DE69112544D1 - Hydraulisches betätigungsventil. - Google Patents

Hydraulisches betätigungsventil.

Info

Publication number
DE69112544D1
DE69112544D1 DE69112544T DE69112544T DE69112544D1 DE 69112544 D1 DE69112544 D1 DE 69112544D1 DE 69112544 T DE69112544 T DE 69112544T DE 69112544 T DE69112544 T DE 69112544T DE 69112544 D1 DE69112544 D1 DE 69112544D1
Authority
DE
Germany
Prior art keywords
hydraulic actuating
actuating valve
valve
hydraulic
actuating
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
DE69112544T
Other languages
English (en)
Other versions
DE69112544T2 (de
Inventor
Hiroyoshi Tominaga
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.)
Komatsu Zenoah Co
Original Assignee
Komatsu Zenoah Co
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 JP2051716A external-priority patent/JPH03255203A/ja
Priority claimed from JP2051715A external-priority patent/JPH083193B2/ja
Priority claimed from JP6403990A external-priority patent/JPH03265772A/ja
Application filed by Komatsu Zenoah Co filed Critical Komatsu Zenoah Co
Application granted granted Critical
Publication of DE69112544D1 publication Critical patent/DE69112544D1/de
Publication of DE69112544T2 publication Critical patent/DE69112544T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/04—Construction of housing; Use of materials therefor of sliding valves
    • F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
    • 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
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • 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
    • 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
    • Y10T137/87233—Biased exhaust valve
    • Y10T137/87241—Biased closed

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Valve Housings (AREA)
  • Fluid-Pressure Circuits (AREA)
DE69112544T 1990-03-05 1991-01-29 Hydraulisches betätigungsventil. Expired - Fee Related DE69112544T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2051716A JPH03255203A (ja) 1990-03-05 1990-03-05 油圧操作弁
JP2051715A JPH083193B2 (ja) 1990-03-05 1990-03-05 油圧操作弁
JP6403990A JPH03265772A (ja) 1990-03-16 1990-03-16 油圧操作弁
PCT/JP1991/000097 WO1991014121A1 (en) 1990-03-05 1991-01-29 Hydraulic control valve

Publications (2)

Publication Number Publication Date
DE69112544D1 true DE69112544D1 (de) 1995-10-05
DE69112544T2 DE69112544T2 (de) 1996-02-08

Family

ID=27294410

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69112544T Expired - Fee Related DE69112544T2 (de) 1990-03-05 1991-01-29 Hydraulisches betätigungsventil.

Country Status (4)

Country Link
US (1) US5394903A (de)
EP (1) EP0474872B1 (de)
DE (1) DE69112544T2 (de)
WO (1) WO1991014121A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08105574A (ja) * 1994-09-29 1996-04-23 Samsung Heavy Ind Co Ltd バルブのスプールキャップオイルドレーン装置
DE19512007A1 (de) * 1995-03-31 1996-10-02 Rexroth Mannesmann Gmbh Hydraulisch betätigbares Wegeventil
EP0907831A1 (de) * 1996-07-05 1999-04-14 Parker Hannifin GmbH Steuereinrichtung für einen einseitig arbeitenden arbeitszylinder
US6135148A (en) * 1998-11-30 2000-10-24 Grabber Manufacturing Co., Ltd. Air hydraulic remote control device
US6298881B1 (en) 1999-03-16 2001-10-09 Shigemoto & Annett Ii, Inc. Modular fluid handling assembly and modular fluid handling units with double containment
US6990999B2 (en) * 2003-05-05 2006-01-31 Kjp Investments Llc Digitally controlled modular valve system
US8777545B2 (en) * 2009-10-20 2014-07-15 Bright Coop, Inc. Free lift mast for truck mounted forklift
JP5602074B2 (ja) * 2011-03-16 2014-10-08 カヤバ工業株式会社 制御弁
US10047769B2 (en) * 2014-04-29 2018-08-14 Volvo Construction Equipment Ab Flow control valve for construction equipment
US10323659B2 (en) 2017-05-16 2019-06-18 Parker-Hannifin Corporation Open center control valve
CN110173474A (zh) * 2019-05-05 2019-08-27 天津海弗液压技术有限公司 一种剪插车液压系统整体式阀块

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012576A (en) * 1959-02-24 1961-12-12 Commercial Shearing Control valves with spool check and spool alignment devices
US3414017A (en) * 1966-09-06 1968-12-03 Commercial Shearing Fluid control valves
US3502109A (en) * 1967-12-07 1970-03-24 Gresen Manufacturing Co Quick response pilot operated valve
GB1340193A (en) * 1970-04-24 1973-12-12 Dowty Technical Dev Ltd Selector valves
US3659325A (en) * 1970-06-03 1972-05-02 Cessna Aircraft Co Control valve method of manufacture
US3717175A (en) * 1971-04-08 1973-02-20 Dowty Technical Dev Ltd Selector valves
US4139021A (en) * 1972-07-19 1979-02-13 Cross Manufacturing, Inc. Hydraulic control instrumentality
US3771558A (en) * 1972-07-20 1973-11-13 Cross Manuf Inc Combined open-center pressure control and regeneration valve
DE2601484C2 (de) * 1976-01-16 1984-07-26 Robert Bosch Gmbh, 7000 Stuttgart Steuereinrichtung für mindestens zwei von einer Druckmittelquelle gespeiste hydraulische Verbraucher
US4099541A (en) * 1976-11-12 1978-07-11 Sperry Rand Corporation Power transmission
US4215720A (en) * 1978-10-02 1980-08-05 General Signal Corporation Fluid control valve system
US4253482A (en) * 1979-03-05 1981-03-03 Gresen Manufacturing Company Hydraulic valve having pressure compensated demand flow
JPS56139064U (de) * 1980-03-22 1981-10-21
JPS56139064A (en) * 1980-03-31 1981-10-30 Matsushita Electric Works Ltd Rotor for flat motor
US4430927A (en) * 1980-06-19 1984-02-14 Rubery Owen (Hydraulics) Limited Hydraulic valves
JPS58113604A (ja) * 1981-12-25 1983-07-06 Hitachi Constr Mach Co Ltd 多連コントロ−ルバルブ
US4655250A (en) * 1986-02-03 1987-04-07 The Cessna Aircraft Company Open center unloading valve
JPS6454588A (en) * 1987-08-25 1989-03-02 Nec Corp Automatic paper money handler
JPH01169183A (ja) * 1987-12-23 1989-07-04 Koganei Seisakusho:Kk マニホールド弁
JPH0716943Y2 (ja) * 1989-01-27 1995-04-19 東芝機械株式会社 方向制御弁

Also Published As

Publication number Publication date
EP0474872A4 (en) 1992-09-02
WO1991014121A1 (en) 1991-09-19
DE69112544T2 (de) 1996-02-08
EP0474872B1 (de) 1995-08-30
US5394903A (en) 1995-03-07
EP0474872A1 (de) 1992-03-18

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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: KOMATSU ZENOAH CO., KAWAGOE, SAITAMA, JP

8339 Ceased/non-payment of the annual fee