IT8622898A0 - Dispositivo di comando per almeno due utenze idrauliche, alimentate da almeno una pompa. - Google Patents

Dispositivo di comando per almeno due utenze idrauliche, alimentate da almeno una pompa.

Info

Publication number
IT8622898A0
IT8622898A0 IT8622898A IT2289886A IT8622898A0 IT 8622898 A0 IT8622898 A0 IT 8622898A0 IT 8622898 A IT8622898 A IT 8622898A IT 2289886 A IT2289886 A IT 2289886A IT 8622898 A0 IT8622898 A0 IT 8622898A0
Authority
IT
Italy
Prior art keywords
consumptions
powered
hydraulic
pump
control device
Prior art date
Application number
IT8622898A
Other languages
English (en)
Other versions
IT8622898A1 (it
IT1198274B (it
Inventor
Norbert Kreth
Eugen Hufnagel
Heinz Torkler
Original Assignee
Rexroth Mannesmann Gmbh
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 Rexroth Mannesmann Gmbh filed Critical Rexroth Mannesmann Gmbh
Publication of IT8622898A0 publication Critical patent/IT8622898A0/it
Publication of IT8622898A1 publication Critical patent/IT8622898A1/it
Application granted granted Critical
Publication of IT1198274B publication Critical patent/IT1198274B/it

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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F15B21/087—Control strategy, e.g. with block diagram
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
IT22898/86A 1985-12-30 1986-12-30 Dispositivo di comando per almeno due utenze idrauliche,alimentate da almeno una pompa IT1198274B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853546336 DE3546336A1 (de) 1985-12-30 1985-12-30 Steueranordnung fuer mindestens zwei von mindestens einer pumpe gespeiste hydraulische verbraucher

Publications (3)

Publication Number Publication Date
IT8622898A0 true IT8622898A0 (it) 1986-12-30
IT8622898A1 IT8622898A1 (it) 1988-06-30
IT1198274B IT1198274B (it) 1988-12-21

Family

ID=6289681

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22898/86A IT1198274B (it) 1985-12-30 1986-12-30 Dispositivo di comando per almeno due utenze idrauliche,alimentate da almeno una pompa

Country Status (5)

