ITMI20022341A1 - Circuito idraulico. - Google Patents

Circuito idraulico.

Info

Publication number
ITMI20022341A1
ITMI20022341A1 IT002341A ITMI20022341A ITMI20022341A1 IT MI20022341 A1 ITMI20022341 A1 IT MI20022341A1 IT 002341 A IT002341 A IT 002341A IT MI20022341 A ITMI20022341 A IT MI20022341A IT MI20022341 A1 ITMI20022341 A1 IT MI20022341A1
Authority
IT
Italy
Prior art keywords
hydraulic circuit
hydraulic
circuit
Prior art date
Application number
IT002341A
Other languages
English (en)
Inventor
Kensuke Ioku
Hitoshi Segawa
Original Assignee
Nabco 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 Nabco Ltd filed Critical Nabco Ltd
Publication of ITMI20022341A1 publication Critical patent/ITMI20022341A1/it

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
    • 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
    • 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

Landscapes

  • 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)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
IT002341A 2001-11-09 2002-11-05 Circuito idraulico. ITMI20022341A1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001343975A JP4137431B2 (ja) 2001-11-09 2001-11-09 油圧回路

Publications (1)

Publication Number Publication Date
ITMI20022341A1 true ITMI20022341A1 (it) 2003-05-10

Family

ID=19157564

Family Applications (1)

Application Number Title Priority Date Filing Date
IT002341A ITMI20022341A1 (it) 2001-11-09 2002-11-05 Circuito idraulico.

Country Status (4)

Country Link
US (1) US6799424B2 (it)
JP (1) JP4137431B2 (it)
KR (1) KR100598557B1 (it)
IT (1) ITMI20022341A1 (it)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
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KR100656046B1 (ko) * 2002-11-25 2006-12-08 두산인프라코어 주식회사 소형 굴삭기의 암속도 제어장치
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
JP4223421B2 (ja) * 2004-03-10 2009-02-12 ナブテスコ株式会社 建設機械の油圧回路
JP4139352B2 (ja) * 2004-05-19 2008-08-27 カヤバ工業株式会社 油圧制御装置
JP4541209B2 (ja) * 2005-03-31 2010-09-08 ナブテスコ株式会社 油圧回路
KR101251108B1 (ko) * 2005-12-29 2013-04-04 두산인프라코어 주식회사 굴삭기의 복합동작 제어용 유압제어시스템
US20090090102A1 (en) * 2006-05-03 2009-04-09 Wilfred Busse Method of reducing the load of one or more engines in a large hydraulic excavator
KR100800080B1 (ko) * 2006-08-11 2008-02-01 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설기계의 유압회로
KR101324355B1 (ko) * 2006-12-05 2013-11-01 두산인프라코어 주식회사 소형 굴삭기의 유압제어 장치
KR100886475B1 (ko) * 2007-03-12 2009-03-05 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설기계용 유압 합류회로
KR100886476B1 (ko) * 2007-03-12 2009-03-05 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설기계용 유압회로
KR100906228B1 (ko) * 2007-03-30 2009-07-07 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설중장비용 유압회로
KR100939802B1 (ko) * 2007-09-17 2010-02-02 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 중장비용 유압회로
EP2157245B1 (en) * 2008-08-21 2021-03-17 Volvo Construction Equipment AB Hydraulic system for construction equipment
JP5424668B2 (ja) * 2009-02-18 2014-02-26 Ｉｈｉ建機株式会社 建設機械の油圧回路
US8607557B2 (en) * 2009-06-22 2013-12-17 Volvo Construction Equipment Holding Sweden Ab Hydraulic control system for excavator
US20110056194A1 (en) * 2009-09-10 2011-03-10 Bucyrus International, Inc. Hydraulic system for heavy equipment
US20110056192A1 (en) * 2009-09-10 2011-03-10 Robert Weber Technique for controlling pumps in a hydraulic system
CN101886405B (zh) * 2010-07-21 2012-01-11 山河智能装备股份有限公司 挖掘节能及平地高效的小型液压挖掘机主阀
JP5429099B2 (ja) * 2010-08-03 2014-02-26 コベルコ建機株式会社 建設機械の油圧回路
US9181677B2 (en) 2010-08-03 2015-11-10 Kobelco Construction Machinery Co., Ltd. Construction machine having hydraulic circuit
JP5429098B2 (ja) * 2010-08-03 2014-02-26 コベルコ建機株式会社 建設機械の油圧回路
JP5528276B2 (ja) * 2010-09-21 2014-06-25 株式会社クボタ 作業機の油圧システム
US8718845B2 (en) 2010-10-06 2014-05-06 Caterpillar Global Mining Llc Energy management system for heavy equipment
US8606451B2 (en) 2010-10-06 2013-12-10 Caterpillar Global Mining Llc Energy system for heavy equipment
US8626403B2 (en) 2010-10-06 2014-01-07 Caterpillar Global Mining Llc Energy management and storage system
JP5718611B2 (ja) * 2010-10-19 2015-05-13 ニチユ三菱フォークリフト株式会社 車両、及びその制御方法
JP6015157B2 (ja) * 2011-07-01 2016-10-26 コベルコ建機株式会社 建設機械
DE102011108851A1 (de) * 2011-07-28 2013-01-31 Liebherr-Werk Ehingen Gmbh Kransteuerungssystem
JP5803587B2 (ja) * 2011-11-09 2015-11-04 コベルコ建機株式会社 建設機械の油圧回路
KR101806566B1 (ko) * 2011-12-28 2017-12-08 두산인프라코어 주식회사 건설기계의 엔진 회전수 제어방법
JP5901378B2 (ja) * 2012-03-23 2016-04-06 Ｋｙｂ株式会社 走行制御バルブ
US9190852B2 (en) 2012-09-21 2015-11-17 Caterpillar Global Mining Llc Systems and methods for stabilizing power rate of change within generator based applications
JP6012021B2 (ja) * 2012-11-07 2016-10-25 Ｋｙｂ株式会社 パワーショベルの流体圧制御装置
KR102088062B1 (ko) * 2013-10-30 2020-04-14 두산인프라코어 주식회사 굴삭기의 주행제어장치
JP6034773B2 (ja) * 2013-11-13 2016-11-30 株式会社クボタ 作業機
KR102083034B1 (ko) * 2013-12-26 2020-04-14 두산인프라코어 주식회사 굴삭기의 메인 컨트롤 밸브
JP6220690B2 (ja) * 2014-02-05 2017-10-25 ナブテスコ株式会社 建設機械用油圧回路
EP3242977B1 (en) * 2015-01-07 2019-10-02 Volvo Construction Equipment AB Control method for controlling an excavator and excavator comprising a control unit implementing such a control method
US10587307B2 (en) * 2016-06-20 2020-03-10 Ge Aviation Systems, Llc Transmission of power and communication of signals over fuel and hydraulic lines in a vehicle
EP3724514A4 (en) * 2017-12-15 2021-07-28 Volvo Construction Equipment AB HYDRAULIC MACHINE

