KR920700371A - 카운터 벨런스 밸브 - Google Patents

카운터 벨런스 밸브

Info

Publication number
KR920700371A
KR920700371A KR1019900702624A KR900702624A KR920700371A KR 920700371 A KR920700371 A KR 920700371A KR 1019900702624 A KR1019900702624 A KR 1019900702624A KR 900702624 A KR900702624 A KR 900702624A KR 920700371 A KR920700371 A KR 920700371A
Authority
KR
South Korea
Prior art keywords
port
pump side
pressure chamber
move
motor shaft
Prior art date
Application number
KR1019900702624A
Other languages
English (en)
Inventor
도시유끼 요시다
Original Assignee
다나까 마사오
가부시기가이샤 고마쯔 세이사쿠쇼
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 다나까 마사오, 가부시기가이샤 고마쯔 세이사쿠쇼 filed Critical 다나까 마사오
Publication of KR920700371A publication Critical patent/KR920700371A/ko

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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • 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
    • F15B13/04—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
    • F15B13/0407—Means for damping the valve member movement
    • 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
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/428—Flow control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/40—Flow control
    • F15B2211/46—Control of flow in the return line, i.e. meter-out control
    • 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
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief 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
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50545—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using braking valves to maintain a back pressure
    • 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
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5153—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve
    • F15B2211/5154—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve being connected to multiple ports of an output member
    • 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
    • F15B2211/55—Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members
    • 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
    • F15B2211/86—Control during or prevention of abnormal conditions
    • F15B2211/8609—Control during or prevention of abnormal conditions the abnormal condition being cavitation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Safety Valves (AREA)

Abstract

내용 없음

Description

카운터 밸런스 밸브
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 내지 제3도는 본 발명에 일시예를 표시하는 것으로, 제1도는 카운터밸런스밸브의 단면도,
제2도, 제3도는 그 동작설명도.

Claims (2)

  1. 밸브본체(20)에 제1, 제2 펌프측포오트(22),(23)와 제1, 제2 모우터축포오트 (24),(25)를 연통, 차단하는 스푸울(26)을 좌우 슬라이드 이동 자재하게 설치하고, 이 스푸울(26)을 각 포오트를 차단하는 중립위치에 스프링력으로 지지하며, 또한 좌수압실(28)내의 압축유로 제2펌프측포오트(23)와 제2모우터축 포오트(25)를 연통하는 제1위치로 이동하고, 우수압실(29)내의 압축유로 제1펌프축포오트(22)와 제1모우터축포오트(24)를 연통하는 제2위치로 이동하는 구성으로 하며 상기한 좌수압실(28)과 제1펌프측포오트(22) 사이에, 또 상기한 우수압실(29)과 제2펌프측오포트 (23) 사이에 이들을 연통하는 복수의 교축공(37),(38),(39)을 각각 설치한 것을 특징으로 하는 카운터밸런스밸브.
  2. 제1항에 있어서, 상기한 복수의 교축공(37),(38),(39)의 연통면적은 수푸울 (26)이 제1, 제2 위치인 때에 최대면적이고, 중립위치로 향해서 약간 이동하면 최소면적으로 되며, 더욱 중립위치로 향해서 이동하면 양자의 중간 면적으로 되도록 구성한 것을 특징으로 하는 카운터 밸런스밸브.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900702624A 1989-04-24 1990-04-20 카운터 벨런스 밸브 KR920700371A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1-101708 1989-04-24
JP10170889A JP2603868B2 (ja) 1989-04-24 1989-04-24 カウンタバランス弁
PCT/JP1990/000516 WO1990012973A1 (en) 1989-04-24 1990-04-20 Counterbalance valve

Publications (1)

Publication Number Publication Date
KR920700371A true KR920700371A (ko) 1992-02-19

Family

ID=14307807

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900702624A KR920700371A (ko) 1989-04-24 1990-04-20 카운터 벨런스 밸브

Country Status (6)

Country Link
US (1) US5113894A (ko)
EP (1) EP0423362B1 (ko)
JP (1) JP2603868B2 (ko)
KR (1) KR920700371A (ko)
DE (1) DE69011265T2 (ko)
WO (1) WO1990012973A1 (ko)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3654599B2 (ja) * 1994-09-09 2005-06-02 株式会社小松製作所 油圧式駆動装置の変速装置およびその変速制御方法
JP3549124B2 (ja) * 1994-10-18 2004-08-04 株式会社小松製作所 カウンタバランス弁
US5579676A (en) * 1995-07-13 1996-12-03 Husco International, Inc. Hydraulic valve to maintain control in fluid-loss condition
US5715865A (en) * 1996-11-13 1998-02-10 Husco International, Inc. Pressure compensating hydraulic control valve system
US5878647A (en) * 1997-08-11 1999-03-09 Husco International Inc. Pilot solenoid control valve and hydraulic control system using same
US5890362A (en) * 1997-10-23 1999-04-06 Husco International, Inc. Hydraulic control valve system with non-shuttle pressure compensator
JP3622822B2 (ja) * 1997-10-27 2005-02-23 株式会社小松製作所 カウンタバランス弁
US5950429A (en) * 1997-12-17 1999-09-14 Husco International, Inc. Hydraulic control valve system with load sensing priority
JP4633393B2 (ja) * 2004-07-05 2011-02-16 ナブテスコ株式会社 キャビテーション防止油圧回路
US8543245B2 (en) * 2009-11-20 2013-09-24 Halliburton Energy Services, Inc. Systems and methods for specifying an operational parameter for a pumping system
US9488285B2 (en) * 2011-10-24 2016-11-08 Eaton Corporation Line pressure valve to selectively control distribution of pressurized fluid
US11242041B2 (en) * 2018-04-23 2022-02-08 Safran Landing Systems Canada Inc. Slow response solenoid hydraulic valve, and associated systems and methods
CN108799226B (zh) * 2018-05-18 2020-08-07 台州市路桥区嘉伟鞋帽厂 一种插装式翻转控制阀
CN108626190B (zh) * 2018-05-18 2020-05-29 邹城市益诚机械有限公司 一种插装式控制阀
CN108488130B (zh) * 2018-05-18 2019-12-24 江苏南京白马现代农业高新技术产业园有限公司 一种控制阀装置
CN108612700B (zh) * 2018-05-18 2020-11-24 安徽仕烽油压科技有限公司 插装式翻转控制阀
CN108612695B (zh) * 2018-05-18 2020-08-14 浙江智伦机电有限公司 一种用于单缸的自动换向阀
CN108591156B (zh) * 2018-05-18 2020-07-14 淮安市君宝液压机械有限公司 一种油路切换阀
JP6959905B2 (ja) * 2018-11-29 2021-11-05 日立建機株式会社 油圧駆動装置

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Publication number Priority date Publication date Assignee Title
US2837106A (en) * 1955-02-18 1958-06-03 Russell E Bauer Lock valve
JPS5514321A (en) * 1978-07-12 1980-01-31 Teijin Seiki Co Ltd Liquid pressure circuit
DE2949657C2 (de) * 1979-12-11 1982-09-09 Danfoss A/S, 6430 Nordborg Ventilanordnung für einen hydraulischen Servomotor
JPS57132863A (en) * 1981-02-10 1982-08-17 Tsutomu Tanemoto Preparation of figured kamaboko(boiled fish paste)
JPS57132863U (ko) * 1981-02-13 1982-08-19
JPH0237507B2 (ja) * 1981-05-30 1990-08-24 Kayaba Industry Co Ltd Kauntabaransubennodanpingusochi
JPH01122502A (ja) * 1987-11-06 1989-05-15 Matsushita Electric Ind Co Ltd 壁面照明方法
JPH01122502U (ko) * 1988-02-16 1989-08-21

Also Published As

Publication number Publication date
EP0423362A4 (en) 1991-08-21
DE69011265T2 (de) 1994-11-24
DE69011265D1 (de) 1994-09-08
EP0423362B1 (en) 1994-08-03
US5113894A (en) 1992-05-19
JP2603868B2 (ja) 1997-04-23
WO1990012973A1 (en) 1990-11-01
JPH02283977A (ja) 1990-11-21
EP0423362A1 (en) 1991-04-24

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