JPH1089308A - 可変優先装置 - Google Patents

可変優先装置

Info

Publication number
JPH1089308A
JPH1089308A JP9205368A JP20536897A JPH1089308A JP H1089308 A JPH1089308 A JP H1089308A JP 9205368 A JP9205368 A JP 9205368A JP 20536897 A JP20536897 A JP 20536897A JP H1089308 A JPH1089308 A JP H1089308A
Authority
JP
Japan
Prior art keywords
pressure
pump
passage
pilot
piston
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.)
Pending
Application number
JP9205368A
Other languages
English (en)
Japanese (ja)
Inventor
Hae Kyoon Jeung
キュン ジェン ハエ
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.)
Samsung Heavy Industries Co Ltd
Original Assignee
Samsung Heavy Industries 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 Samsung Heavy Industries Co Ltd filed Critical Samsung Heavy Industries Co Ltd
Publication of JPH1089308A publication Critical patent/JPH1089308A/ja
Pending 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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • 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
    • 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

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)
  • Operation Control Of Excavators (AREA)
JP9205368A 1996-07-19 1997-07-15 可変優先装置 Pending JPH1089308A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019960029389A KR100205567B1 (ko) 1996-07-19 1996-07-19 가변 우선장치
KR96-29389 1996-07-19

Publications (1)

Publication Number Publication Date
JPH1089308A true JPH1089308A (ja) 1998-04-07

Family

ID=19466882

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9205368A Pending JPH1089308A (ja) 1996-07-19 1997-07-15 可変優先装置

Country Status (5)

Country Link
JP (1) JPH1089308A (ko)
KR (1) KR100205567B1 (ko)
CN (1) CN1172912A (ko)
DE (1) DE19729387A1 (ko)
GB (1) GB2315521A (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003194007A (ja) * 2001-12-21 2003-07-09 Volvo Construction Equipment Holding Sweden Ab 建設重装備用油量可変制御装置
WO2011138963A1 (ja) * 2010-05-07 2011-11-10 日立建機株式会社 作業車両の油圧制御装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100464761B1 (ko) * 1997-11-29 2005-04-06 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 중장비용 유압장치
KR100559230B1 (ko) * 1998-09-30 2006-06-07 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 중장비용 가변우선장치
KR20010009599A (ko) * 1999-07-12 2001-02-05 양재신 로직밸브
KR100518767B1 (ko) * 2003-05-28 2005-10-06 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설중장비용 액츄에이터 유량 가변제어장치
DE102012110070A1 (de) * 2012-10-22 2014-04-24 Linde Hydraulics Gmbh & Co. Kg Hydrostatisches Antriebssystem
WO2015064785A1 (ko) * 2013-10-31 2015-05-07 볼보 컨스트럭션 이큅먼트 에이비 플로팅기능이 구비된 건설기계용 유량제어밸브
JP6687054B2 (ja) * 2018-03-29 2020-04-22 コベルコ建機株式会社 旋回式作業機械

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003194007A (ja) * 2001-12-21 2003-07-09 Volvo Construction Equipment Holding Sweden Ab 建設重装備用油量可変制御装置
WO2011138963A1 (ja) * 2010-05-07 2011-11-10 日立建機株式会社 作業車両の油圧制御装置
JP2011236942A (ja) * 2010-05-07 2011-11-24 Hitachi Constr Mach Co Ltd 作業車両の油圧制御装置
US9340955B2 (en) 2010-05-07 2016-05-17 Hitachi Construction Machinery Co., Ltd. Hydraulic control device for work vehicle

Also Published As

Publication number Publication date
KR100205567B1 (ko) 1999-07-01
CN1172912A (zh) 1998-02-11
DE19729387A1 (de) 1998-01-22
GB2315521A (en) 1998-02-04
KR980009963A (ko) 1998-04-30
GB9714826D0 (en) 1997-09-17

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