JP4494535B2 - 可変容量形ポンプを制御する装置および方法 - Google Patents

可変容量形ポンプを制御する装置および方法 Download PDF

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JP4494535B2
JP4494535B2 JP55304399A JP55304399A JP4494535B2 JP 4494535 B2 JP4494535 B2 JP 4494535B2 JP 55304399 A JP55304399 A JP 55304399A JP 55304399 A JP55304399 A JP 55304399A JP 4494535 B2 JP4494535 B2 JP 4494535B2
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Japan
Prior art keywords
capacity
pump
pump capacity
civil engineering
engineering machine
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JP55304399A
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Japanese (ja)
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JP2002508042A (ja
JP2002508042A5 (enExample
Inventor
ディー． クレガー，トッド
ピー． ディーツ，ハンス
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キャタピラー インコーポレイティド
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    • 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
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller
    • 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
    • E02F9/2025—Particular purposes of control systems not otherwise provided for
    • 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
    • E02F9/2282—Systems using center bypass type changeover valves
    • 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

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
JP55304399A 1998-04-23 1999-04-14 可変容量形ポンプを制御する装置および方法 Expired - Lifetime JP4494535B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/065,273 1998-04-23
US09/065,273 US6073442A (en) 1998-04-23 1998-04-23 Apparatus and method for controlling a variable displacement pump
PCT/US1999/007739 WO1999054557A1 (en) 1998-04-23 1999-04-14 Apparatus and method for controlling a variable displacement pump

Publications (3)

Publication Number Publication Date
JP2002508042A JP2002508042A (ja) 2002-03-12
JP2002508042A5 JP2002508042A5 (enExample) 2006-08-24
JP4494535B2 true JP4494535B2 (ja) 2010-06-30

Family

ID=22061556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55304399A Expired - Lifetime JP4494535B2 (ja) 1998-04-23 1999-04-14 可変容量形ポンプを制御する装置および方法

Country Status (4)

Country Link
US (1) US6073442A (enExample)
EP (1) EP0991823A1 (enExample)
JP (1) JP4494535B2 (enExample)
WO (1) WO1999054557A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014185754A (ja) * 2013-03-25 2014-10-02 Hitachi Constr Mach Co Ltd 作業車両の自動変速装置

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020112475A1 (en) * 2001-02-07 2002-08-22 Michael Cannestra Method and apparatus for controlling fluid pressure in a hydraulically-actuated device
JP4223893B2 (ja) 2002-10-23 2009-02-12 株式会社小松製作所 作業車両の作業機用油圧ポンプの制御方法と制御装置
CN1846047B (zh) * 2003-09-02 2010-12-01 株式会社小松制作所 发动机控制装置
WO2006006600A1 (ja) * 2004-07-14 2006-01-19 Komatsu Ltd. 作業車両の作業機用油圧ポンプの制御装置
US7130721B2 (en) * 2004-10-29 2006-10-31 Caterpillar Inc Electrohydraulic control system
JP4712811B2 (ja) * 2005-10-14 2011-06-29 株式会社小松製作所 作業車両のエンジンおよび油圧ポンプの制御装置および方法
US7546729B2 (en) * 2006-12-18 2009-06-16 Caterpillar Inc. Method and system for limiting torque load associated with an implement
KR101382861B1 (ko) 2006-12-26 2014-04-08 히다찌 겐끼 가부시키가이샤 작업 차량의 스티어링 시스템
JP4993575B2 (ja) * 2006-12-26 2012-08-08 日立建機株式会社 作業車両のステアリングシステム
JP4941928B2 (ja) * 2006-12-26 2012-05-30 日立建機株式会社 作業車両のステアリングシステム
CN102037194B (zh) * 2008-03-21 2013-12-04 株式会社小松制作所 作业车辆、作业车辆的控制装置以及作业车辆的液压油量控制方法
US8435010B2 (en) 2010-04-29 2013-05-07 Eaton Corporation Control of a fluid pump assembly
US9739273B2 (en) 2014-05-21 2017-08-22 Caterpillar Inc. Rotatable component overspeed protection method
EP3997346A1 (en) * 2019-07-08 2022-05-18 Danfoss Power Solutions II Technology A/S Hydraulic system architectures and bidirectional proportional valves usable in the system architectures
GB2609655B (en) 2021-08-12 2025-01-29 Caterpillar Inc Axial piston pump controller
CN115324150B (zh) * 2022-08-25 2023-09-05 江苏徐工工程机械研究院有限公司 挖掘装载机控制方法以及挖掘装载机

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US4655689A (en) * 1985-09-20 1987-04-07 General Signal Corporation Electronic control system for a variable displacement pump
US4823552A (en) * 1987-04-29 1989-04-25 Vickers, Incorporated Failsafe electrohydraulic control system for variable displacement pump
JP2711894B2 (ja) * 1989-04-28 1998-02-10 株式会社小松製作所 油圧駆動車の可変容量ポンプ制御装置
US5218895A (en) * 1990-06-15 1993-06-15 Caterpillar Inc. Electrohydraulic control apparatus and method
JP2520771B2 (ja) * 1990-07-18 1996-07-31 株式会社小松製作所 積み込み作業車両の制御方法及び装置
WO1992004505A1 (fr) * 1990-09-11 1992-03-19 Hitachi Construction Machinery Co., Ltd. Systeme de commande hydraulique dans un engin de chantier
DE69220293T2 (de) * 1991-01-28 1998-01-22 Hitachi Construction Machinery Hydraulisches steuerungssystem für hydraulische erdbaumaschine
US5267441A (en) * 1992-01-13 1993-12-07 Caterpillar Inc. Method and apparatus for limiting the power output of a hydraulic system
US5249421A (en) * 1992-01-13 1993-10-05 Caterpillar Inc. Hydraulic control apparatus with mode selection
US5214916A (en) * 1992-01-13 1993-06-01 Caterpillar Inc. Control system for a hydraulic work vehicle
JPH05256303A (ja) * 1992-01-15 1993-10-05 Caterpillar Inc 油圧回路制御装置
US5468126A (en) * 1993-12-23 1995-11-21 Caterpillar Inc. Hydraulic power control system
US5525043A (en) * 1993-12-23 1996-06-11 Caterpillar Inc. Hydraulic power control system
US5490384A (en) * 1994-12-08 1996-02-13 Caterpillar Inc. Hydraulic flow priority system
US5540049A (en) * 1995-08-01 1996-07-30 Caterpillar Inc. Control system and method for a hydraulic actuator with velocity and force modulation control
CA2201626A1 (en) * 1995-10-09 1997-04-09 Shin Caterpillar Mitsubishi Ltd. Control apparatus for construction machine
US5680760A (en) * 1996-03-28 1997-10-28 Caterpillar Inc. Hydraulic drive system
JP3567051B2 (ja) * 1996-06-12 2004-09-15 新キャタピラー三菱株式会社 油圧アクチュエータ用の操作制御装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014185754A (ja) * 2013-03-25 2014-10-02 Hitachi Constr Mach Co Ltd 作業車両の自動変速装置

Also Published As

Publication number Publication date
WO1999054557A1 (en) 1999-10-28
JP2002508042A (ja) 2002-03-12
US6073442A (en) 2000-06-13
EP0991823A1 (en) 2000-04-12

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