PE20121310A1 - Tecnica para controlar bombas en un sistema hidraulico - Google Patents

Tecnica para controlar bombas en un sistema hidraulico

Info

Publication number
PE20121310A1
PE20121310A1 PE2012000231A PE2012000231A PE20121310A1 PE 20121310 A1 PE20121310 A1 PE 20121310A1 PE 2012000231 A PE2012000231 A PE 2012000231A PE 2012000231 A PE2012000231 A PE 2012000231A PE 20121310 A1 PE20121310 A1 PE 20121310A1
Authority
PE
Peru
Prior art keywords
pumps
hydraulic system
technique
fluid
control pumps
Prior art date
Application number
PE2012000231A
Other languages
English (en)
Inventor
Robert Weber
Wayne G Chmiel
Dave L Peruginil
Michael G Onsager
Joseph Helfrich
Original Assignee
Caterpillar Global Mining Llc
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 Global Mining Llc filed Critical Caterpillar Global Mining Llc
Publication of PE20121310A1 publication Critical patent/PE20121310A1/es

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
    • F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • F15B19/005—Fault detection or monitoring
    • 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
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • E02F9/2242—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20507—Type of prime mover
    • F15B2211/20515—Electric motor
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20538—Type of pump constant capacity
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20576—Systems with pumps with multiple pumps
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/265—Control of multiple pressure sources
    • F15B2211/2658—Control of multiple pressure sources by control of the prime movers
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple output members
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
    • F15B2211/31576—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and a single output member
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/632—Electronic controllers using input signals representing a flow rate
    • F15B2211/6323—Electronic controllers using input signals representing a flow rate the flow rate being a pressure source flow rate
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/633—Electronic controllers using input signals representing a state of the prime mover, e.g. torque or rotational speed
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6343—Electronic controllers using input signals representing a temperature
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/665—Methods of control using electronic components
    • F15B2211/6651—Control of the prime mover, e.g. control of the output torque or rotational speed
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/857—Monitoring of fluid pressure systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Operation Control Of Excavators (AREA)
  • Details Of Aerials (AREA)

Abstract

REFERIDO A UN METODO PARA CONTROLAR UNA PLURALIDAD DE BOMBAS EN UN SISTEMA HIDRAULICO QUE INCLUYE UN ACTUADOR HIDRAULICO. DICHO METODO COMPRENDE: MEDIR CUANTO HA SIDO UTILIZADA CADA UNA DE LA PLURALIDAD DE LAS BOMBAS; DETERMINAR LA DEMANDA POR FLUIDO PARA OPERAR EL ACTUADOR HIDRAULICO; ACTIVAR SELECTIVAMENTE CADA DE LA PLURALIDAD DE BOMBAS PARA ADMINISTRAR SUFICIENTE FLUIDO PARA SATISFACER LA DEMANDA DE FLUIDO, DONDE LA PLURALIDAD DE BOMBAS SON ACTIVADAS EN ORDEN SECUENCIAL DESDE LA BOMBA CON LA MENOR CANTIDAD DE USO A LA BOMBA CON MAYOR CANTIDAD DE USO
PE2012000231A 2009-09-10 2010-09-09 Tecnica para controlar bombas en un sistema hidraulico PE20121310A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/557,119 US20110056192A1 (en) 2009-09-10 2009-09-10 Technique for controlling pumps in a hydraulic system

Publications (1)

Publication Number Publication Date
PE20121310A1 true PE20121310A1 (es) 2012-10-07

Family

ID=43646589

Family Applications (2)

Application Number Title Priority Date Filing Date
PE2012000274A PE20121374A1 (es) 2009-09-10 2010-08-20 Arreglo de antena plana y articulo de fabricacion utilizando el mismo
PE2012000231A PE20121310A1 (es) 2009-09-10 2010-09-09 Tecnica para controlar bombas en un sistema hidraulico

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PE2012000274A PE20121374A1 (es) 2009-09-10 2010-08-20 Arreglo de antena plana y articulo de fabricacion utilizando el mismo

Country Status (10)

Country Link
US (1) US20110056192A1 (es)
CN (1) CN102782339A (es)
AU (1) AU2010292234A1 (es)
BR (1) BR112012003547A2 (es)
CA (1) CA2770482A1 (es)
CL (1) CL2012000399A1 (es)
IN (1) IN2012DN00738A (es)
PE (2) PE20121374A1 (es)
WO (1) WO2011031851A2 (es)
ZA (1) ZA201201743B (es)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9032724B2 (en) * 2010-06-21 2015-05-19 Husco International Inc. Command based method for allocating fluid flow from a plurality of pumps to multiple hydraulic functions
US9091281B2 (en) 2011-03-15 2015-07-28 Husco International, Inc. System for allocating fluid from multiple pumps to a plurality of hydraulic functions on a priority basis
WO2012148437A1 (en) 2011-04-29 2012-11-01 Harnischfeger Technologies, Inc. Controlling a digging operation of an industrial machine
US9140255B2 (en) 2011-10-25 2015-09-22 Hydrotech, Inc. Pump monitoring device
US9234587B2 (en) 2012-05-23 2016-01-12 Caterpillar Global Mining Llc Multi-capacity cylinder
JP5968189B2 (ja) * 2012-10-26 2016-08-10 住友重機械工業株式会社 ショベル管理装置及びショベル管理方法
US9580888B2 (en) * 2013-02-08 2017-02-28 Doosan Infracore Co., Ltd. Apparatus and method for controlling oil hydraulic pump for excavator
KR101534697B1 (ko) * 2013-05-09 2015-07-07 현대자동차 주식회사 오일 공급 시스템
US9937990B2 (en) 2014-08-01 2018-04-10 Circor Pumps North America, Llc Intelligent sea water cooling system
JP6474702B2 (ja) * 2015-09-07 2019-02-27 日立建機株式会社 作業機械の駆動装置
WO2017208243A1 (en) * 2016-05-31 2017-12-07 Clinicare Ltd. Breast pump or other medical devices with dynamically adaptive pump configuration providing error detection and distinctive suction profile
US10125629B2 (en) * 2016-07-29 2018-11-13 United Technologies Corporation Systems and methods for assessing the health of a first apparatus by monitoring a dependent second apparatus
KR101972426B1 (ko) 2016-07-29 2019-04-25 가부시키가이샤 고마쓰 세이사쿠쇼 제어 시스템, 작업 기계, 및 제어 방법
CN107850094B (zh) 2016-08-26 2019-08-30 株式会社小松制作所 控制***、作业机械及控制方法
DE102016217541A1 (de) 2016-09-14 2018-03-15 Robert Bosch Gmbh Hydraulisches Antriebssystem mit mehreren Zulaufleitungen
US10466135B2 (en) 2016-11-08 2019-11-05 Iot Diagnostics Llc Pump efficiency of a fluid pump
US10605278B2 (en) * 2017-03-27 2020-03-31 Mohammad Ebrahimi Hydraulic leak detection system
CN110439882B (zh) * 2018-05-03 2020-07-28 杭州诺云科技有限公司 一种集中液压站节能优化方法及***
DE102018111652A1 (de) * 2018-05-15 2019-11-21 STAHLWILLE Eduard Wille GmbH & Co. KG Werkzeug und Verfahren zum Betätigen eines Werkzeuges
DE202018106686U1 (de) * 2018-11-23 2020-02-26 Aradex Ag Antriebssystem
DK3670929T3 (da) * 2018-12-20 2022-09-12 Siemens Gamesa Renewable Energy As Hydraulisk pumpeindretning
US20200332791A1 (en) * 2019-04-19 2020-10-22 Baker Hughes Oilfield Operations Llc Regenerated Power Accumulator for Rod Lift Drive
CN112268028B (zh) * 2020-10-19 2023-01-06 山推工程机械股份有限公司 一种压路机行走***及行走控制方法
KR102288976B1 (ko) * 2021-05-06 2021-08-11 주식회사 평강비아이엠 전기적 효율성이 개선된 전기유압시스템
EP4098889B1 (en) * 2021-06-02 2023-09-20 AIRBUS HELICOPTERS DEUTSCHLAND GmbH A failure detection apparatus for a hydraulic system
WO2023239659A1 (en) * 2022-06-06 2023-12-14 Husco International, Inc. Hydraulic control systems and methods

