IN158679B - - Google Patents

Info

Publication number
IN158679B
IN158679B IN757/CAL/83A IN757CA1983A IN158679B IN 158679 B IN158679 B IN 158679B IN 757CA1983 A IN757CA1983 A IN 757CA1983A IN 158679 B IN158679 B IN 158679B
Authority
IN
India
Application number
IN757/CAL/83A
Other languages
English (en)
Inventor
Rajamouli Gunda
Michael Rhu Mccarty
Melvin Arthur Rode
Original Assignee
Vickers Inc
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 Vickers Inc filed Critical Vickers Inc
Publication of IN158679B publication Critical patent/IN158679B/en

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2217Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2221Control of flow rate; Load sensing arrangements
    • E02F9/2239Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • E02F9/2242Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance including an electronic controller
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2278Hydraulic circuits
    • E02F9/2292Systems with two or more pumps
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2278Hydraulic circuits
    • E02F9/2296Systems with a variable displacement pump
    • 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
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08Servomotor systems incorporating electrically operated control means
    • F15B21/087Control strategy, e.g. with block diagram

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)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
IN757/CAL/83A 1982-09-23 1983-06-16 IN158679B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/421,817 US4537029A (en) 1982-09-23 1982-09-23 Power transmission

Publications (1)

Publication Number Publication Date
IN158679B true IN158679B (es) 1987-01-03

Family

ID=23672165

Family Applications (1)

Application Number Title Priority Date Filing Date
IN757/CAL/83A IN158679B (es) 1982-09-23 1983-06-16

Country Status (7)

Country Link
US (1) US4537029A (es)
EP (1) EP0104613B1 (es)
JP (1) JPS5991238A (es)
AU (1) AU559792B2 (es)
CA (1) CA1210667A (es)
DE (1) DE3376129D1 (es)
IN (1) IN158679B (es)

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DE3703297A1 (de) * 1987-02-04 1988-08-18 Fendt & Co Xaver Hydraulikanlage zur betaetigung von arbeitsgeraeten an fahrzeugen
DE3716200C2 (de) * 1987-05-14 1997-08-28 Linde Ag Steuer- und Regeleinrichtung für ein hydrostatisches Antriebsaggregat und Verfahren zum Betreiben eines solchen
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
US5048293A (en) * 1988-12-29 1991-09-17 Hitachi Construction Machinery Co., Ltd. Pump controlling apparatus for construction machine
US5218895A (en) * 1990-06-15 1993-06-15 Caterpillar Inc. Electrohydraulic control apparatus and method
US5050379A (en) * 1990-08-23 1991-09-24 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Displacement of a variable displacemet hydraulic pump and speed of an engine driving the pump controlled based on demand
JP3115887B2 (ja) * 1990-09-28 2000-12-11 株式会社小松製作所 クローズドセンタ・ロードセンシングシステムにおけるポンプの吐出容積の可変回路
GB2251232B (en) * 1990-09-29 1995-01-04 Samsung Heavy Ind Automatic actuating system for actuators of excavator
GB2251962B (en) * 1990-11-13 1995-05-24 Samsung Heavy Ind System for automatically controlling an operation of a heavy construction
JPH04351500A (ja) * 1991-05-29 1992-12-07 Mitsubishi Electric Corp 車両用電磁クラッチ制御装置
US5634334A (en) * 1992-10-14 1997-06-03 Hehl; Karl Hydraulic device for use in a production machine
GB2276596B (en) * 1993-03-22 1996-10-09 Crown Gabelstapler Gmbh Steering systems for forklift trucks
US5533333A (en) * 1994-04-29 1996-07-09 Atlantic Richfield Company Method and regulator for regulating the air pressure of a pressurized vessel
US5720358A (en) * 1995-12-06 1998-02-24 Caterpillar Inc. Apparatus for controlling the torque on a power train and method of operating the same
EP0884482B1 (en) 1996-02-28 2005-01-05 Komatsu Ltd. Control device for hydraulic drive machine
KR0185493B1 (ko) * 1996-03-30 1999-04-01 토니헬샴 중장비용 유량 합류장치
GB2324575B (en) * 1997-04-24 2000-08-09 Caterpillar Inc Load sense hydraulic system
US6321535B2 (en) * 1997-11-21 2001-11-27 Komatsu Ltd. Hydraulic circuit for working vehicle
US6115660A (en) * 1997-11-26 2000-09-05 Case Corporation Electronic coordinated control for a two-axis work implement
US6233511B1 (en) 1997-11-26 2001-05-15 Case Corporation Electronic control for a two-axis work implement
JP2002516963A (ja) * 1998-05-28 2002-06-11 プルステック オイ 供給圧力を調整する方法
DE10104851A1 (de) * 2001-02-03 2002-08-22 Zf Lenksysteme Gmbh Pumpsystem mit einer hydraulischen Pumpe, insbesondere für ein Lenksystem
SE525818C2 (sv) * 2002-10-08 2005-05-03 Volvo Constr Equip Holding Se Förfarande och anordning för styrning av ett fordon samt datorprogramprodukt för att utföra förfarandet
DE10340504B4 (de) * 2003-09-03 2006-08-24 Sauer-Danfoss Aps Ventilanordnung zur Steuerung eines Hydraulikantriebs
US20060242955A1 (en) * 2005-04-19 2006-11-02 Clark Equipment Company Hydraulic system with piston pump and open center valve
US7415822B1 (en) * 2005-07-21 2008-08-26 Deere & Company Load sense boost device
JP4804137B2 (ja) * 2005-12-09 2011-11-02 株式会社小松製作所 作業車両のエンジン負荷制御装置
US7798277B2 (en) * 2007-05-31 2010-09-21 Caterpillar Inc Machine retarder
US9067575B2 (en) * 2008-08-29 2015-06-30 Volvo Construction Equipment Ab Brake system and vehicle comprising a brake system
JP5791703B2 (ja) * 2010-04-30 2015-10-07 イートン コーポレーションEaton Corporation 複合流体ポンプの組合せ回路
JP5562893B2 (ja) * 2011-03-31 2014-07-30 住友建機株式会社 ショベル
US9217447B2 (en) 2011-07-01 2015-12-22 Eaton Corporation Hydraulic systems utilizing combination open- and closed-loop pump systems
US9506480B2 (en) 2013-04-11 2016-11-29 Hitachi Construction Machinery Co., Ltd. Apparatus for driving work machine
CN106660450A (zh) 2014-06-10 2017-05-10 伊顿公司 具有与变速器取力装置联接的液压变换器的非公路用车用能量回收系统
DE102014108945A1 (de) 2014-06-26 2015-12-31 Robert Bosch Automotive Steering Gmbh Hydraulische Verstellpumpe, insbesondere für ein Lenksystem eines Kraftfahrzeuges
EP3978691A1 (en) * 2017-08-28 2022-04-06 Volvo Construction Equipment AB A drive system and a method for controlling a drive system of a hybrid working machine
US10428845B1 (en) 2018-03-29 2019-10-01 Sun Hydraulics, Llc Hydraulic system with a counterbalance valve configured as a meter-out valve and controlled by an independent pilot signal
JP7198072B2 (ja) 2018-12-13 2022-12-28 キャタピラー エス エー アール エル 建設機械の油圧制御回路
CN109849401B (zh) * 2019-01-24 2024-03-26 扬力集团股份有限公司 一种节能式液压机及其加工方法
CN112661072B (zh) * 2020-12-14 2022-08-12 中国煤炭科工集团太原研究院有限公司 升降工作台的消抖系统、方法及装置
CN113415336B (zh) * 2021-06-23 2022-07-08 徐工集团工程机械股份有限公司科技分公司 一种电传动转向控制系统及装载机

