ATE358235T1 - Elektrohydraulische pumpensteuervorrichtung - Google Patents

Elektrohydraulische pumpensteuervorrichtung

Info

Publication number
ATE358235T1
ATE358235T1 AT02017037T AT02017037T ATE358235T1 AT E358235 T1 ATE358235 T1 AT E358235T1 AT 02017037 T AT02017037 T AT 02017037T AT 02017037 T AT02017037 T AT 02017037T AT E358235 T1 ATE358235 T1 AT E358235T1
Authority
AT
Austria
Prior art keywords
control device
pump control
displacement
pump
image
Prior art date
Application number
AT02017037T
Other languages
English (en)
Inventor
Dave P Smith
Original Assignee
Caterpillar 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 Caterpillar Inc filed Critical Caterpillar Inc
Application granted granted Critical
Publication of ATE358235T1 publication Critical patent/ATE358235T1/de

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/26—Control
    • F04B1/30—Control of machines or pumps with rotary cylinder blocks
    • F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/26—Control
    • F04B1/28—Control of machines or pumps with stationary cylinders
    • F04B1/29—Control of machines or pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B1/295—Control of machines or pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Valve Device For Special Equipments (AREA)
AT02017037T 2001-10-26 2002-07-29 Elektrohydraulische pumpensteuervorrichtung ATE358235T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/984,055 US6684636B2 (en) 2001-10-26 2001-10-26 Electro-hydraulic pump control system

Publications (1)

Publication Number Publication Date
ATE358235T1 true ATE358235T1 (de) 2007-04-15

Family

ID=25530264

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02017037T ATE358235T1 (de) 2001-10-26 2002-07-29 Elektrohydraulische pumpensteuervorrichtung

Country Status (4)

Country Link
US (1) US6684636B2 (de)
EP (1) EP1306552B1 (de)
AT (1) ATE358235T1 (de)
DE (1) DE60219120T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004251267A (ja) * 2002-04-03 2004-09-09 Borgwarner Inc 可変容積ポンプ及びその制御システム
JP2005249697A (ja) * 2004-03-08 2005-09-15 Jeol Ltd ノズル詰まり検出方法および分析装置
US8403098B2 (en) * 2005-02-28 2013-03-26 Caterpillar Inc. Work machine hydraulics control system
US8024925B2 (en) 2005-11-08 2011-09-27 Caterpillar Inc. Apparatus, system, and method for controlling a desired torque output
US7536856B2 (en) * 2005-11-30 2009-05-26 Caterpillar Inc. System for controlling a power output
DE102006009063A1 (de) * 2006-02-27 2007-08-30 Liebherr-Werk Nenzing Gmbh, Nenzing Verfahren sowie Vorrichtung zur Regelung eines hydraulischen Antriebssystems
US8155876B2 (en) * 2006-09-07 2012-04-10 The Boeing Company Systems and methods for controlling aircraft electrical power
US7798272B2 (en) * 2006-11-30 2010-09-21 Caterpillar Inc Systems and methods for controlling slip of vehicle drive members
KR101595116B1 (ko) * 2008-03-10 2016-02-18 파커-한니핀 코포레이션 다중 액추에이터를 구비한 유압 시스템 및 관련 제어 방법
US8596057B2 (en) * 2009-10-06 2013-12-03 Caterpillar Inc. Method and apparatus for controlling a variable displacement hydraulic pump
DE102010020528B4 (de) 2010-05-14 2023-05-17 Robert Bosch Gmbh Hydrostatischer Antrieb
US8165765B2 (en) 2010-05-28 2012-04-24 Caterpillar Inc. Variator pressure-set torque control
WO2012092648A1 (en) * 2011-01-03 2012-07-12 Douglas Michael Young Method for unobtrusive adaptation to enable power steering in vintage cars
DE102012022997A1 (de) * 2012-11-24 2014-05-28 Robert Bosch Gmbh Verstelleinrichtung für eine Hydromaschine und hydraulische Axialkolbenmaschine
DE102020211288A1 (de) 2020-02-13 2021-08-19 Robert Bosch Gesellschaft mit beschränkter Haftung Hydraulisches Antriebssystem

