DE3780292T2 - Steuerungseinheit einer hydraulischen pumpe. - Google Patents

Steuerungseinheit einer hydraulischen pumpe.

Info

Publication number
DE3780292T2
DE3780292T2 DE8787905290T DE3780292T DE3780292T2 DE 3780292 T2 DE3780292 T2 DE 3780292T2 DE 8787905290 T DE8787905290 T DE 8787905290T DE 3780292 T DE3780292 T DE 3780292T DE 3780292 T2 DE3780292 T2 DE 3780292T2
Authority
DE
Germany
Prior art keywords
control unit
hydraulic pump
hydraulic
pump
unit
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 - Fee Related
Application number
DE8787905290T
Other languages
English (en)
Other versions
DE3780292D1 (de
Inventor
Takao Kamide
Kentaro Nakamura
Takaichi Saigo
Katsumi Yoshida
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.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27475529&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3780292(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP19124886A external-priority patent/JPS6350686A/ja
Priority claimed from JP61247085A external-priority patent/JP2816674B2/ja
Priority claimed from JP61288366A external-priority patent/JP2511913B2/ja
Priority claimed from JP61302343A external-priority patent/JP2724820B2/ja
Application filed by Komatsu Ltd filed Critical Komatsu Ltd
Publication of DE3780292D1 publication Critical patent/DE3780292D1/de
Application granted granted Critical
Publication of DE3780292T2 publication Critical patent/DE3780292T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
    • 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
    • F04B1/324—Control of machines or pumps with rotary cylinder blocks 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
    • 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
    • F04B2203/00—Motor parameters
    • F04B2203/06—Motor parameters of internal combustion engines
    • F04B2203/0601—Temperature
    • 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
    • F04B2203/00—Motor parameters
    • F04B2203/06—Motor parameters of internal combustion engines
    • F04B2203/0605—Rotational speed
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/05—Pressure after the pump outlet
DE8787905290T 1986-08-15 1987-08-15 Steuerungseinheit einer hydraulischen pumpe. Expired - Fee Related DE3780292T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP19124886A JPS6350686A (ja) 1986-08-15 1986-08-15 エンジンおよび可変容量型油圧ポンプの制御装置
JP61247085A JP2816674B2 (ja) 1986-10-17 1986-10-17 油圧ポンプ制御装置
JP61288366A JP2511913B2 (ja) 1986-12-03 1986-12-03 油圧ポンプ制御装置
JP61302343A JP2724820B2 (ja) 1986-12-18 1986-12-18 可変容量型油圧ポンプの制御装置
PCT/JP1987/000610 WO1988001349A1 (en) 1986-08-15 1987-08-15 Hydraulic pump control unit

Publications (2)

Publication Number Publication Date
DE3780292D1 DE3780292D1 (de) 1992-08-13
DE3780292T2 true DE3780292T2 (de) 1993-01-07

Family

ID=27475529

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3750677T Expired - Fee Related DE3750677T2 (de) 1986-08-15 1987-08-15 Vorrichtung zur Steuerung einer hydraulischen Pumpe.
DE8787905290T Expired - Fee Related DE3780292T2 (de) 1986-08-15 1987-08-15 Steuerungseinheit einer hydraulischen pumpe.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3750677T Expired - Fee Related DE3750677T2 (de) 1986-08-15 1987-08-15 Vorrichtung zur Steuerung einer hydraulischen Pumpe.

Country Status (4)

Country Link
US (1) US4904161A (de)
EP (2) EP0277253B1 (de)
DE (2) DE3750677T2 (de)
WO (1) WO1988001349A1 (de)