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
US3208221A (en) * 1963-09-30 1965-09-28 Drott Mfg Corp Hydraulic operating apparatus
US3922855A (en) * 1971-12-13 1975-12-02 Caterpillar Tractor Co Hydraulic circuitry for an excavator
JPS55120802U (it) * 1979-02-20 1980-08-27
JPS57184136A (en) 1981-05-06 1982-11-12 Hitachi Constr Mach Co Ltd Oil-pressure circuit for oil-pressure working machine
US5083428A (en) * 1988-06-17 1992-01-28 Kabushiki Kaisha Kobe Seiko Sho Fluid control system for power shovel
JP2635206B2 (ja) 1990-09-06 1997-07-30 株式会社クボタ 掘削作業車の油圧回路構造
KR960003150Y1 (ko) * 1991-10-01 1996-04-16 삼성중공업 주식회사 굴삭기 붐 합류밸브의 유압제어장치
JPH0880449A (ja) * 1994-09-09 1996-03-26 Kobelco Kenki Eng Kk 自走式建設廃材破砕機の後退警報灯装置
EP0879921B1 (en) * 1995-05-17 2002-04-03 Komatsu Ltd. Hydraulic circuit for hydraulically driven working vehicles
JPH11218102A (ja) * 1997-11-11 1999-08-10 Komatsu Ltd 圧油供給装置
JP2001039672A (ja) * 1999-08-04 2001-02-13 Shin Caterpillar Mitsubishi Ltd クレーン機能付建設機械
JP2001200803A (ja) * 2000-01-18 2001-07-27 Furukawa Co Ltd 産業機械の油圧回路
JP2001295803A (ja) * 2000-04-10 2001-10-26 Hitachi Constr Mach Co Ltd 作業機械の油圧駆動装置
JP4522002B2 (ja) * 2001-02-22 2010-08-11 株式会社小松製作所 作業車両の後退操作検出装置

Also Published As

Publication number Publication date
JP4137431B2 (ja) 2008-08-20
KR20030038362A (ko) 2003-05-16
US20030089106A1 (en) 2003-05-15
KR100598557B1 (ko) 2006-07-07
US6799424B2 (en) 2004-10-05
JP2003148407A (ja) 2003-05-21

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