DE69517437T2 - Ausgleichsventil - Google Patents

Ausgleichsventil

Info

Publication number
DE69517437T2
DE69517437T2 DE69517437T DE69517437T DE69517437T2 DE 69517437 T2 DE69517437 T2 DE 69517437T2 DE 69517437 T DE69517437 T DE 69517437T DE 69517437 T DE69517437 T DE 69517437T DE 69517437 T2 DE69517437 T2 DE 69517437T2
Authority
DE
Germany
Prior art keywords
compensating valve
compensating
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 - Lifetime
Application number
DE69517437T
Other languages
English (en)
Other versions
DE69517437D1 (de
Inventor
Mitsuru Arai
Seita Hayashi
Sadao Nunotani
Hideki Kado
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 Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Application granted granted Critical
Publication of DE69517437D1 publication Critical patent/DE69517437D1/de
Publication of DE69517437T2 publication Critical patent/DE69517437T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • E02F9/2264—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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
    • 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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
    • F15B11/0445—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out" with counterbalance valves, e.g. to prevent overrunning or for braking
    • 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
    • F15B13/021—Valves for interconnecting the fluid chambers of an actuator
    • 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
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
    • F15B2211/50581—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using counterbalance 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/85—Control during special operating conditions
    • F15B2211/853—Control during special operating conditions during stopping
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2544—Supply and exhaust type
    • Y10T137/2554—Reversing or 4-way valve systems
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2562—Dividing and recombining
DE69517437T 1994-10-18 1995-10-18 Ausgleichsventil Expired - Lifetime DE69517437T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP25212694A JP3549124B2 (ja) 1994-10-18 1994-10-18 カウンタバランス弁
PCT/JP1995/002135 WO1996012110A1 (en) 1994-10-18 1995-10-18 Counter-balance valve

Publications (2)

Publication Number Publication Date
DE69517437D1 DE69517437D1 (de) 2000-07-13
DE69517437T2 true DE69517437T2 (de) 2001-02-08

Family

ID=17232841

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69517437T Expired - Lifetime DE69517437T2 (de) 1994-10-18 1995-10-18 Ausgleichsventil

Country Status (7)

Country Link
US (1) US6068013A (de)
EP (1) EP0787904B1 (de)
JP (1) JP3549124B2 (de)
KR (1) KR960014733A (de)
CN (1) CN1166870A (de)
DE (1) DE69517437T2 (de)
WO (1) WO1996012110A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6923289B1 (en) 2003-09-11 2005-08-02 Sauer-Danfoss, Inc. Closed circuit steering circuit for mobile vehicles
CN102619798B (zh) * 2011-01-26 2015-05-20 南京工程学院 高频液压转阀
CN102562699B (zh) * 2011-12-16 2014-04-30 中联重科股份有限公司 平衡阀、液压缸伸缩控制回路以及起重机
CN102562920B (zh) * 2012-01-20 2014-01-22 河海大学常州校区 比例主控液压旋转阻尼器
CN102562904B (zh) * 2012-01-20 2014-04-16 河海大学常州校区 主控液压旋转阻尼器
CN102992135B (zh) * 2012-12-10 2015-03-11 河海大学常州校区 电梯液压限速器
CN103016596B (zh) * 2012-12-10 2014-08-27 河海大学常州校区 速度敏感型液压旋转阻尼器
CN104747523B (zh) * 2015-04-02 2017-03-15 武汉船用机械有限责任公司 一种下放速度限制液压控制阀
CN104912866B (zh) * 2015-06-29 2017-05-10 宁波精垦液压有限公司 一种紧凑型全液压行走集成阀
CN106870499B (zh) * 2017-04-28 2018-12-21 太原科技大学 一种阻尼缓冲阀
JP6931308B2 (ja) * 2017-09-26 2021-09-01 川崎重工業株式会社 揺れ戻し防止装置
US10801523B2 (en) * 2017-11-08 2020-10-13 Clark Equipment Company Hydraulic circuit for travel motor
CN110552928A (zh) * 2019-09-24 2019-12-10 江苏徐工工程机械研究院有限公司 一种集成阀及浮动液压系统
CN114779832B (zh) * 2022-03-04 2024-04-26 杭州诺祥科技有限公司 一种双轴太阳能板自动跟踪驱动系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2837106A (en) * 1955-02-18 1958-06-03 Russell E Bauer Lock valve
CH568487A5 (de) * 1973-08-08 1975-10-31 Cyphelly Ivan J
US4114516A (en) * 1976-10-15 1978-09-19 Caterpillar Tractor Co. Anti-cavitation and pressure modulating relief valve for controlling hydraulic cylinders
DE3151027A1 (de) * 1981-12-23 1983-07-28 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische steuereinrichtung fuer einen servomotor
JPS58146167A (ja) * 1982-02-24 1983-08-31 Nec Corp 着信番号伝言サ−ビス方式
JPS58146167U (ja) * 1982-03-26 1983-10-01 カヤバ工業株式会社 ダブルカウンタバランス弁
JPH0329649Y2 (de) * 1984-09-13 1991-06-24
JPH0221659Y2 (de) * 1984-10-15 1990-06-11
JP2603868B2 (ja) * 1989-04-24 1997-04-23 株式会社小松製作所 カウンタバランス弁
JPH04138103A (ja) * 1990-09-28 1992-05-12 Sekisui Chem Co Ltd 厨房用収納庫

Also Published As

Publication number Publication date
EP0787904B1 (de) 2000-06-07
EP0787904A4 (de) 1997-12-17
EP0787904A1 (de) 1997-08-06
CN1166870A (zh) 1997-12-03
JPH08121405A (ja) 1996-05-14
DE69517437D1 (de) 2000-07-13
US6068013A (en) 2000-05-30
JP3549124B2 (ja) 2004-08-04
KR960014733A (ko) 1996-05-22
WO1996012110A1 (en) 1996-04-25

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Legal Events

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