GB1457492A - Hydraulic control vavle - Google Patents

Hydraulic control vavle

Info

Publication number
GB1457492A
GB1457492A GB1397075A GB1397075A GB1457492A GB 1457492 A GB1457492 A GB 1457492A GB 1397075 A GB1397075 A GB 1397075A GB 1397075 A GB1397075 A GB 1397075A GB 1457492 A GB1457492 A GB 1457492A
Authority
GB
United Kingdom
Prior art keywords
valve
flow
work port
piston
valve member
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
Application number
GB1397075A
Other languages
English (en)
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.)
Deere and Co
Original Assignee
Deere and 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
Application filed by Deere and Co filed Critical Deere and Co
Publication of GB1457492A publication Critical patent/GB1457492A/en
Expired 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
    • F15B13/04—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
    • 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
    • Y10T137/8593—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
    • Y10T137/87193—Pilot-actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Multiple-Way Valves (AREA)
  • Safety Valves (AREA)
  • Check Valves (AREA)
  • Measuring Fluid Pressure (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Sliding Valves (AREA)
GB1397075A 1974-04-04 1975-04-04 Hydraulic control vavle Expired GB1457492A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US457961A US3906980A (en) 1974-04-04 1974-04-04 Direction control valve embodying a sleeve-like pressure equalizing valve element

Publications (1)

Publication Number Publication Date
GB1457492A true GB1457492A (en) 1976-12-01

Family

ID=23818764

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1397075A Expired GB1457492A (en) 1974-04-04 1975-04-04 Hydraulic control vavle

Country Status (8)

Country Link
US (1) US3906980A (cg-RX-API-DMAC7.html)
JP (1) JPS5833433B2 (cg-RX-API-DMAC7.html)
AR (1) AR209095A1 (cg-RX-API-DMAC7.html)
CA (1) CA1025324A (cg-RX-API-DMAC7.html)
DE (1) DE2513013C3 (cg-RX-API-DMAC7.html)
FR (1) FR2266812B1 (cg-RX-API-DMAC7.html)
GB (1) GB1457492A (cg-RX-API-DMAC7.html)
SE (1) SE408816B (cg-RX-API-DMAC7.html)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096784A (en) * 1976-09-07 1978-06-27 Theodore Ongaro Hydraulic power system
ES2004356A6 (es) * 1986-12-26 1989-01-01 Hiac Valman S A Distribuidor para cilindros hidraulicos
US5038670A (en) * 1990-04-09 1991-08-13 Dynamic Valves, Inc. Pneumatic control valve apparatus
GB9512368D0 (en) * 1995-06-17 1995-08-16 Knorr Bremse Systeme Fluid pressure responsive governor valves
US5799485A (en) * 1995-06-22 1998-09-01 Robert Bosch Gmbh Electrohydraulic control device for double-acting consumer
DE19522746A1 (de) * 1995-06-22 1997-01-02 Bosch Gmbh Robert Elektrohydraulische Steuereinrichtung für einen doppeltwirkenden Verbraucher
EP1511954B1 (de) * 2002-06-12 2006-01-11 FSP Fluid Systems Partners Holding AG Einschraubventil
CN103352887B (zh) * 2013-07-18 2015-08-19 武汉科技大学 一种单叶片水压自伺服转阀
US10371276B2 (en) * 2014-05-01 2019-08-06 Eaton Intelligent Power Limited Manual override assembly
CN105042119A (zh) * 2015-06-26 2015-11-11 合肥工业大学 一种分片式手动多路换向阀
CN111473007B (zh) * 2020-04-26 2022-03-18 长江三峡通航管理局 船闸应急操作的输水阀门液压系统及应急关阀操作方法
CN113685387B (zh) * 2021-07-19 2023-10-27 北京天玛智控科技股份有限公司 压力平衡式水基比例换向阀
CN114484062B (zh) * 2022-03-17 2024-02-27 浙江成达特种阀门有限公司 一种可避免误操作的四通球阀操作机构

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE905702C (de) * 1951-04-18 1954-03-04 Rotenburger Metallwerke Rudolf Steuervorrichtung fuer hydraulische Stellmotoren
US3631761A (en) * 1967-09-18 1972-01-04 Houdaille Industries Inc Hydraulic action devices with inertia insensitive snubbing circuit
CA930279A (en) * 1969-11-13 1973-07-17 Deere And Company Directional control valve

Also Published As

Publication number Publication date
SE7503580L (sv) 1975-10-06
DE2513013A1 (de) 1975-10-16
AR209095A1 (es) 1977-03-31
FR2266812B1 (cg-RX-API-DMAC7.html) 1977-04-15
DE2513013B2 (de) 1980-10-02
DE2513013C3 (de) 1981-07-16
US3906980A (en) 1975-09-23
JPS50131127A (cg-RX-API-DMAC7.html) 1975-10-17
JPS5833433B2 (ja) 1983-07-19
FR2266812A1 (cg-RX-API-DMAC7.html) 1975-10-31
CA1025324A (en) 1978-01-31
SE408816B (sv) 1979-07-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee