KR920702756A - 압력보상밸브를 구비한 조작밸브 - Google Patents

압력보상밸브를 구비한 조작밸브

Info

Publication number
KR920702756A
KR920702756A KR1019910702010A KR910702010A KR920702756A KR 920702756 A KR920702756 A KR 920702756A KR 1019910702010 A KR1019910702010 A KR 1019910702010A KR 910702010 A KR910702010 A KR 910702010A KR 920702756 A KR920702756 A KR 920702756A
Authority
KR
South Korea
Prior art keywords
valve
opening
pressure
holes
pressure compensation
Prior art date
Application number
KR1019910702010A
Other languages
English (en)
Inventor
테루오 아끼야마
기요시 시라이
나오끼 이시자끼
고지 야마시타
신니찌 시노자끼
Original Assignee
가다따 데쯔야
가부시기가이샤 고마쯔세이사꾸쇼
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=14848886&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR920702756(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 가다따 데쯔야, 가부시기가이샤 고마쯔세이사꾸쇼 filed Critical 가다따 데쯔야
Publication of KR920702756A publication Critical patent/KR920702756A/ko

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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • 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
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement 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
    • E02F9/2225—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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Check Valves (AREA)

Abstract

내용 없음

Description

압력보상밸브를 구비한 조작밸브
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 압력보상밸브를 구비한 조작밸의 종 단면도.
제2도는 본 발명 압력보상밸브를 구비한 조작밸브가 조립 되어지는 유압회로도.

Claims (2)

  1. 밸브본체안에, 전환스푸울과 압력보상밸브가 조립되어 있는 압력보상밸브를 구비한 조작밸브에 있어서, 스푸울의 축심에 형성된 오일구멍은 한쪽끝부분을 부하압력 검출포오트측에 개구되고, 다른쪽 끝부분에 첵밸브를 구비하고, 이 첵밸브 위치로부터 다른끝측에 복귀통로쪽으로 개부되는 세공을 구비하고, 게다가 상기 오일구멍의 중간에서 출구통로에 개구되는 소공을 가지고 있는 것을 특징으로 하는 압력보상밸브를 구비한 조작밸브.
  2. 제1항에 있어서, 상기 스푸울은 1개로 되어지고, 그 축심의 양끝에서 좌우 대칭으로 상기 오일구멍이 배설되며, 상기 책밸브, 복귀통로측으로 개구하는 세공, 출구통로에 개구되는 소공이 각각 형성되는 것을 특징으로 하는 압력보상밸브를 구비한 조작밸브.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910702010A 1990-05-15 1991-05-15 압력보상밸브를 구비한 조작밸브 KR920702756A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP90-122960 1990-05-15
JP2122960A JP2557000B2 (ja) 1990-05-15 1990-05-15 操作弁装置
PCT/JP1991/000638 WO1991018211A1 (en) 1990-05-15 1991-05-15 Control valve provided with pressure compensated valve

Publications (1)

Publication Number Publication Date
KR920702756A true KR920702756A (ko) 1992-10-06

Family

ID=14848886

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910702010A KR920702756A (ko) 1990-05-15 1991-05-15 압력보상밸브를 구비한 조작밸브

Country Status (6)

Country Link
US (1) US5273069A (ko)
EP (1) EP0483374B1 (ko)
JP (1) JP2557000B2 (ko)
KR (1) KR920702756A (ko)
DE (1) DE69112336T2 (ko)
WO (1) WO1991018211A1 (ko)

