DE69510153D1 - Steuerventil mit veränderlicher Priorität - Google Patents

Steuerventil mit veränderlicher Priorität

Info

Publication number
DE69510153D1
DE69510153D1 DE69510153T DE69510153T DE69510153D1 DE 69510153 D1 DE69510153 D1 DE 69510153D1 DE 69510153 T DE69510153 T DE 69510153T DE 69510153 T DE69510153 T DE 69510153T DE 69510153 D1 DE69510153 D1 DE 69510153D1
Authority
DE
Germany
Prior art keywords
control valve
priority control
variable priority
variable
valve
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
DE69510153T
Other languages
English (en)
Other versions
DE69510153T2 (de
Inventor
Hyung Joon Cho
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.)
Volvo Construction Equipment AB
Original Assignee
Volvo Construction Equipment Korea 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 Volvo Construction Equipment Korea Co Ltd filed Critical Volvo Construction Equipment Korea Co Ltd
Application granted granted Critical
Publication of DE69510153D1 publication Critical patent/DE69510153D1/de
Publication of DE69510153T2 publication Critical patent/DE69510153T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • F15B13/022—Flow-dividers; Priority valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7876—With external means for opposing bias
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87177—With bypass
    • Y10T137/87185—Controlled by supply or exhaust valve
DE69510153T 1994-09-30 1995-07-11 Steuerventil mit veränderlicher Priorität Expired - Fee Related DE69510153T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940025149A KR100348128B1 (ko) 1994-09-30 1994-09-30 가변우선기능을갖는콘트롤밸브

Publications (2)

Publication Number Publication Date
DE69510153D1 true DE69510153D1 (de) 1999-07-15
DE69510153T2 DE69510153T2 (de) 1999-11-18

Family

ID=19394245

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69510153T Expired - Fee Related DE69510153T2 (de) 1994-09-30 1995-07-11 Steuerventil mit veränderlicher Priorität

Country Status (6)

Country Link
US (1) US5592967A (de)
EP (1) EP0708252B1 (de)
JP (1) JPH08109906A (de)
KR (1) KR100348128B1 (de)
CN (1) CN1053947C (de)
DE (1) DE69510153T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5890362A (en) * 1997-10-23 1999-04-06 Husco International, Inc. Hydraulic control valve system with non-shuttle pressure compensator
KR100505351B1 (ko) * 1998-09-30 2005-09-26 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 중장비용 유압 제어 밸브 장치
US6745564B2 (en) * 2001-12-21 2004-06-08 Volvo Construction Equipment Holding Sweden Ab Hydraulic variable control apparatus for heavy construction equipment
KR100518767B1 (ko) * 2003-05-28 2005-10-06 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설중장비용 액츄에이터 유량 가변제어장치
DE10325296A1 (de) * 2003-06-04 2004-12-23 Bosch Rexroth Ag Hydraulische Steueranordnung
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
DE102006049584A1 (de) * 2006-03-13 2007-09-20 Robert Bosch Gmbh LUDV-Ventilanordnung
KR20100012008A (ko) * 2008-07-26 2010-02-04 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 선회 속도 조정시스템이 구비된 파이프 레이어
CN103047214B (zh) * 2013-01-15 2015-05-06 山河智能装备股份有限公司 一种液压挖掘机比例流量优先控制阀
KR20160040581A (ko) * 2013-08-13 2016-04-14 볼보 컨스트럭션 이큅먼트 에이비 건설기계용 유량 제어밸브
CN106232907B (zh) * 2014-04-29 2018-11-02 沃尔沃建造设备有限公司 用于工程机械的流量控制阀
JP6440451B2 (ja) * 2014-10-27 2018-12-19 Ｋｙｂ株式会社 ロードセンシングバルブ装置
JP6012806B1 (ja) * 2015-04-15 2016-10-25 Ｋｙｂ株式会社 バルブ装置及び流体圧制御装置
KR102571079B1 (ko) * 2016-09-06 2023-09-06 에이치디현대인프라코어 주식회사 굴삭기의 메인 컨트롤 밸브 제어 방법 및 이를 수행하기 위한 장치
CN106949263B (zh) * 2017-05-18 2019-05-24 山河智能装备股份有限公司 具有可变面积先导比的负载保持单向阀阀联及控制方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB995515A (en) * 1962-12-20 1965-06-16 New York Air Brake Co Valves for controlling fluid flow
US3465788A (en) * 1967-09-01 1969-09-09 Koehring Co Hydraulic control valve with void prevention means
US4167197A (en) * 1970-10-20 1979-09-11 Toshio Maki Directional change-over valve
US3768372A (en) * 1972-07-13 1973-10-30 Borg Warner Control arrangement for hydraulic systems
US3970108A (en) * 1973-10-23 1976-07-20 Cross Manufacturing, Inc. Priority hydraulic control valve
US4192346A (en) * 1976-08-25 1980-03-11 Shoketsu Kinzoku Kogyo Kabushiki Kaisha Control valve
US4214446A (en) * 1979-01-22 1980-07-29 International Harvester Company Pressure-flow compensated hydraulic priority system providing signals controlling priority valve
US4655250A (en) * 1986-02-03 1987-04-07 The Cessna Aircraft Company Open center unloading valve
US5251444A (en) * 1990-07-05 1993-10-12 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system and valve apparatus
KR960006358B1 (ko) * 1990-11-26 1996-05-15 히다찌 겐끼 가부시끼가이샤 유압구동장치 및 방향전환밸브

Also Published As

Publication number Publication date
CN1119717A (zh) 1996-04-03
JPH08109906A (ja) 1996-04-30
EP0708252B1 (de) 1999-06-09
DE69510153T2 (de) 1999-11-18
CN1053947C (zh) 2000-06-28
EP0708252A1 (de) 1996-04-24
US5592967A (en) 1997-01-14
KR100348128B1 (ko) 2002-11-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: VOLVO CONSTRUCTION EQUIPMENT HOLDING SWEDEN AB, ES

8339 Ceased/non-payment of the annual fee