DE69109877T2 - Energiesparschaltung in einem hydraulischen Gerät. - Google Patents

Energiesparschaltung in einem hydraulischen Gerät.

Info

Publication number
DE69109877T2
DE69109877T2 DE69109877T DE69109877T DE69109877T2 DE 69109877 T2 DE69109877 T2 DE 69109877T2 DE 69109877 T DE69109877 T DE 69109877T DE 69109877 T DE69109877 T DE 69109877T DE 69109877 T2 DE69109877 T2 DE 69109877T2
Authority
DE
Germany
Prior art keywords
energy saving
hydraulic device
saving circuit
circuit
hydraulic
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
DE69109877T
Other languages
English (en)
Other versions
DE69109877D1 (de
Inventor
Kazunori Yoshino
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 Japan Ltd
Caterpillar Mitsubishi Ltd
Original Assignee
Caterpillar Mitsubishi Ltd
Shin Caterpillar Mitsubishi 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
Priority claimed from JP394190U external-priority patent/JPH0396404U/ja
Priority claimed from JP761790U external-priority patent/JPH0754642Y2/ja
Application filed by Caterpillar Mitsubishi Ltd, Shin Caterpillar Mitsubishi Ltd filed Critical Caterpillar Mitsubishi Ltd
Publication of DE69109877D1 publication Critical patent/DE69109877D1/de
Application granted granted Critical
Publication of DE69109877T2 publication Critical patent/DE69109877T2/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
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
DE69109877T 1990-01-22 1991-01-22 Energiesparschaltung in einem hydraulischen Gerät. Expired - Fee Related DE69109877T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP394190U JPH0396404U (de) 1990-01-22 1990-01-22
JP761790U JPH0754642Y2 (ja) 1990-01-31 1990-01-31 油圧装置のエネルギー再生回路

Publications (2)

Publication Number Publication Date
DE69109877D1 DE69109877D1 (de) 1995-06-29
DE69109877T2 true DE69109877T2 (de) 1995-11-23

Family

ID=26337616

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69109877T Expired - Fee Related DE69109877T2 (de) 1990-01-22 1991-01-22 Energiesparschaltung in einem hydraulischen Gerät.

Country Status (4)

Country Link
US (1) US5046309A (de)
EP (1) EP0440070B1 (de)
CA (1) CA2034613C (de)
DE (1) DE69109877T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112010004679B4 (de) 2009-12-03 2024-02-15 Caterpillar Global Mining Llc Hydraulikbehälter für hydraulische Regenerativschaltung