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665814A (en) 1970-08-20 1972-05-30 Delavan Manufacturing Co Hydraulic motor control
US3976098A (en) 1974-01-02 1976-08-24 International Basic Economy Corporation Hydraulic motor control apparatus
US4074529A (en) 1977-01-04 1978-02-21 Tadeusz Budzich Load responsive system pump controls
US4399653A (en) 1980-03-14 1983-08-23 Pylat Jr John A Automatic adjusting deceleration control for a hydrostatically powered device
DE3165981D1 (en) 1980-06-04 1984-10-18 Hitachi Construction Machinery Circuit pressure control system for hydrostatic power transmission
US4561250A (en) 1981-02-10 1985-12-31 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system having a plurality of prime movers
DE3208250A1 (de) * 1982-03-08 1983-09-15 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zum steuern und/oder regeln einer axialkolbenmaschine
US4474104A (en) 1983-04-11 1984-10-02 Double A Products Co. Control system for variable displacement pumps and motors
CN1010794B (zh) 1986-01-11 1990-12-12 日立建机株式会社 液压泵输入功率控制系统
IN171213B (de) * 1988-01-27 1992-08-15 Hitachi Construction Machinery
KR930010906B1 (ko) 1989-12-14 1993-11-17 니뽄 에어브레이크 가부시끼가이샤 유압 모터의 제어 회로
JP2680459B2 (ja) 1990-03-07 1997-11-19 株式会社東芝 油圧エレベータの制御装置
EP0533958B1 (de) * 1991-04-12 1997-07-09 Hitachi Construction Machinery Co., Ltd. Hydraulisches antriebssystem für eine baumaschine
USH1191H (en) 1991-12-23 1993-06-01 Caterpillar Inc. Electromagnetically actuated spool valve
DE4243075B4 (de) * 1992-12-18 2005-11-10 Bosch Rexroth Ag Elektrisch geregelte Verstellpumpe
DE69431276T2 (de) * 1993-03-23 2003-05-28 Hitachi Construction Machinery Co., Ltd. Hydraulischer antrieb für hydraulische arbeitsmaschine
DE4327651C2 (de) * 1993-08-17 2000-05-25 Sauer Sundstrand Gmbh & Co Steuermodul für eine verstellbare Hydromaschine und Verwendung eines derartigen Steuermoduls für einen hydrostatischen Fahrantrieb
KR950019129A (ko) 1993-12-30 1995-07-22 김무 유압식 건설기계의 엔진-펌프 제어장치 및 방법
US5435131A (en) 1994-04-11 1995-07-25 Caterpillar Inc. Adaptive overspeed control for a hydrostatic transmission
US5554007A (en) 1994-10-17 1996-09-10 Caterpillar Inc. Variable displacement axial piston hydraulic unit
US5564905A (en) 1994-10-18 1996-10-15 Caterpillar Inc. Displacement control for a variable displacement axial piston pump
CA2213457C (en) 1995-03-14 2005-05-24 The Boeing Company Aircraft hydraulic pump control system
US5666806A (en) 1995-07-05 1997-09-16 Caterpillar Inc. Control system for a hydraulic cylinder and method
US5588805A (en) 1995-08-28 1996-12-31 Sauer Inc. Vibration and pressure attenuator for hydraulic units
DE19538649C2 (de) * 1995-10-17 2000-05-25 Brueninghaus Hydromatik Gmbh Leistungsregelung mit Load-Sensing
DE69625469T2 (de) * 1995-12-19 2003-10-02 Hitachi Construction Machinery Co., Ltd. Verfahren zur korrektur des ausgangsignals eines steuergerätes, steuergerät und steuergerät für hydraulikpumpe
US5876185A (en) 1996-11-20 1999-03-02 Caterpillar Inc. Load sensing pump control for a variable displacement pump
JPH10196606A (ja) 1996-12-27 1998-07-31 Shin Caterpillar Mitsubishi Ltd 油圧ポンプの制御装置
KR100466753B1 (ko) * 1997-04-16 2005-04-14 스미도모쥬기가이고교 가부시키가이샤 사판식가변용량펌프의제어장치
US5960695A (en) 1997-04-25 1999-10-05 Caterpillar Inc. System and method for controlling an independent metering valve
JP3533085B2 (ja) * 1998-04-23 2004-05-31 コベルコ建機株式会社 建設機械のポンプ制御装置
US6135724A (en) * 1998-07-08 2000-10-24 Oilquip, Inc. Method and apparatus for metering multiple injection pump flow
US6131391A (en) 1998-12-23 2000-10-17 Caterpillar Inc. Control system for controlling the speed of a hydraulic motor
US6179570B1 (en) 1999-06-08 2001-01-30 Caterpillar Inc. Variable pump control for hydraulic fan drive
US6375433B1 (en) 2000-07-07 2002-04-23 Caterpillar Inc. Method and apparatus for controlling pump discharge pressure of a variable displacement hydraulic pump
US6468046B1 (en) 2000-09-18 2002-10-22 Caterpillar Inc Apparatus and method for controlling a discharge pressure of a variable displacement hydraulic pump
US6374722B1 (en) 2000-10-26 2002-04-23 Caterpillar Inc. Apparatus and method for controlling a discharge pressure of a variable displacement hydraulic pump
US6623247B2 (en) 2001-05-16 2003-09-23 Caterpillar Inc Method and apparatus for controlling a variable displacement hydraulic pump

Also Published As

Publication number Publication date
US20030106314A1 (en) 2003-06-12
DE60219120D1 (de) 2007-05-10
EP1306552A2 (de) 2003-05-02
US6684636B2 (en) 2004-02-03
EP1306552B1 (de) 2007-03-28
EP1306552A3 (de) 2005-06-08
DE60219120T2 (de) 2007-07-12

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Legal Events

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