Family Cites Families (100)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3425574A (en) * 1967-01-25 1969-02-04 Bucyrus Erie Co Hydraulic power unit for a doubleacting cylinder
DE2331617A1 (de) * 1973-06-22 1975-01-16 Bosch Gmbh Robert Regeleinrichtung fuer hydropumpen
US4050478A (en) * 1975-04-23 1977-09-27 International Harvester Company Combined fixed and variable displacement pump system
US4230022A (en) * 1976-10-04 1980-10-28 Caterpillar Tractor Co. Hydraulic rock breaker circuit for an excavator
US4606313A (en) * 1980-10-09 1986-08-19 Hitachi Construction Machinery Co., Ltd. Method of and system for controlling hydraulic power system
DE3104196C2 (de) * 1981-02-06 1988-07-28 Bayerische Motoren Werke AG, 8000 München Anzeigevorrichtung für Kraftfahrzeuge
DE3611553C1 (de) * 1986-04-07 1987-07-23 Orenstein & Koppel Ag Anordnung zum Betrieb eines dieselhydraulischen Antriebes
JPH076530B2 (ja) * 1986-09-27 1995-01-30 日立建機株式会社 油圧ショベルの油圧回路
US5048293A (en) * 1988-12-29 1991-09-17 Hitachi Construction Machinery Co., Ltd. Pump controlling apparatus for construction machine
JPH07103593B2 (ja) * 1990-06-06 1995-11-08 株式会社小松製作所 積み込み作業車両の制御装置及び方法
US5167121A (en) * 1991-06-25 1992-12-01 University Of British Columbia Proportional hydraulic control
US5190442A (en) * 1991-09-06 1993-03-02 Jorritsma Johannes N Electronic pumpcontrol system
KR950008533B1 (ko) * 1991-11-30 1995-07-31 삼성중공업주식회사 유압펌프의 토출유량 제어장치
US5563351A (en) * 1994-03-31 1996-10-08 Caterpillar Inc. Method and apparatus for determining pump wear
JP2892939B2 (ja) * 1994-06-28 1999-05-17 日立建機株式会社 油圧掘削機の油圧回路装置
KR960041737A (ko) * 1995-05-17 1996-12-19 김회수 자동급수 가압장치의 펌프 사용율 조정회로
IT1280604B1 (it) * 1995-11-02 1998-01-23 Sme Elettronica Spa Gruppo di potenza per l'alimentazione di attuatori idraulici
JP3183815B2 (ja) * 1995-12-27 2001-07-09 日立建機株式会社 油圧ショベルの油圧回路
DE59611324D1 (de) * 1996-01-10 2006-04-06 Eaton Fluid Power Gmbh Verlustarmer Antrieb für einen hydraulischen Aktuator
US5722190A (en) * 1996-03-15 1998-03-03 The Gradall Company Priority biased load sense hydraulic system for hydraulic excavators
KR0185493B1 (ko) * 1996-03-30 1999-04-01 토니헬샴 중장비용 유량 합류장치
DE19617105C2 (de) * 1996-04-19 1998-07-02 Mannesmann Ag Einrichtung zur Erfassung der momentanen Belastung von Fördermitteln, insbesondere von Hubwerken
RU2123596C1 (ru) * 1996-10-14 1998-12-20 Научно-исследовательский институт высоких напряжений при Томском политехническом университете Электроимпульсный способ бурения скважин и буровая установка
BR9714496A (pt) * 1996-12-20 2000-03-21 Manuel Dos Santos Da Ponte Aparelho de suprimento de potência.
JPH1113091A (ja) * 1997-06-23 1999-01-19 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置
JP3335106B2 (ja) * 1997-07-16 2002-10-15 株式会社小松製作所 機械のメンテナンス時期判定方法および装置
JP3413092B2 (ja) * 1998-01-08 2003-06-03 日立建機株式会社 油圧作業機のポンプ故障警告装置
