EP2241763A3 - Dispositif de commande hydraulique et balance de pression pour ledit dispositif - Google Patents

Dispositif de commande hydraulique et balance de pression pour ledit dispositif Download PDF

Info

Publication number
EP2241763A3
EP2241763A3 EP20090007207 EP09007207A EP2241763A3 EP 2241763 A3 EP2241763 A3 EP 2241763A3 EP 20090007207 EP20090007207 EP 20090007207 EP 09007207 A EP09007207 A EP 09007207A EP 2241763 A3 EP2241763 A3 EP 2241763A3
Authority
EP
European Patent Office
Prior art keywords
pressure
valve
abströmweg
reservoir
valve assembly
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
EP20090007207
Other languages
German (de)
English (en)
Other versions
EP2241763B1 (fr
EP2241763A2 (fr
Inventor
Georg Neumair
Johann König
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.)
Hawe Hydraulik SE
Original Assignee
Hawe Hydraulik SE
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 Hawe Hydraulik SE filed Critical Hawe Hydraulik SE
Priority to EP20090007207 priority Critical patent/EP2241763B1/fr
Priority to US12/748,954 priority patent/US8549853B2/en
Priority to CN2010101674249A priority patent/CN101956731B/zh
Publication of EP2241763A2 publication Critical patent/EP2241763A2/fr
Publication of EP2241763A3 publication Critical patent/EP2241763A3/fr
Application granted granted Critical
Publication of EP2241763B1 publication Critical patent/EP2241763B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/05—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive
    • F15B11/055—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive by adjusting the pump output or bypass
    • 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
    • F15B13/026—Pressure compensating 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
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40553—Flow control characterised by the type of flow control means or valve with pressure compensating 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
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41572—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and an output member
    • 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
    • F15B2211/40—Flow control
    • F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line
    • 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]
    • Y10T137/7904—Reciprocating valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Safety Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Regulating Braking Force (AREA)
  • Control Of Fluid Pressure (AREA)
  • Fluid-Driven Valves (AREA)
EP20090007207 2009-04-17 2009-05-29 Dispositif de commande hydraulique et balance de pression pour ledit dispositif Active EP2241763B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20090007207 EP2241763B1 (fr) 2009-04-17 2009-05-29 Dispositif de commande hydraulique et balance de pression pour ledit dispositif
US12/748,954 US8549853B2 (en) 2009-04-17 2010-03-29 Hydraulic control device and pressure switch
CN2010101674249A CN101956731B (zh) 2009-04-17 2010-04-19 液压控制装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09005476 2009-04-17
EP20090007207 EP2241763B1 (fr) 2009-04-17 2009-05-29 Dispositif de commande hydraulique et balance de pression pour ledit dispositif

Publications (3)

Publication Number Publication Date
EP2241763A2 EP2241763A2 (fr) 2010-10-20
EP2241763A3 true EP2241763A3 (fr) 2012-10-24
EP2241763B1 EP2241763B1 (fr) 2014-05-14

Family

ID=42357819

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090007207 Active EP2241763B1 (fr) 2009-04-17 2009-05-29 Dispositif de commande hydraulique et balance de pression pour ledit dispositif

Country Status (4)

Country Link
US (1) US8549853B2 (fr)
EP (1) EP2241763B1 (fr)
CN (1) CN101956731B (fr)
ES (1) ES2471920T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2674626B1 (fr) * 2012-06-12 2015-09-30 HAWE Hydraulik SE Circuit hydraulique
DE102017200212B4 (de) 2017-01-09 2021-12-16 Hawe Hydraulik Se Zweistufenpumpe mit Umschaltventil
DE102020000906A1 (de) 2020-02-13 2021-08-19 Daimler Ag Blendeneinrichtung für ein Kraftfahrzeug, insbesondere für einen Kraftwagen
CN111577677B (zh) * 2020-05-28 2022-03-01 中国铁建重工集团股份有限公司 一种压力补偿系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9410796U1 (de) * 1994-07-06 1994-09-22 Buchholz Hydraulik GmbH, 24147 Klausdorf Hydraulische Steuervorrichtung
DE29518025U1 (de) * 1995-11-14 1997-03-13 Robert Bosch Gmbh, 70469 Stuttgart Wegeventilblock

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1813500A1 (de) * 1968-12-09 1970-07-02 Vickers Gmbh Pumpenanlage mit einer der Druckleitung zugeordneten UEberstroemeinrichtung
DE3041873C2 (de) * 1980-11-06 1982-12-23 Danfoss A/S, 6430 Nordborg Vorrichtung zur Erzeugung eines drehzahlabhängigen Steuerdrucks
EP0270190B1 (fr) * 1986-12-01 1992-09-02 Hitachi Construction Machinery Co., Ltd. Transmission hydraulique
DE3833624A1 (de) 1988-10-03 1990-04-05 Rexroth Mannesmann Gmbh Ventilanordnung fuer die geregelte versorgung eines arbeitsraums mit hydraulikfluid
DE29605911U1 (de) 1996-03-29 1997-07-24 Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München Elektrohydraulische Steuervorrichtung
DE19781852T1 (de) * 1996-06-23 1999-07-01 Anglogold Ltd Fluidübertragungssystem
DE29713294U1 (de) 1997-07-25 1997-09-25 Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München Hydraulische Steuervorrichtung für ein Kipperfahrzeug
DE29808294U1 (de) 1998-05-07 1998-08-13 Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München Elektrohydraulischer Spannmodul
US6196249B1 (en) * 1998-06-30 2001-03-06 Luk Getriebe-Systeme Gmbh Pressure regulating method and apparatus
JP2001330162A (ja) * 2000-05-23 2001-11-30 Hitachi Constr Mach Co Ltd アンロード弁
KR100631072B1 (ko) 2005-06-27 2006-10-02 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 중장비 옵션장치용 유압회로
JP4729456B2 (ja) 2006-08-21 2011-07-20 株式会社豊田自動織機 油圧制御装置
US7866149B2 (en) * 2007-09-05 2011-01-11 Caterpillar Inc System and method for rapidly shaking an implement of a machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9410796U1 (de) * 1994-07-06 1994-09-22 Buchholz Hydraulik GmbH, 24147 Klausdorf Hydraulische Steuervorrichtung
DE29518025U1 (de) * 1995-11-14 1997-03-13 Robert Bosch Gmbh, 70469 Stuttgart Wegeventilblock

Also Published As

Publication number Publication date
EP2241763B1 (fr) 2014-05-14
EP2241763A2 (fr) 2010-10-20
ES2471920T3 (es) 2014-06-27
CN101956731B (zh) 2013-10-30
CN101956731A (zh) 2011-01-26
US20100263363A1 (en) 2010-10-21
US8549853B2 (en) 2013-10-08

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