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US3437312A (en) * 1966-11-01 1969-04-08 Bell Aerospace Corp Electrical signal and monitoring apparatus for redundant control system
DE1807172A1 (de) * 1968-11-06 1970-06-11 Bosch Gmbh Robert Einrichtung zur elektrohydraulischen Fernsteuerung hydraulischer Wegeventile
US3713291A (en) * 1970-11-23 1973-01-30 P Kubik Multiple pressure fluid system
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FR2250908B3 (es) * 1973-11-14 1977-08-12 Massey Ferguson Services Nv
US3955369A (en) * 1975-04-16 1976-05-11 Abex Corporation Actuator average pressure maintenance in closed loop system
US4024710A (en) * 1976-03-25 1977-05-24 Koehring Company Load sensing hydraulic circuit having power matching means
US4070857A (en) * 1976-12-22 1978-01-31 Towmotor Corporation Hydraulic priority circuit
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JPS53112808A (en) * 1977-03-11 1978-10-02 Asahi Denka Kogyo Kk Preparation of malonic esters
DE2726465A1 (de) * 1977-06-11 1978-12-21 Bosch Gmbh Robert Zentralsteuerung fuer fahrzeuge
DE2808196A1 (de) * 1978-02-25 1979-09-06 Bosch Gmbh Robert Hydraulische steuereinrichtung
SE448762B (sv) * 1979-02-26 1987-03-16 Hitachi Construction Machinery Hydraulisk drivanordning for konstruktionsmaskinerier, innefattande ett flertal slutna hydraulkretsar
US4215543A (en) * 1979-04-09 1980-08-05 C. A. Lawton Company Method and apparatus for linear and nonlinear control of a hydraulic press
SE435750B (sv) * 1979-06-15 1984-10-15 Akermans Verkstad Ab Anordning for begrensning av fran ett hydraulaggregat uttagen effekt
US4369625A (en) * 1979-06-27 1983-01-25 Hitachi Construction Machinery Co., Ltd. Drive system for construction machinery and method of controlling hydraulic circuit means thereof
JPS5614605A (en) * 1979-07-12 1981-02-12 Hitachi Constr Mach Co Ltd Hydraulic driving method and system for actuator
JPS5654302U (es) * 1979-09-29 1981-05-12
DE3044515A1 (de) * 1980-11-26 1982-06-03 bso Steuerungstechnik GmbH, 6603 Sulzbach Verstelleinrichtung fuer hydraulikpumpe mit verstellbarer foerdermenge
US4378675A (en) * 1981-01-14 1983-04-05 Mobil Oil Corporation Hydraulic pump interlock system
JPS5817202A (ja) * 1981-07-24 1983-02-01 Hitachi Constr Mach Co Ltd 油圧回路の制御方法
US4422290A (en) * 1981-08-26 1983-12-27 General Signal Hydraulic control system for governing steering and implement actuators

Also Published As

Publication number Publication date
AU559792B2 (en) 1987-03-19
EP0104613A3 (en) 1985-06-26
EP0104613B1 (en) 1988-03-30
JPH0421019B2 (es) 1992-04-08
EP0104613A2 (en) 1984-04-04
AU1569683A (en) 1984-03-29
JPS5991238A (ja) 1984-05-25
CA1210667A (en) 1986-09-02
DE3376129D1 (en) 1988-05-05
US4537029A (en) 1985-08-27

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