DE69628529D1 - Hydraulische steuerung - Google Patents

Hydraulische steuerung

Info

Publication number
DE69628529D1
DE69628529D1 DE69628529T DE69628529T DE69628529D1 DE 69628529 D1 DE69628529 D1 DE 69628529D1 DE 69628529 T DE69628529 T DE 69628529T DE 69628529 T DE69628529 T DE 69628529T DE 69628529 D1 DE69628529 D1 DE 69628529D1
Authority
DE
Germany
Prior art keywords
hydraulic control
hydraulic
control
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
DE69628529T
Other languages
English (en)
Other versions
DE69628529T2 (de
Inventor
Genroku Sugiyama
Toichi Hirata
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co 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
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of DE69628529D1 publication Critical patent/DE69628529D1/de
Application granted granted Critical
Publication of DE69628529T2 publication Critical patent/DE69628529T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/045—Compensating for variations in viscosity or 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
    • 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
    • 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
    • F04B49/08—Regulating by delivery pressure
    • 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
    • F04B49/10—Other safety measures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/002—Electrical failure
    • 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
    • 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
    • F04B2205/06—Pressure in a (hydraulic) circuit
    • F04B2205/062—Pressure in a (hydraulic) circuit before a throttle
    • 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
    • F04B2205/11—Outlet temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Computer Hardware Design (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
DE69628529T 1995-03-03 1996-03-01 Hydraulische steuerung Expired - Fee Related DE69628529T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4424095 1995-03-03
JP4424095 1995-03-03
PCT/JP1996/000498 WO1996027741A1 (fr) 1995-03-03 1996-03-01 Systeme de commande hydraulique

Publications (2)

Publication Number Publication Date
DE69628529D1 true DE69628529D1 (de) 2003-07-10
DE69628529T2 DE69628529T2 (de) 2004-04-29

Family

ID=12686019

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69628529T Expired - Fee Related DE69628529T2 (de) 1995-03-03 1996-03-01 Hydraulische steuerung

Country Status (6)