DE69920452T2 (de) * 1998-06-27 2005-11-10 Bruun Ecomate Aktiebolag Mobile arbeitsmaschine
JP4111286B2 (ja) * 1998-06-30 2008-07-02 コベルコ建機株式会社 建設機械の走行制御方法及び同装置
JP2000027236A (ja) * 1998-07-07 2000-01-25 Komatsu Ltd 建設機械のデータ記憶装置およびデータ処理装置
KR100300305B1 (ko) * 1998-08-17 2001-10-27 류해성 가압급수펌프장치와그제어시스템및제어방법
US7308322B1 (en) * 1998-09-29 2007-12-11 Rockwell Automation Technologies, Inc. Motorized system integrated control and diagnostics using vibration, pressure, temperature, speed, and/or current analysis
JP4270620B2 (ja) * 1998-12-08 2009-06-03 テラル株式会社 給水装置の並列運転開始及び解除時の制御方法
JP3877901B2 (ja) * 1999-03-31 2007-02-07 コベルコ建機株式会社 ショベル
US6282891B1 (en) * 1999-10-19 2001-09-04 Caterpillar Inc. Method and system for controlling fluid flow in an electrohydraulic system having multiple hydraulic circuits
US6326763B1 (en) * 1999-12-20 2001-12-04 General Electric Company System for controlling power flow in a power bus generally powered from reformer-based fuel cells
CA2407052C (en) * 2000-03-31 2009-05-19 Inventio Ag Device and method to reduce the power supply connection rating of elevator installations
US7252165B1 (en) * 2000-04-26 2007-08-07 Bowling Green State University Hybrid electric vehicle
WO2001088381A1 (fr) * 2000-05-19 2001-11-22 Komatsu Ltd. Machine hybride possedant un dispositif de commande hydraulique
US6683389B2 (en) * 2000-06-30 2004-01-27 Capstone Turbine Corporation Hybrid electric vehicle DC power generation system
US6323608B1 (en) * 2000-08-31 2001-11-27 Honda Giken Kogyo Kabushiki Kaisha Dual voltage battery for a motor vehicle
US6422001B1 (en) * 2000-10-10 2002-07-23 Bae Systems Controls Inc. Regeneration control of particulate filter, particularly in a hybrid electric vehicle
JP4520649B2 (ja) * 2001-02-06 2010-08-11 株式会社小松製作所 ハイブリッド式建設機械
JP4512283B2 (ja) * 2001-03-12 2010-07-28 株式会社小松製作所 ハイブリッド式建設機械
EP1241041B1 (fr) * 2001-03-14 2004-10-20 Conception et Développement Michelin S.A. Véhicule à super-condensateur de récupération d'énergie au freinage
US7571683B2 (en) * 2001-03-27 2009-08-11 General Electric Company Electrical energy capture system with circuitry for blocking flow of undesirable electrical currents therein
US7430967B2 (en) * 2001-03-27 2008-10-07 General Electric Company Multimode hybrid energy railway vehicle system and method
US7448328B2 (en) * 2001-03-27 2008-11-11 General Electric Company Hybrid energy off highway vehicle electric power storage system and method
US6615118B2 (en) * 2001-03-27 2003-09-02 General Electric Company Hybrid energy power management system and method
US6612246B2 (en) * 2001-03-27 2003-09-02 General Electric Company Hybrid energy locomotive system and method
US6591758B2 (en) * 2001-03-27 2003-07-15 General Electric Company Hybrid energy locomotive electrical power storage system
US6591697B2 (en) * 2001-04-11 2003-07-15 Oakley Henyan Method for determining pump flow rates using motor torque measurements