Country Link
US (1) US4759183A (it)
JP (1) JPS62159802A (it)
DE (1) DE3546336A1 (it)
FR (1) FR2592440B1 (it)
IT (1) IT1198274B (it)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
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DE3644736C2 (de) * 1985-12-30 1996-01-11 Rexroth Mannesmann Gmbh Steueranordnung für mindestens zwei von mindestens einer Pumpe gespeiste hydraulische Verbraucher
JPH0830482B2 (ja) * 1986-12-30 1996-03-27 マンネズマン・レツクスロス・ゲー・エム・ベー・ハー 少くとも１つのポンプからの送給を受ける少くとも２つの油圧負荷のための制御装置
DE3644745A1 (de) * 1986-12-30 1988-07-14 Rexroth Mannesmann Gmbh Steueranordnung fuer mindestens zwei von mindestens einer pumpe gespeiste hydraulische verbraucher
DE3702002A1 (de) * 1987-01-23 1988-08-04 Hydromatik Gmbh Steuervorrichtung fuer ein hydrostatisches getriebe fuer wenigstens zwei verbraucher
EP0284167B1 (en) * 1987-03-27 1993-07-21 Hitachi Construction Machinery Co., Ltd. Drive control system for hydraulic machine
DE3716200C2 (de) * 1987-05-14 1997-08-28 Linde Ag Steuer- und Regeleinrichtung für ein hydrostatisches Antriebsaggregat und Verfahren zum Betreiben eines solchen
JP2740172B2 (ja) * 1987-12-04 1998-04-15 日立建機株式会社 油圧駆動装置
IN171213B (it) * 1988-01-27 1992-08-15 Hitachi Construction Machinery
DE3805287C2 (de) * 1988-02-19 1995-02-09 Rexroth Mannesmann Gmbh Ventilanordnung für mindestens einen von einer Pumpe mit veränderlichem Fördervolumen gespeisten hydraulischen Verbraucher
DE3834201A1 (de) * 1988-04-22 1989-11-02 Rexroth Mannesmann Gmbh Anordnung zum zufuehren von druckmittel zu hydraulischen verbrauchern
WO1990000683A1 (en) * 1988-07-08 1990-01-25 Hitachi Construction Machinery Co., Ltd. Hydraulic driving apparatus
JPH02107802A (ja) * 1988-08-31 1990-04-19 Hitachi Constr Mach Co Ltd 油圧駆動装置
JPH0791846B2 (ja) * 1988-12-19 1995-10-09 株式会社小松製作所 油圧パワーショベルのサービス弁回路
DE3844401C2 (de) * 1988-12-30 1994-10-06 Rexroth Mannesmann Gmbh Regeleinrichtung für eine Verstellpumpe
DE3844399C2 (de) * 1988-12-30 1997-08-07 Rexroth Mannesmann Gmbh Steueranordnung für mehrere unabhängig voneinander betätigbare hydraulische Verbraucher und deren Verwendung
DE3844403A1 (de) * 1988-12-30 1990-07-05 Rexroth Mannesmann Gmbh Verstellpumpe mit einem pumpenregelventil
JP2740224B2 (ja) * 1989-01-13 1998-04-15 日立建機株式会社 土木・建設機械の油圧駆動装置
JPH07103883B2 (ja) * 1989-04-17 1995-11-08 日立建機株式会社 ロードセンシング油圧駆動回路の制御装置
DE3919640C2 (de) * 1989-06-16 1996-10-02 Rexroth Mannesmann Gmbh Steuerventileinrichtung mit zwei Steuerblöcken und Pumpensteuerung für mehrere hydraulische Antriebe
FR2650635A1 (fr) * 1989-08-07 1991-02-08 Rexroth Sigma Procede de commande d'au moins une pompe a debit variable dans une installation electrohydraulique, et installation electrohydraulique mettant en oeuvre ce procede
DE3931962A1 (de) * 1989-09-25 1991-04-04 Rexroth Mannesmann Gmbh Ansteuerelektronik fuer ein elektrisch verstellbares stellglied
US5177965A (en) * 1989-12-29 1993-01-12 Heinrich Nikolaus Pump control system with limit signal generated at a given displacement setting
DE3943357A1 (de) * 1989-12-29 1991-07-04 Rexroth Mannesmann Gmbh Schaltungsanordnung mit einer ansteuerelektronik fuer die magnetspulen von stellgliedern eines hydraulichen systems
CA2046766A1 (en) * 1990-08-22 1992-02-23 Barton H. Snow Redundant fluidic multiplexer
DE4030954C2 (de) * 1990-09-29 1994-08-04 Danfoss As Verfahren zur Steuerung der Bewegung eines hydraulisch bewegbaren Arbeitsgeräts und Bahnsteuereinrichtung zur Durchführung des Verfahrens
EP0515639B1 (de) * 1990-12-15 1995-03-08 Barmag Ag Hydrauliksystem
JPH05504819A (ja) * 1990-12-15 1993-07-22 バルマーク　アクチエンゲゼルシヤフト 液圧システム
EP0522171B1 (en) * 1991-01-28 1997-06-11 Hitachi Construction Machinery Co., Ltd. Hydraulic control system in hydraulic construction machine
US5167121A (en) * 1991-06-25 1992-12-01 University Of British Columbia Proportional hydraulic control
JPH05256303A (ja) * 1992-01-15 1993-10-05 Caterpillar Inc 油圧回路制御装置
JPH06123123A (ja) * 1992-05-22 1994-05-06 Hitachi Constr Mach Co Ltd 油圧駆動装置
DE4330137A1 (de) * 1993-09-07 1995-03-09 Putzmeister Maschf Hydraulisches Druckversorgungs- und Steueraggregat für eine Autobetonpumpe
DE4410156B4 (de) * 1994-03-24 2007-03-29 Bosch Rexroth Aktiengesellschaft Steuereinrichtung für eine Verstellpumpe
GB9416836D0 (en) * 1994-08-19 1994-10-12 Automotive Products Plc Fluid pressure supply system
US5666806A (en) * 1995-07-05 1997-09-16 Caterpillar Inc. Control system for a hydraulic cylinder and method
KR0185493B1 (ko) * 1996-03-30 1999-04-01 토니헬샴 중장비용 유량 합류장치
JPH10141310A (ja) * 1996-11-13 1998-05-26 Komatsu Ltd 圧油供給装置
US5737994A (en) * 1996-11-27 1998-04-14 Escobosa; Alfonso S. Digital variable actuation system
DE19743801A1 (de) * 1997-10-02 1999-04-08 Claas Selbstfahr Erntemasch Vorrichtung zur Steuerung eines Hydraulikzylinders in einer selbstfahrenden Erntemaschine
WO1999061804A1 (en) * 1998-05-28 1999-12-02 Plustech Oy Method for adjusting supply pressure
JP2000087904A (ja) * 1998-09-14 2000-03-28 Komatsu Ltd 圧油供給装置
JP3750841B2 (ja) * 1998-11-12 2006-03-01 新キャタピラー三菱株式会社 作業機械における油圧制御装置
US6282891B1 (en) * 1999-10-19 2001-09-04 Caterpillar Inc. Method and system for controlling fluid flow in an electrohydraulic system having multiple hydraulic circuits
DE19957027B4 (de) * 1999-11-26 2009-11-26 Linde Material Handling Gmbh Hydrostatisches Antriebssystem
US6814409B2 (en) 2001-04-12 2004-11-09 A-Dec, Inc. Hydraulic drive system
WO2004007973A1 (ja) * 2002-07-11 2004-01-22 Nabtesco Corporation 電気流体圧アクチュエーションシステム
DE10342037A1 (de) 2003-09-11 2005-04-07 Bosch Rexroth Ag Steueranordnung und Verfahren zur Druckmittelversorgung von zumindest zwei hydraulischen Verbrauchern
US6901754B2 (en) * 2003-10-01 2005-06-07 Husco International, Inc. Power conserving hydraulic pump bypass compensator circuit
US8117837B1 (en) * 2003-12-17 2012-02-21 Sauer-Danfoss Inc. Hydrostatic transmission having integrated pressure compensated load sensing auxiliary pump
SE527434C8 (sv) * 2004-07-28 2006-03-28 Volvo Constr Equip Holding Se Hydraulisksystem och arbetsmaskin innefattande ett sådant system
CN201574992U (zh) * 2009-11-10 2010-09-08 三一重工股份有限公司 多路阀、液压装置及混凝土泵车
JP5351813B2 (ja) * 2010-03-31 2013-11-27 株式会社クボタ 作業車の油圧システム
CN102959252B (zh) * 2010-04-30 2015-03-25 伊顿公司 多流体泵并合回路
DE102010048893A1 (de) * 2010-10-19 2012-04-19 Linde Material Handling Gmbh Load-Sensing geregeltes hydrostatisches Antriebssystem
KR101976888B1 (ko) 2011-07-01 2019-05-10 이턴 코포레이션 조합의 개방 및 폐쇄 루프 펌프 시스템을 사용하는 유압 시스템
WO2013023381A1 (zh) * 2011-08-18 2013-02-21 长沙中联重工科技发展股份有限公司 一种用于液压***的液压油流量分配方法及装置
CN102312875A (zh) * 2011-08-18 2012-01-11 长沙中联重工科技发展股份有限公司 一种用于液压***的液压油流量分配方法及装置
CN102720710B (zh) * 2012-06-26 2015-09-16 中联重科股份有限公司 液压***、液压***的控制方法和工程机械
DE102013220750A1 (de) * 2013-10-15 2015-04-16 Robert Bosch Gmbh Ventilblock mit einer Ventilanordnung
JP2023025934A (ja) * 2021-08-11 2023-02-24 株式会社クボタ 作業機の油圧システム