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JP2511925B2 (ja) * 1987-01-30 1996-07-03 株式会社小松製作所 建設機械のエンジン回転数制御装置
JP2752501B2 (ja) * 1989-06-21 1998-05-18 新キャタピラー三菱株式会社 ポンプトルク制御方法
JPH0338467A (ja) * 1989-07-04 1991-02-19 Toyota Autom Loom Works Ltd 産業車両の油圧装置
JP2578371B2 (ja) * 1989-09-22 1997-02-05 株式会社小松製作所 可変容量ポンプの容量制御装置
GB2251962B (en) * 1990-11-13 1995-05-24 Samsung Heavy Ind System for automatically controlling an operation of a heavy construction
US5141402A (en) * 1991-01-29 1992-08-25 Vickers, Incorporated Power transmission
DE4102621A1 (de) * 1991-01-30 1992-08-06 Orenstein & Koppel Ag Hydrostatischer antrieb fuer arbeitsmaschinen
JP3064574B2 (ja) * 1991-09-27 2000-07-12 株式会社小松製作所 油圧掘削機における作業油量切換制御装置
CA2062591C (en) * 1991-11-13 1999-05-11 Isao Murota Method for controlling engine for driving hydraulic pump to operate hydraulic actuator for construction equipment
JPH07102602B2 (ja) * 1992-06-09 1995-11-08 日精樹脂工業株式会社 射出成形機の制御方法及び装置
JP3098859B2 (ja) * 1992-06-10 2000-10-16 新キャタピラー三菱株式会社 可変容量型油圧ポンプと油圧ポンプ駆動エンジンの制御方法
JP3088565B2 (ja) * 1992-06-12 2000-09-18 新キャタピラー三菱株式会社 油圧駆動機械の油圧ポンプ制御装置およびその制御方法
JP3220579B2 (ja) * 1993-10-05 2001-10-22 新キャタピラー三菱株式会社 建設機械の油圧システム制御方法
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US5576962A (en) * 1995-03-16 1996-11-19 Caterpillar Inc. Control system and method for a hydrostatic drive system
JPH09177679A (ja) * 1995-12-22 1997-07-11 Hitachi Constr Mach Co Ltd ポンプトルク制御装置
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JPH10220359A (ja) * 1997-01-31 1998-08-18 Komatsu Ltd 可変容量型ポンプの制御装置
JP3383754B2 (ja) * 1997-09-29 2003-03-04 日立建機株式会社 油圧建設機械の油圧ポンプのトルク制御装置
DE19930648A1 (de) * 1999-07-02 2001-01-11 Daimler Chrysler Ag Elektrohydraulische Druckversorgung mit verstellbarer Pumpe und regelbarem elektrischem Antrieb
JP4098955B2 (ja) * 2000-12-18 2008-06-11 日立建機株式会社 建設機械の制御装置
JP3865590B2 (ja) * 2001-02-19 2007-01-10 日立建機株式会社 建設機械の油圧回路
DE10124564A1 (de) 2001-05-14 2002-11-28 Joma Hydromechanic Gmbh Verfahren zum Verstellen einer volumenstromvariablen Verdrängerpumpe in einem Brennkraftmotor
JP4115994B2 (ja) * 2002-09-26 2008-07-09 日立建機株式会社 建設機械の制御装置および入力トルク演算方法
DE10307190A1 (de) * 2003-02-20 2004-09-16 O & K Orenstein & Koppel Gmbh Verfahren zur Steuerung eines Hydrauliksystems einer mobilen Arbeitsmaschine
CN100420840C (zh) * 2003-08-11 2008-09-24 株式会社小松制作所 油压驱动控制装置及具有该装置的油压挖掘机
JP4163073B2 (ja) * 2003-08-12 2008-10-08 日立建機株式会社 作業車両の制御装置
JP4675320B2 (ja) * 2004-04-08 2011-04-20 株式会社小松製作所 作業機械の油圧駆動装置
GB2429795B (en) * 2004-05-07 2008-06-04 Komatsu Mfg Co Ltd Hydraulic drive apparatus of work machine
US20060198736A1 (en) * 2005-03-01 2006-09-07 Caterpillar Inc. Pump control system for variable displacement pump
JP4866568B2 (ja) * 2005-05-25 2012-02-01 カルソニックカンセイ株式会社 可変容量コンプレッサのトルク算出装置
US7962768B2 (en) * 2007-02-28 2011-06-14 Caterpillar Inc. Machine system having task-adjusted economy modes
US8374755B2 (en) 2007-07-31 2013-02-12 Caterpillar Inc. Machine with task-dependent control
DE102008026308B4 (de) * 2008-05-31 2023-04-20 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Schmierstoff-Versorgungssystem
US8080888B1 (en) * 2008-08-12 2011-12-20 Sauer-Danfoss Inc. Hydraulic generator drive system
WO2011079246A2 (en) * 2009-12-23 2011-06-30 Indiana University Research & Technology Corporation Central wind turbine power generation
KR101637571B1 (ko) * 2009-12-23 2016-07-20 두산인프라코어 주식회사 건설기계의 유압펌프 제어장치 및 제어방법
US8720629B2 (en) * 2009-12-24 2014-05-13 Doosan Infracore Co., Ltd. Power control apparatus and power control method of construction machine
JP5363369B2 (ja) * 2010-02-05 2013-12-11 日立建機株式会社 建設機械の油圧駆動装置
US9086143B2 (en) 2010-11-23 2015-07-21 Caterpillar Inc. Hydraulic fan circuit having energy recovery
KR101754423B1 (ko) * 2010-12-22 2017-07-20 두산인프라코어 주식회사 굴삭기의 유압펌프 제어방법
CN103062026B (zh) * 2012-12-24 2013-11-20 北汽福田汽车股份有限公司 一种用于混凝土泵送机械的泵排量控制方法和设备
KR101969175B1 (ko) * 2012-12-24 2019-04-15 두산인프라코어 주식회사 자동 변속식 굴삭기
KR102015141B1 (ko) * 2013-03-29 2019-08-27 두산인프라코어 주식회사 건설기계 유압펌프 제어 장치 및 방법
JP2015140763A (ja) * 2014-01-30 2015-08-03 キャタピラー エス エー アール エル エンジン・ポンプ制御装置および作業機械
US9869311B2 (en) * 2015-05-19 2018-01-16 Caterpillar Inc. System for estimating a displacement of a pump
JP6454264B2 (ja) * 2015-12-25 2019-01-16 株式会社Kcm 作業機械
US10633827B2 (en) * 2017-10-16 2020-04-28 Deere & Company Temperature responsive hydraulic derate
US11820528B2 (en) * 2022-03-28 2023-11-21 Hamilton Sundstrand Corporation Electronic controller with off-load and anti-stall capability for Ram air turbine variable displacement hydraulic pump
DE102022203051B3 (de) 2022-03-29 2023-10-12 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Betreiben einer drehzahlvariablen Pumpe

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Also Published As

Publication number Publication date
EP0277253B1 (de) 1992-07-08
US4904161A (en) 1990-02-27
EP0457365A3 (en) 1992-08-12
EP0457365B1 (de) 1994-10-19
EP0277253A1 (de) 1988-08-10
WO1988001349A1 (en) 1988-02-25
DE3780292D1 (de) 1992-08-13
EP0457365A2 (de) 1991-11-21
EP0277253A4 (de) 1990-02-22
DE3750677T2 (de) 1995-02-23
DE3750677D1 (de) 1994-11-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee