B13/015Locking-valves or other detent i.e. load-holding devices using an enclosed pilot flow valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/003Systems with load-holding valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/30505Non-return valves, i.e. check valves
    • F15B2211/30515Load holding valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/505Pressure control characterised by the type of pressure control means
    • F15B2211/50509Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50545Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using braking valves to maintain a back pressure
EP20100425101 2010-03-30 2010-03-30 Dispositif de contrôle de la pression de pilote, en particulier dans un robinet d'équilibrage Expired - Fee Related EP2372167B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20100425101 EP2372167B1 (fr) 2010-03-30 2010-03-30 Dispositif de contrôle de la pression de pilote, en particulier dans un robinet d'équilibrage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20100425101 EP2372167B1 (fr) 2010-03-30 2010-03-30 Dispositif de contrôle de la pression de pilote, en particulier dans un robinet d'équilibrage

Publications (2)

Publication Number Publication Date
EP2372167A1 true EP2372167A1 (fr) 2011-10-05
EP2372167B1 EP2372167B1 (fr) 2012-11-14

Family

ID=42676871

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100425101 Expired - Fee Related EP2372167B1 (fr) 2010-03-30 2010-03-30 Dispositif de contrôle de la pression de pilote, en particulier dans un robinet d'équilibrage

Country Status (1)

Country Link
EP (1) EP2372167B1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103486105A (zh) * 2013-10-14 2014-01-01 徐州重型机械有限公司 一种先导滑阀的控制装置
CN103982482A (zh) * 2014-05-30 2014-08-13 徐州重型机械有限公司 一种起重机、其伸缩臂控制系统及平衡阀
EP2786958A1 (fr) * 2013-04-05 2014-10-08 Bosch Rexroth Oil Control S.p.A. Dispositif de commande pour la descente d'une charge
CN108661971A (zh) * 2018-08-22 2018-10-16 佛山信卓派思机械科技有限公司 一种负载传感型流量控制平衡阀
CN108953713A (zh) * 2018-08-22 2018-12-07 东莞海特帕沃液压科技有限公司 流量型平衡阀
CN109099023A (zh) * 2018-09-29 2018-12-28 邵延荣 平衡阀

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106050784B (zh) * 2016-08-14 2017-10-03 宁波市博尔法液压有限公司 一种平衡阀
CN110360174B (zh) * 2019-06-14 2020-07-31 常德中联重科液压有限公司 平衡阀的阀体、阀杆组件、平衡阀和液压缸伸缩控制回路

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5916022A (en) * 1982-07-16 1984-01-27 Uchida Yuatsu Kiki Kogyo Kk Backlash removing circuit device
US4523430A (en) * 1981-03-19 1985-06-18 Daikin Kogyo Co., Ltd. Fluid flow control system
DE9412531U1 (de) * 1994-08-03 1994-09-29 Heilmeier & Weinlein Hydraulische Steuervorrichtung
DE9412530U1 (de) * 1994-08-03 1994-11-10 Heilmeier & Weinlein Hydraulische Dämpfungsvorrichtung
EP1178219A1 (fr) 2000-08-04 2002-02-06 OIL CONTROL S.p.A. Dispositif hydraulique pour le réglage d'une pression de pilotage
US20080302428A1 (en) * 2007-06-07 2008-12-11 Kaoru Nomichi Pressure-reducing valve

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523430A (en) * 1981-03-19 1985-06-18 Daikin Kogyo Co., Ltd. Fluid flow control system
JPS5916022A (en) * 1982-07-16 1984-01-27 Uchida Yuatsu Kiki Kogyo Kk Backlash removing circuit device
DE9412531U1 (de) * 1994-08-03 1994-09-29 Heilmeier & Weinlein Hydraulische Steuervorrichtung
DE9412530U1 (de) * 1994-08-03 1994-11-10 Heilmeier & Weinlein Hydraulische Dämpfungsvorrichtung
EP1178219A1 (fr) 2000-08-04 2002-02-06 OIL CONTROL S.p.A. Dispositif hydraulique pour le réglage d'une pression de pilotage
EP1178219B1 (fr) * 2000-08-04 2005-04-27 OIL CONTROL S.p.A. Dispositif hydraulique pour le réglage d'une pression de pilotage
US20080302428A1 (en) * 2007-06-07 2008-12-11 Kaoru Nomichi Pressure-reducing valve

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2786958A1 (fr) * 2013-04-05 2014-10-08 Bosch Rexroth Oil Control S.p.A. Dispositif de commande pour la descente d'une charge
CN103486105A (zh) * 2013-10-14 2014-01-01 徐州重型机械有限公司 一种先导滑阀的控制装置
CN103486105B (zh) * 2013-10-14 2016-02-24 徐州重型机械有限公司 一种先导滑阀的控制装置
CN103982482A (zh) * 2014-05-30 2014-08-13 徐州重型机械有限公司 一种起重机、其伸缩臂控制系统及平衡阀
CN108661971A (zh) * 2018-08-22 2018-10-16 佛山信卓派思机械科技有限公司 一种负载传感型流量控制平衡阀
CN108953713A (zh) * 2018-08-22 2018-12-07 东莞海特帕沃液压科技有限公司 流量型平衡阀
CN109099023A (zh) * 2018-09-29 2018-12-28 邵延荣 平衡阀
CN109099023B (zh) * 2018-09-29 2020-08-21 艾肯(江苏)工业技术有限公司 平衡阀

Also Published As

Publication number Publication date
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