Country Link
US (1) US5758499A (de)
EP (1) EP0773370B1 (de)
KR (1) KR0167428B1 (de)
CN (1) CN1072778C (de)
DE (1) DE69628529T2 (de)
WO (1) WO1996027741A1 (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3497031B2 (ja) * 1995-03-07 2004-02-16 日立建機株式会社 油圧ポンプ制御装置
DE19622267C1 (de) * 1996-06-03 1997-12-18 Sauer Sundstrand Gmbh & Co Steuer- und Regelsystem für verstellbare Hydraulikpumpen mit Maximaldruckbegrenzung
US6371733B1 (en) * 1997-04-11 2002-04-16 Accuspray, Inc. Pump with hydraulic load sensor and controller
US6510824B2 (en) * 1997-12-11 2003-01-28 Diesel Engine Retarders, Inc. Variable lost motion valve actuator and method
US8820276B2 (en) 1997-12-11 2014-09-02 Jacobs Vehicle Systems, Inc. Variable lost motion valve actuator and method
CA2260684C (en) * 1998-02-06 2004-06-01 Robert D. Backer Pump enable system and method
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
JP3390707B2 (ja) * 1999-10-19 2003-03-31 住友建機製造株式会社 建設機械の制御装置
ITMI20010202U1 (it) * 2001-04-05 2002-10-07 Intes S P A Macchina per tendere nastri migliorata
JP3775245B2 (ja) * 2001-06-11 2006-05-17 コベルコ建機株式会社 建設機械のポンプ制御装置
US6827050B2 (en) * 2001-12-21 2004-12-07 Caterpillar Inc Fluid control valve actuating system
US20030121258A1 (en) * 2001-12-28 2003-07-03 Kazunori Yoshino Hydraulic control system for reducing motor cavitation
CN100379951C (zh) * 2002-01-30 2008-04-09 柴油发动机减震器有限公司 发动机阀驱动系统和驱动发动机阀的方法
KR100518769B1 (ko) * 2003-06-19 2005-10-05 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 유압펌프 토출유량 제어회로
CN101929176B (zh) * 2003-09-02 2013-04-10 株式会社小松制作所 轮式装载机
JP4453411B2 (ja) * 2004-03-18 2010-04-21 コベルコ建機株式会社 作業機械の油圧制御装置
US8403098B2 (en) 2005-02-28 2013-03-26 Caterpillar Inc. Work machine hydraulics control system
CN100422451C (zh) * 2005-03-28 2008-10-01 广西柳工机械股份有限公司 挖掘机全功率控制方法
JP2007205464A (ja) * 2006-02-01 2007-08-16 Bosch Rexroth Corp 可変容量ポンプの制御方法
JP4896774B2 (ja) * 2007-02-28 2012-03-14 日立建機株式会社 油圧作業機械の安全装置
JP4245065B2 (ja) * 2007-06-07 2009-03-25 ダイキン工業株式会社 流体圧ユニット
JP5172477B2 (ja) * 2008-05-30 2013-03-27 カヤバ工業株式会社 ハイブリッド建設機械の制御装置
CN101608648B (zh) 2009-07-06 2011-04-06 三一重工股份有限公司 获取液压泵的排量控制机构特性参数的方法和检测装置
JP5372674B2 (ja) * 2009-09-04 2013-12-18 キャタピラー エス エー アール エル 作業機械の油圧制御装置
DE102010001150A1 (de) * 2010-01-22 2011-07-28 Robert Bosch GmbH, 70469 Verfahren zum Steuern der Fördermenge einer Förderpumpe
JP5351813B2 (ja) * 2010-03-31 2013-11-27 株式会社クボタ 作業車の油圧システム
KR101742322B1 (ko) * 2010-12-24 2017-06-01 두산인프라코어 주식회사 전자유압펌프용 비상 제어부를 포함하는 건설기계의 유압 시스템
DE102011013771A1 (de) * 2011-03-12 2012-09-13 Robert Bosch Gmbh Hilfsantrieb für Arbeitsgeräte
JP5631829B2 (ja) * 2011-09-21 2014-11-26 住友重機械工業株式会社 油圧制御装置及び油圧制御方法
US8668042B2 (en) * 2011-11-29 2014-03-11 Caterpillar Inc. System and method for controlling hydraulic system based on temperature
KR101958489B1 (ko) * 2011-12-27 2019-03-14 두산인프라코어 주식회사 유압시스템의 전자유압펌프의 압력 오버슈팅 방지 시스템
DE102013214861A1 (de) * 2012-08-16 2014-05-22 Robert Bosch Gmbh Verstellvorrichtung für eine hydrostatische Pumpe und hydrostatische Pumpe
DE102012016591B4 (de) * 2012-08-16 2016-01-14 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Temperaturermittlungsverfahren in einer Hydraulikanordnung
WO2014061741A1 (ja) * 2012-10-18 2014-04-24 日立建機株式会社 作業機械
CN104369417A (zh) * 2013-08-13 2015-02-25 宁夏嘉翔自控技术有限公司 一种压球机防噎机的控制装置
US9759212B2 (en) 2015-01-05 2017-09-12 Danfoss Power Solutions Inc. Electronic load sense control with electronic variable load sense relief, variable working margin, and electronic torque limiting
DE102015201318A1 (de) * 2015-01-27 2016-08-11 Robert Bosch Gmbh Hydraulische Steueranordnung zur Druckmittelversorgung wenigstens zweier hydraulischer Verbraucher
US9869311B2 (en) * 2015-05-19 2018-01-16 Caterpillar Inc. System for estimating a displacement of a pump
JP6603568B2 (ja) * 2015-12-14 2019-11-06 川崎重工業株式会社 油圧駆動システム
US10900504B2 (en) * 2015-12-31 2021-01-26 Westinghouse Electric Company Llc Hydraulic apparatus and hydraulic appliance usable therein
WO2017218991A1 (en) * 2016-06-16 2017-12-21 Moog Inc. Fluid metering valve
DE102016113282A1 (de) * 2016-07-19 2018-01-25 GETRAG B.V. & Co. KG Temperaturermittlungsverfahren in einer Hydraulikanordnung
CN108071620A (zh) 2016-11-16 2018-05-25 丹佛斯动力系统（浙江）有限公司 电控阀、液压泵、和具备可切换控制功能的液压泵系统
JP6726127B2 (ja) * 2017-03-30 2020-07-22 川崎重工業株式会社 油圧システム
JP6970533B2 (ja) * 2017-06-16 2021-11-24 川崎重工業株式会社 油圧システム
JP2019199847A (ja) * 2018-05-17 2019-11-21 ナブテスコ株式会社 油圧ポンプ
JP7001573B2 (ja) * 2018-11-06 2022-01-19 ヤンマーパワーテクノロジー株式会社 建設機械
IT202000005020A1 (it) 2020-03-09 2021-09-09 Pmp Pro Mec S P A Pompa idraulica a cilindrata variabile
CN111577708B (zh) * 2020-04-27 2022-05-20 中联重科股份有限公司 液压油缸活塞行程控制方法、设备、系统及液压机械
KR20220078335A (ko) * 2020-12-03 2022-06-10 현대두산인프라코어(주) 유압 시스템

