ITMI20022312A1 - Dispositivo idraulico di controllo variabile per macchine - Google Patents

Dispositivo idraulico di controllo variabile per macchine

Info

Publication number
ITMI20022312A1
ITMI20022312A1 IT002312A ITMI20022312A ITMI20022312A1 IT MI20022312 A1 ITMI20022312 A1 IT MI20022312A1 IT 002312 A IT002312 A IT 002312A IT MI20022312 A ITMI20022312 A IT MI20022312A IT MI20022312 A1 ITMI20022312 A1 IT MI20022312A1
Authority
IT
Italy
Prior art keywords
machines
control device
hydraulic control
variable hydraulic
variable
Prior art date
Application number
IT002312A
Other languages
English (en)
Inventor
Bon Seok Koo
Original Assignee
Volvo Constr Equip Holding Se
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 KR1020010082765A external-priority patent/KR100621973B1/ko
Priority claimed from KR1020010082751A external-priority patent/KR100621972B1/ko
Application filed by Volvo Constr Equip Holding Se filed Critical Volvo Constr Equip Holding Se
Publication of ITMI20022312A1 publication Critical patent/ITMI20022312A1/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
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2267—Valves or distributors
    • 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
    • E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • 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
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2271—Actuators and supports therefor and protection therefor
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
    • F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation valves

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)
IT002312A 2001-12-21 2002-10-30 Dispositivo idraulico di controllo variabile per macchine ITMI20022312A1 (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020010082765A KR100621973B1 (ko) 2001-12-21 2001-12-21 건설중장비용 유량제어장치
KR1020010082751A KR100621972B1 (ko) 2001-12-21 2001-12-21 건설중장비용 유량 가변제어장치

Publications (1)

Publication Number Publication Date
ITMI20022312A1 true ITMI20022312A1 (it) 2003-06-22

Family

ID=26639536

Family Applications (1)

Application Number Title Priority Date Filing Date
IT002312A ITMI20022312A1 (it) 2001-12-21 2002-10-30 Dispositivo idraulico di controllo variabile per macchine

Country Status (7)

Country Link
US (1) US6745564B2 (it)
JP (1) JP3924519B2 (it)
CN (1) CN1246597C (it)
DE (1) DE10247507B4 (it)
FR (1) FR2834019B1 (it)
GB (1) GB2383382B (it)
IT (1) ITMI20022312A1 (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100518767B1 (ko) * 2003-05-28 2005-10-06 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설중장비용 액츄에이터 유량 가변제어장치
KR100559291B1 (ko) * 2003-06-25 2006-03-15 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 중장비 옵션장치용 유압회로
KR100527378B1 (ko) * 2003-06-25 2005-11-09 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 붐합류용 스플을 이용한 중장비 옵션장치용 유압회로
JP4276491B2 (ja) * 2003-08-04 2009-06-10 日立建機株式会社 方向切換弁ブロック
KR100652871B1 (ko) * 2004-02-24 2006-12-06 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설중장비용 유량제어장치
KR100631072B1 (ko) * 2005-06-27 2006-10-02 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 중장비 옵션장치용 유압회로
JP4782711B2 (ja) * 2007-02-21 2011-09-28 日立建機株式会社 方向制御弁装置およびこの方向制御弁装置を複数備えた方向制御弁装置ブロック
JP5602074B2 (ja) * 2011-03-16 2014-10-08 カヤバ工業株式会社 制御弁
CN103649559A (zh) * 2011-07-12 2014-03-19 沃尔沃建造设备有限公司 用于工程机械的流量控制阀
CN103148036B (zh) * 2013-03-19 2015-09-09 临海市乐建液压件有限公司 液压阀
EP3009690A4 (en) * 2013-06-14 2017-01-25 Volvo Construction Equipment AB Flow rate control valve for construction machine
DE202013005679U1 (de) * 2013-06-24 2014-09-25 Kinshofer Gmbh Schnellkuppler
CN105637153A (zh) * 2013-08-13 2016-06-01 沃尔沃建造设备有限公司 用于工程机械的流量控制阀
US10494791B2 (en) 2015-01-08 2019-12-03 Volvo Construction Equipment Ab Flow control valve for construction machine
CN106321543A (zh) * 2016-11-02 2017-01-11 常州机电职业技术学院 一种工程机械液压系统控制模块
JP7139297B2 (ja) * 2019-09-25 2022-09-20 日立建機株式会社 流量制御弁

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0786361B2 (ja) * 1988-11-10 1995-09-20 株式会社ゼクセル 油圧制御弁
US5077972A (en) * 1990-07-03 1992-01-07 Caterpillar Inc. Load pressure duplicating circuit
US5067389A (en) * 1990-08-30 1991-11-26 Caterpillar Inc. Load check and pressure compensating valve
KR0145143B1 (ko) * 1992-10-29 1998-08-01 오까다 하지메 유압제어밸브장치 및 유압구동장치
JPH0742706A (ja) * 1993-08-05 1995-02-10 Nabco Ltd アクチュエータの操作速度の２モード切換装置
JPH07279906A (ja) * 1994-03-31 1995-10-27 Kayaba Ind Co Ltd 油圧制御装置
JP3529426B2 (ja) * 1994-04-27 2004-05-24 カヤバ工業株式会社 油圧制御装置
KR100348128B1 (ko) * 1994-09-30 2002-11-22 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 가변우선기능을갖는콘트롤밸브
JP3535904B2 (ja) * 1994-11-11 2004-06-07 東芝機械株式会社 油圧作業回路
JP3558806B2 (ja) * 1997-01-10 2004-08-25 東芝機械株式会社 油圧制御弁装置
KR100205567B1 (ko) * 1996-07-19 1999-07-01 토니헬샴 가변 우선장치
EP0864761A4 (en) * 1996-08-08 2000-09-27 Hitachi Construction Machinery HYDRAULIC CONTROL DEVICE
JP3703265B2 (ja) * 1997-08-26 2005-10-05 カヤバ工業株式会社 油圧制御装置
US5890362A (en) * 1997-10-23 1999-04-06 Husco International, Inc. Hydraulic control valve system with non-shuttle pressure compensator
DE10004905C2 (de) * 2000-02-04 2002-10-24 Orenstein & Koppel Ag Verfahren und Vorrichtung zur Steuerung eines Hubzylinders insbesondere von Arbeitsmaschinen
US6675904B2 (en) * 2001-12-20 2004-01-13 Volvo Construction Equipment Holding Sweden Ab Apparatus for controlling an amount of fluid for heavy construction equipment

Also Published As

Publication number Publication date
US20030115865A1 (en) 2003-06-26
CN1246597C (zh) 2006-03-22
DE10247507A1 (de) 2003-07-10
US6745564B2 (en) 2004-06-08
CN1427185A (zh) 2003-07-02
GB0222413D0 (en) 2002-11-06
FR2834019A1 (fr) 2003-06-27
JP3924519B2 (ja) 2007-06-06
DE10247507B4 (de) 2007-01-25
GB2383382B (en) 2005-09-07
GB2383382A (en) 2003-06-25
FR2834019B1 (fr) 2006-06-30
JP2003194007A (ja) 2003-07-09

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