JP4592221B2 (ja) * 2001-06-28 2010-12-01 株式会社東芝 ポンプ台数制御装置
DE60203458T3 (de) * 2001-09-27 2010-02-18 Reliance Electric Technologies, LLC, Mayfield Heights Integrierte Steuerung und Diagnose für ein motorbetriebenes System unter Verwendung von Schwingungs-, Druck-, Temperatur-, Geschwindigkeits-, und/oder Stromanalyse
JP4137431B2 (ja) * 2001-11-09 2008-08-20 ナブテスコ株式会社 油圧回路
JP3874344B2 (ja) * 2002-01-17 2007-01-31 株式会社小松製作所 ハイブリッド電源システム
CN1647584A (zh) * 2002-02-11 2005-07-27 达特茅斯学院理事会 用于改变冰与物体间界面的***和方法
EP1363386B1 (en) * 2002-05-13 2005-01-05 Luxon Energy Devices Corporation High current pulse generator
JP2004011168A (ja) * 2002-06-04 2004-01-15 Komatsu Ltd 建設機械
JP4082935B2 (ja) * 2002-06-05 2008-04-30 株式会社小松製作所 ハイブリッド式建設機械
EP1516424A2 (en) * 2002-06-18 2005-03-23 Ingersoll-Rand Energy Systems Corporation Microturbine engine system
JP4072898B2 (ja) * 2002-11-21 2008-04-09 株式会社小松製作所 ハイブリッド式建設機械の機器配置構造
JP3992612B2 (ja) * 2002-12-26 2007-10-17 株式会社クボタ バックホウの油圧回路構造
DE10307190A1 (de) * 2003-02-20 2004-09-16 O & K Orenstein & Koppel Gmbh Verfahren zur Steuerung eines Hydrauliksystems einer mobilen Arbeitsmaschine
US20040263342A1 (en) * 2003-06-30 2004-12-30 Matlock Milton Gregory System for monitoring motors
US7078877B2 (en) * 2003-08-18 2006-07-18 General Electric Company Vehicle energy storage system control methods and method for determining battery cycle life projection for heavy duty hybrid vehicle applications
US7258183B2 (en) * 2003-09-24 2007-08-21 Ford Global Technologies, Llc Stabilized electric distribution system for use with a vehicle having electric assist
US6876098B1 (en) * 2003-09-25 2005-04-05 The United States Of America As Represented By The Administrator Of The Environmental Protection Agency Methods of operating a series hybrid vehicle
US7401464B2 (en) * 2003-11-14 2008-07-22 Caterpillar Inc. Energy regeneration system for machines
US20050139399A1 (en) * 2003-12-30 2005-06-30 Hydrogenics Corporation Hybrid electric propulsion system, hybrid electric power pack and method of optimizing duty cycle
US7251934B2 (en) * 2004-03-27 2007-08-07 Cnh America Llc Work vehicle hydraulic system
CN100587172C (zh) * 2004-04-08 2010-02-03 株式会社小松制作所 作业机械的液压驱动装置
US7398012B2 (en) * 2004-05-12 2008-07-08 Siemens Energy & Automation, Inc. Method for powering mining equipment
JP4542819B2 (ja) * 2004-05-21 2010-09-15 株式会社小松製作所 油圧機械、油圧機械の健康状態を監視するためのシステム及び方法
US7378808B2 (en) * 2004-05-25 2008-05-27 Caterpillar Inc. Electric drive system having DC bus voltage control
US7531916B2 (en) * 2004-05-26 2009-05-12 Altergy Systems, Inc. Protection circuits for hybrid power systems
CA2568280C (en) * 2004-05-27 2009-12-15 Siemens Energy & Automation, Inc. Auxiliary bus system
US7190133B2 (en) * 2004-06-28 2007-03-13 General Electric Company Energy storage system and method for hybrid propulsion