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920010875B1 (ko) * 1988-06-29 1992-12-19 히다찌 겐끼 가부시기가이샤 유압구동장치
JPH0768966B2 (ja) * 1989-12-04 1995-07-26 日立建機株式会社 油圧ポンプの制御装置
JPH0564506A (ja) * 1991-09-05 1993-03-19 Kubota Corp 田植機の植付部
DE4141108A1 (de) * 1991-12-13 1993-06-17 Putzmeister Maschf Einrichtung zur regelung des ausgangsdruckes einer verstellpumpe
JP3139767B2 (ja) * 1992-08-25 2001-03-05 日立建機株式会社 油圧作業機の油圧駆動装置
JPH06213205A (ja) * 1993-01-14 1994-08-02 Hitachi Constr Mach Co Ltd 油圧機械の油圧駆動装置
KR0145144B1 (ko) * 1993-03-23 1998-08-01 오까다 하지메 유압작업기의 유압구동장치
DE4313597B4 (de) * 1993-04-26 2005-09-15 Linde Ag Verfahren zum Betreiben einer verstellbaren hydrostatischen Pumpe und dafür ausgebildetes hydrostatisches Antriebssystem
DE69427535T2 (de) * 1993-11-30 2001-10-04 Hitachi Construction Machinery Co., Ltd. Hydraulischer pumpenregler

Also Published As

Publication number Publication date
US5758499A (en) 1998-06-02
EP0773370A1 (de) 1997-05-14
CN1147847A (zh) 1997-04-16
WO1996027741A1 (fr) 1996-09-12
DE69628529T2 (de) 2004-04-29
KR0167428B1 (ko) 1998-12-01
EP0773370A4 (de) 1998-06-17
EP0773370B1 (de) 2003-06-04
CN1072778C (zh) 2001-10-10

Similar Documents

Publication Publication Date Title
DE69628529D1 (de) Hydraulische steuerung
DE69617634D1 (de) Hydraulische steuervorrichtung
DE59403208D1 (de) Hydrauliksteuersystem
DE69609964D1 (de) Druckkompensiertes hydraulisches regelsystem
DE69904112D1 (de) Hydraulisches Steuerungssystem
FR2742401B1 (fr) Servodirection hydraulique
DE59603366D1 (de) Hydraulikaggregat
DE69619790D1 (de) Hydrauliksystem
DE59602156D1 (de) Bediengerät
DE59608475D1 (de) Fluidisches Steuerelement
DE69626091D1 (de) Numerische steuerung
GB2314057B (en) Hydraulic control arrangement
DE69717934D1 (de) Hydraulische Steuereinheit
DE69530827D1 (de) Hydraulische Steuervorrichtung
DE69604208D1 (de) Regelventil
DE59404899D1 (de) Hydraulisches steuerventil
DE69626243D1 (de) Hydraulisches Servoventil
NO964175L (no) Hydraulisk ventilstyring
DK21796A (da) Vandhydraulik-reguleringsventil
DE69626096D1 (de) Numerisches steuergerat
DE69621091D1 (de) Programmierbare Steuerung
DE59601303D1 (de) Steuergerät
DE59605189D1 (de) Hydraulisch betätigbares wegeventil
BR9707693A (pt) Dispositivo de controle hidráulico
DE69604130D1 (de) Hydraulik-Durchflussregler

Legal Events

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