DE60219120D1 - Elektrohydraulische Pumpensteuervorrichtung - Google Patents

Elektrohydraulische Pumpensteuervorrichtung

Info

Publication number
DE60219120D1
DE60219120D1 DE60219120T DE60219120T DE60219120D1 DE 60219120 D1 DE60219120 D1 DE 60219120D1 DE 60219120 T DE60219120 T DE 60219120T DE 60219120 T DE60219120 T DE 60219120T DE 60219120 D1 DE60219120 D1 DE 60219120D1
Authority
DE
Germany
Prior art keywords
control device
pump control
displacement
pump
image
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.)
Expired - Lifetime
Application number
DE60219120T
Other languages
English (en)
Other versions
DE60219120T2 (de
Inventor
Dave P Caterpillar Smith
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.)
Caterpillar Inc
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
Publication of DE60219120D1 publication Critical patent/DE60219120D1/de
Application granted granted Critical
Publication of DE60219120T2 publication Critical patent/DE60219120T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE60219120T 2001-10-26 2002-07-29 Elektrohydraulische Pumpensteuervorrichtung Expired - Lifetime DE60219120T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/984,055 US6684636B2 (en) 2001-10-26 2001-10-26 Electro-hydraulic pump control system
US984055 2001-10-26

Publications (2)

Publication Number Publication Date
DE60219120D1 true DE60219120D1 (de) 2007-05-10
DE60219120T2 DE60219120T2 (de) 2007-07-12

Family

ID=25530264

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60219120T Expired - Lifetime DE60219120T2 (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)

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* Cited by examiner, † Cited by third party
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US7018178B2 (en) * 2002-04-03 2006-03-28 Borgwarner Inc. Variable displacement pump and control therefore for supplying lubricant to an engine
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
EP2250379B1 (de) * 2008-03-10 2013-03-20 Parker-Hannifin Corporation Hydraulisches system mit mehreren stellantrieben und verfahren zu dessen steuerung
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
AU2012205021B2 (en) * 2011-01-03 2017-02-02 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

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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
EP0041273B1 (de) 1980-06-04 1984-09-12 Hitachi Construction Machinery Co., Ltd. Druckregeleinrichtung für ein hydrostatisches Getriebe
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
US5295795A (en) * 1991-04-12 1994-03-22 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for construction machine
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
WO1994021925A1 (en) * 1993-03-23 1994-09-29 Hitachi Construction Machinery Co., Ltd. Hydraulic drive for hydraulic work machine
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
WO1997022914A1 (fr) * 1995-12-19 1997-06-26 Hitachi Construction Machinery Co., Ltd. Methode de correction de sortie pour appareil de commande, appareil de commande et appareil de commande de pompe hydraulique
WO1996028660A1 (en) 1995-03-14 1996-09-19 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
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
US6684636B2 (en) 2004-02-03
EP1306552A3 (de) 2005-06-08
ATE358235T1 (de) 2007-04-15
EP1306552A2 (de) 2003-05-02
US20030106314A1 (en) 2003-06-12
EP1306552B1 (de) 2007-03-28
DE60219120T2 (de) 2007-07-12

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Legal Events

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