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JP2579202Y2 (ja) * 1992-04-10 1998-08-20 株式会社小松製作所 圧力補償弁を備えた操作弁
JPH06193606A (ja) * 1992-12-22 1994-07-15 Komatsu Ltd 圧力補償弁を備えた操作弁
JP2981408B2 (ja) * 1995-02-16 1999-11-22 日本電気システム建設株式会社 カメラ画像内の目的とする被写体の高速導入制御方法および装置
DE19640103C2 (de) * 1996-09-28 2000-12-07 Danfoss Fluid Power As Nordbor Steuerventil
DE10332120A1 (de) * 2003-07-15 2005-02-03 Bosch Rexroth Ag Steueranordnung und Verfahren zur Ansteuerung von wenigstens zwei hydraulischen Verbrauchern
DE10342037A1 (de) * 2003-09-11 2005-04-07 Bosch Rexroth Ag Steueranordnung und Verfahren zur Druckmittelversorgung von zumindest zwei hydraulischen Verbrauchern
DE102006012030A1 (de) * 2006-03-14 2007-09-20 Robert Bosch Gmbh Hydraulische Ventilanordnung
JP2007263142A (ja) * 2006-03-27 2007-10-11 Toyota Industries Corp 油圧制御装置
DE102006018706A1 (de) * 2006-04-21 2007-10-25 Robert Bosch Gmbh Hydraulische Steueranordnung
DE102007029358A1 (de) 2007-06-26 2009-01-02 Robert Bosch Gmbh Verfahren und hydraulische Steueranordnung zur Druckmittelversorgung zumindest eines hydraulischen Verbrauchers
DE102007029355A1 (de) * 2007-06-26 2009-01-02 Robert Bosch Gmbh Hydraulische Steueranordnung
DE102007062649A1 (de) * 2007-12-24 2009-06-25 Hydac Electronic Gmbh Ventilvorrichtung
DE102008018936A1 (de) * 2008-04-15 2009-10-22 Robert Bosch Gmbh Steueranordnung zur Ansteuerung eines Wegeventils
DE102009053901B3 (de) * 2009-11-20 2011-04-28 Abb Technology Ag Ventilanordnung
US8950463B2 (en) 2009-12-23 2015-02-10 Safe-T-Shade Cordless coverings for architectural opening having cord enclosures with a swivel feature and methods of assembling such cord enclosures
US8540006B1 (en) 2012-05-08 2013-09-24 SAFE-T-SHADE, Inc. Apparatuses, systems and methods for locking lift cords used to lift architectural opening coverings
CN103423226B (zh) * 2013-08-21 2016-02-24 常德中联重科液压有限公司 换向阀组件及包括该换向阀组件的液压***
US9719296B1 (en) 2014-10-06 2017-08-01 Safe-T-Shade Apparatuses and systems for selectively locking lift cords used to lift architectural opening coverings
CN108661966B (zh) * 2018-06-08 2019-12-20 东莞海特帕沃液压科技有限公司 一种插装式压力补偿阀

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* Cited by examiner, † Cited by third party
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US3565110A (en) * 1969-08-04 1971-02-23 Commercial Shearing Control valves
US3707988A (en) * 1971-09-24 1973-01-02 Commercial Shearing Control valves
US3878864A (en) * 1973-12-07 1975-04-22 Borg Warner Bypass valve
US3971216A (en) * 1974-06-19 1976-07-27 The Scott & Fetzer Company Load responsive system with synthetic signal
US4198822A (en) * 1977-07-18 1980-04-22 The Scott & Fetzer Company Load responsive hydraulic system
US4253482A (en) * 1979-03-05 1981-03-03 Gresen Manufacturing Company Hydraulic valve having pressure compensated demand flow
FR2517791B1 (fr) * 1981-12-03 1986-02-28 Rexroth Sigma Perfectionnements apportes aux distributeurs hydrauliques
US4617798A (en) * 1983-04-13 1986-10-21 Linde Aktiengesellschaft Hydrostatic drive systems
DK154169C (da) * 1984-10-03 1989-03-20 Danfoss As Styreindretning for en hydraulisk drevet forbruger
DE3841507C1 (ko) * 1988-01-22 1989-06-29 Danfoss A/S, Nordborg, Dk
JPH07103882B2 (ja) * 1989-03-22 1995-11-08 株式会社小松製作所 圧力補償付液圧弁

Also Published As

Publication number Publication date
US5273069A (en) 1993-12-28
JPH0419411A (ja) 1992-01-23
WO1991018211A1 (en) 1991-11-28
EP0483374A4 (en) 1993-07-28
EP0483374A1 (en) 1992-05-06
DE69112336T2 (de) 1996-04-18
JP2557000B2 (ja) 1996-11-27
EP0483374B1 (en) 1995-08-23
DE69112336D1 (de) 1995-09-28

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