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US5207059A (en) * 1992-01-15 1993-05-04 Caterpillar Inc. Hydraulic control system having poppet and spool type valves
US5237819A (en) * 1992-02-21 1993-08-24 Caterpillar Inc. Pilot control circuit with preselected actuation delays
EP0564939B1 (de) * 1992-04-04 1995-12-13 Mannesmann Rexroth AG Hydraulische Steuereinrichtung für mehrere Verbraucher
US5220862A (en) * 1992-05-15 1993-06-22 Caterpillar Inc. Fluid regeneration circuit
EP0620370B2 (de) * 1992-10-29 2000-12-06 Hitachi Construction Machinery Co., Ltd. Hydraulische Steuerventilvorrichtung und hydraulisches Antriebssystem
WO1994013959A1 (en) * 1992-12-04 1994-06-23 Hitachi Construction Machinery Co., Ltd. Hydraulic regenerator
US5349151A (en) * 1993-02-08 1994-09-20 Savair Inc. Low impact flow control device
DE69431276T2 (de) * 1993-03-23 2003-05-28 Hitachi Construction Machinery Hydraulischer antrieb für hydraulische arbeitsmaschine
DE69427535T2 (de) * 1993-11-30 2001-10-04 Hitachi Construction Machinery Hydraulischer pumpenregler
US5570286A (en) * 1993-12-23 1996-10-29 Lord Corporation Regenerative system including an energy transformer which requires no external power source to drive same
JP3550260B2 (ja) * 1996-09-30 2004-08-04 コベルコ建機株式会社 アクチュエータ作動特性制御装置
US6715403B2 (en) 2001-10-12 2004-04-06 Caterpillar Inc Independent and regenerative mode fluid control system
US6701822B2 (en) 2001-10-12 2004-03-09 Caterpillar Inc Independent and regenerative mode fluid control system
KR100674158B1 (ko) * 2003-01-14 2007-01-24 히다치 겡키 가부시키 가이샤 유압 작업기
US7124576B2 (en) * 2004-10-11 2006-10-24 Deere & Company Hydraulic energy intensifier
KR100752115B1 (ko) * 2004-12-30 2007-08-24 두산인프라코어 주식회사 굴삭기의 유압펌프 제어시스템
US7249457B2 (en) * 2005-02-18 2007-07-31 Timberjack Inc. Hydraulic gravitational load energy recuperation
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
US8376100B2 (en) * 2008-04-17 2013-02-19 Levant Power Corporation Regenerative shock absorber
US8839920B2 (en) 2008-04-17 2014-09-23 Levant Power Corporation Hydraulic energy transfer
US8392030B2 (en) * 2008-04-17 2013-03-05 Levant Power Corporation System and method for control for regenerative energy generators
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
US9035477B2 (en) 2010-06-16 2015-05-19 Levant Power Corporation Integrated energy generating damper
WO2013063749A1 (zh) * 2011-10-31 2013-05-10 中联重科股份有限公司 液压控制回路
CN102374203B (zh) * 2011-10-31 2013-03-13 中联重科股份有限公司 液压控制回路
CN103832416B (zh) * 2012-11-26 2016-03-02 柳州柳工挖掘机有限公司 液压机械回转制动能量回用装置
US9702349B2 (en) 2013-03-15 2017-07-11 ClearMotion, Inc. Active vehicle suspension system
US9676244B2 (en) 2013-03-15 2017-06-13 ClearMotion, Inc. Integrated active suspension smart valve
US9174508B2 (en) 2013-03-15 2015-11-03 Levant Power Corporation Active vehicle suspension
WO2014145018A2 (en) 2013-03-15 2014-09-18 Levant Power Corporation Active vehicle suspension improvements
WO2014176371A2 (en) 2013-04-23 2014-10-30 Levant Power Corporation Active suspension with structural actuator
CN104895855B (zh) * 2014-03-03 2018-05-01 卡特彼勒（青州）有限公司 用于机器的液压系统、机器和液压系统控制方法
US20170276151A1 (en) * 2014-09-19 2017-09-28 Volvo Construction Equipment Ab Hydraulic circuit for construction equipment
US9702424B2 (en) 2014-10-06 2017-07-11 ClearMotion, Inc. Hydraulic damper, hydraulic bump-stop and diverter valve
EP3280847B1 (de) * 2015-04-10 2020-10-21 Volvo Construction Equipment AB Lasterfassendes hydrauliksystem für eine arbeitsmaschine und verfahren zur steuerung eines lasterfassenden hydrauliksystems
CN111395425B (zh) * 2020-04-02 2022-09-02 上海三一重机股份有限公司 斗杆油缸控制系统、控制方法及挖掘机

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4401009A (en) * 1972-11-08 1983-08-30 Control Concepts, Inc. Closed center programmed valve system with load sense
US4147178A (en) * 1976-08-20 1979-04-03 Tadeusz Budzich Load responsive valve assemblies
US4065922A (en) * 1976-08-23 1978-01-03 Hyster Company Load lifting and lowering control system
US4129987A (en) * 1977-10-17 1978-12-19 Gresen Manufacturing Company Hydraulic control system
US4199942A (en) * 1978-09-28 1980-04-29 Eaton Corporation Load sensing control for hydraulic system
JPS636474Y2 (de) * 1980-07-28 1988-02-23
US4392415A (en) * 1980-12-19 1983-07-12 Caterpillar Tractor Co. Control for dead engine lower
US4359931A (en) * 1981-01-19 1982-11-23 The Warner & Swasey Company Regenerative and anticavitation hydraulic system for an excavator
US4510751A (en) * 1982-04-22 1985-04-16 The Cessna Aircraft Company Outlet metering load-sensing circuit
US4610193A (en) * 1983-10-26 1986-09-09 Deere & Company Load control system
JP2582266B2 (ja) * 1987-09-29 1997-02-19 新キヤタピラー三菱株式会社 流体圧制御システム
DE3805061A1 (de) * 1988-02-18 1989-08-31 Linde Ag Hydraulische schaltanordnung
US5083428A (en) * 1988-06-17 1992-01-28 Kabushiki Kaisha Kobe Seiko Sho Fluid control system for power shovel
JP2514915B2 (ja) * 1989-03-08 1996-07-10 油谷重工株式会社 建設機械のブ―ム用フロ―ト回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112010004679B4 (de) 2009-12-03 2024-02-15 Caterpillar Global Mining Llc Hydraulikbehälter für hydraulische Regenerativschaltung

Also Published As

Publication number Publication date
DE69109877D1 (de) 1995-06-29
CA2034613C (en) 1994-10-18
US5046309A (en) 1991-09-10
EP0440070A2 (de) 1991-08-07
EP0440070A3 (en) 1992-07-08
EP0440070B1 (de) 1995-05-24
CA2034613A1 (en) 1991-07-23

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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