SE527434C8 (sv) * 2004-07-28 2006-03-28 Volvo Constr Equip Holding Se Hydraulisksystem och arbetsmaskin innefattande ett sådant system
US20060061922A1 (en) * 2004-09-22 2006-03-23 Cellex Power Products, Inc. Hybrid power supply system having energy storage device protection circuit
US7146808B2 (en) * 2004-10-29 2006-12-12 Caterpillar Inc Hydraulic system having priority based flow control
KR101144396B1 (ko) * 2004-12-16 2012-05-11 두산인프라코어 주식회사 굴삭기의 선회복합작업용 유압제어장치
KR101155717B1 (ko) * 2004-12-22 2012-06-12 두산인프라코어 주식회사 굴삭기의 붐-선회 복합동작 유압제어장치
CA2544910C (en) * 2005-04-25 2013-07-09 Railpower Technologies Corp. Multiple prime power source locomotive control
WO2006124746A2 (en) * 2005-05-16 2006-11-23 Miller Davis J System and method for power pump performance monitoring and analysis
KR100975266B1 (ko) * 2005-05-18 2010-08-11 가부시키가이샤 고마쓰 세이사쿠쇼 건설기계의 유압제어장치
US7444944B2 (en) * 2005-06-15 2008-11-04 General Electric Company Multiple engine hybrid locomotive
US7628236B1 (en) * 2005-08-01 2009-12-08 Brown Albert W Manually operated electrical control and installation scheme for electric hybrid vehicles
US7950481B2 (en) * 2005-09-29 2011-05-31 Caterpillar Inc. Electric powertrain for machine
US7560904B2 (en) * 2005-10-03 2009-07-14 Lear Corporation Method and system of managing power distribution in switch based circuits
US7730981B2 (en) * 2005-10-19 2010-06-08 The Raymond Corporation Lift truck with hybrid power source
SE531309C2 (sv) * 2006-01-16 2009-02-17 Volvo Constr Equip Ab Styrsystem för en arbetsmaskin och förfarande för styrning av en hydraulcylinder hos en arbetsmaskin
US7444809B2 (en) * 2006-01-30 2008-11-04 Caterpillar Inc. Hydraulic regeneration system
GB0614534D0 (en) * 2006-07-21 2006-08-30 Artemis Intelligent Power Ltd Fluid power distribution and control system
JP2008032175A (ja) * 2006-07-31 2008-02-14 Shin Caterpillar Mitsubishi Ltd 流体圧回路
US8022663B2 (en) * 2007-05-21 2011-09-20 Nmhg Oregon, Llc Energy recapture for an industrial vehicle
US7748279B2 (en) * 2007-09-28 2010-07-06 Caterpillar Inc Hydraulics management for bounded implements
JP2009167618A (ja) * 2008-01-11 2009-07-30 Caterpillar Japan Ltd 油圧ショベルの油圧回路
US8203310B2 (en) * 2008-10-20 2012-06-19 The Raymond Corporation Energy storage module for load leveling in lift truck or other electrical vehicle
US8174225B2 (en) * 2009-05-15 2012-05-08 Siemens Industry, Inc. Limiting peak electrical power drawn by mining excavators

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CL2012000399A1 (es) 2012-07-06
ZA201201743B (en) 2012-11-28
BR112012003547A2 (pt) 2017-09-12
CN102782339A (zh) 2012-11-14
US20110056192A1 (en) 2011-03-10
AU2010292234A1 (en) 2012-03-01
PE20121374A1 (es) 2012-10-27
IN2012DN00738A (es) 2015-06-19
WO2011031851A2 (en) 2011-03-17
CA2770482A1 (en) 2011-03-17

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