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US3968730A (en) * 1974-05-13 1976-07-13 Bernard Lucien Gabriel Lionet Method of and apparatus for synchronizing a plurality of fluid-operated rams
DE2523600A1 (de) * 1975-05-28 1976-12-09 Bosch Gmbh Robert Elektrohydraulische steuereinrichtung
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DE3321483A1 (de) * 1983-06-14 1984-12-20 Linde Ag, 6200 Wiesbaden Hydraulische einrichtung mit einer pumpe und mindestens zwei von dieser beaufschlagten verbrauchern hydraulischer energie
US4554991A (en) * 1984-02-23 1985-11-26 Mud Hog Corporation Auxiliary hydraulic drive system for road graders and the like
US4672811A (en) * 1984-04-17 1987-06-16 Kabushiki Kaisha Komatsu Seisakubsho Vehicle speed control system
IT1234937B (it) * 1985-02-14 1992-06-02 Cinotto Hydraulic Sistema antisaturazione per circuiti idraulici di comando con pompe e distributori compensati in pressione per organi di lavoro di macchine movimento terra
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JPH0668281B2 (ja) * 1985-09-30 1994-08-31 株式会社小松製作所 流量制御方法及び装置

Also Published As

Publication number Publication date
DE3546336A1 (de) 1987-07-02
JPS62159802A (ja) 1987-07-15
FR2592440A1 (fr) 1987-07-03
IT8622898A1 (it) 1988-06-30
IT1198274B (it) 1988-12-21
FR2592440B1 (fr) 1991-03-15
US4759183A (en) 1988-07-26
DE3546336C2 (it) 1989-02-16

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961223