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GB1378378A - Hydraulic control valve - Google Patents

Hydraulic control valve

Info

Publication number
GB1378378A
GB1378378A GB2207574A GB2207574A GB1378378A GB 1378378 A GB1378378 A GB 1378378A GB 2207574 A GB2207574 A GB 2207574A GB 2207574 A GB2207574 A GB 2207574A GB 1378378 A GB1378378 A GB 1378378A
Authority
GB
United Kingdom
Prior art keywords
control valve
hydraulic control
jan
heading
concerned
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
GB2207574A
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.)
HYDRAULIC INDUSTRIES
Original Assignee
HYDRAULIC INDUSTRIES
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 HYDRAULIC INDUSTRIES filed Critical HYDRAULIC INDUSTRIES
Publication of GB1378378A publication Critical patent/GB1378378A/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
    • F15B13/0403—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves a secondary valve member sliding within the main spool, e.g. for regeneration flow
    • 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
    • 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
    • Y10T137/87177—With bypass

Landscapes

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

Abstract

1378378 Valves HYDRAULIC INDUSTRIES Inc 20 Jan 1972 [20 Jan 1971] 22075/74 Divided out of 1378377 Heading F2V The subject-matter of the present Specification also appears in Specification 1,378,377. The claims are concerned with the arrangement of the pressure actuated compensating valve in relation to the slidable spool.
GB2207574A 1971-01-20 1972-01-20 Hydraulic control valve Expired GB1378378A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10812771A 1971-01-20 1971-01-20

Publications (1)

Publication Number Publication Date
GB1378378A true GB1378378A (en) 1974-12-27

Family

ID=22320469

Family Applications (2)

Application Number Title Priority Date Filing Date
GB4914771A Expired GB1378377A (en) 1971-01-20 1972-01-20 Hydraulic control valve
GB2207574A Expired GB1378378A (en) 1971-01-20 1972-01-20 Hydraulic control valve

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB4914771A Expired GB1378377A (en) 1971-01-20 1972-01-20 Hydraulic control valve

Country Status (3)

Country Link
US (1) US3718159A (en)
DE (1) DE2201839A1 (en)
GB (2) GB1378377A (en)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807447A (en) * 1972-02-24 1974-04-30 Daikin Ind Ltd Fluid controlling apparatus
US3827453A (en) * 1972-05-05 1974-08-06 Parker Hannifin Corp Directional control valve
US4139021A (en) * 1972-07-19 1979-02-13 Cross Manufacturing, Inc. Hydraulic control instrumentality
US3881512A (en) * 1973-09-21 1975-05-06 Koehring Co Hydraulic control valve and pressure compensating mechanism therefor
US3878864A (en) * 1973-12-07 1975-04-22 Borg Warner Bypass valve
US3934742A (en) * 1973-12-26 1976-01-27 Hydraulic Industries, Inc. Valve mechanism for automatic control of a number of fluid motors
US3911942A (en) * 1974-03-28 1975-10-14 Gen Signal Corp Compensated multifunction hydraulic system
US3885583A (en) * 1974-04-22 1975-05-27 Hydraulic Industries Pressure compensating valve mechanism for hydraulic control valves
US3929159A (en) * 1975-02-10 1975-12-30 Sperry Rand Corp Power transmission
FR2346582A1 (en) * 1976-04-02 1977-10-28 Bouteille Daniel PERFECTED DISTRIBUTION DEVICE FOR PNEUMATIC INSTALLATION
US4361169A (en) * 1979-11-13 1982-11-30 Commercial Shearing, Inc. Pressure compensated control valves
US4352375A (en) * 1980-04-14 1982-10-05 Commercial Shearing, Inc. Control valves
US4430927A (en) * 1980-06-19 1984-02-14 Rubery Owen (Hydraulics) Limited Hydraulic valves
US4335577A (en) * 1980-06-19 1982-06-22 Deere & Company Hydraulic system having variable displacement pumps controlled by power beyond flow
US4535821A (en) * 1982-05-19 1985-08-20 John Anderson Three way valve
DE3302000A1 (en) * 1983-01-21 1984-07-26 Danfoss A/S, Nordborg HYDRAULIC VALVE
FR2540214B1 (en) * 1983-01-27 1986-03-14 Rexroth Sigma IMPROVEMENTS TO FLUID DISTRIBUTORS
US4569367A (en) * 1985-01-14 1986-02-11 Commercial Shearing, Inc. Hydraulic valve inlet unloaders
US5487403A (en) * 1987-01-29 1996-01-30 Mollo; James R. Variable discharge pump with low unload to secondary
US5368061A (en) * 1987-01-29 1994-11-29 Mollo; James R. Load sensed variable discharge fixed displacement pump control with low unload features
US5515879A (en) * 1987-01-29 1996-05-14 Mollo; James R. Load sensed multi-purpose pressure control valve
KR950004530B1 (en) * 1989-08-16 1995-05-02 히다찌 겐끼 가부시기가이샤 Valve apparatus and hydraulic circuit system
US5640987A (en) * 1994-04-05 1997-06-24 Sturman; Oded E. Digital two, three, and four way solenoid control valves
US5598871A (en) * 1994-04-05 1997-02-04 Sturman Industries Static and dynamic pressure balance double flow three-way control valve
US6257499B1 (en) 1994-06-06 2001-07-10 Oded E. Sturman High speed fuel injector
US6161770A (en) * 1994-06-06 2000-12-19 Sturman; Oded E. Hydraulically driven springless fuel injector
US6148778A (en) * 1995-05-17 2000-11-21 Sturman Industries, Inc. Air-fuel module adapted for an internal combustion engine
US5641148A (en) * 1996-01-11 1997-06-24 Sturman Industries Solenoid operated pressure balanced valve
US6085991A (en) * 1998-05-14 2000-07-11 Sturman; Oded E. Intensified fuel injector having a lateral drain passage
JP4381774B2 (en) * 2003-10-27 2009-12-09 ナブテスコ株式会社 Gasket and multiple valve provided with gasket
US20070034466A1 (en) * 2005-08-15 2007-02-15 Tenneco Automotive Operating Company, Inc. Asymmetrical intake damper valve
GB2522191B (en) * 2014-01-15 2020-04-29 Bamford Excavators Ltd Bi-directional hydraulic flow control valve
CN106979185A (en) * 2017-04-24 2017-07-25 中国重型机械研究院股份公司 A kind of superposing type Zero-leakage hydraulic locking-valve
US10323659B2 (en) 2017-05-16 2019-06-18 Parker-Hannifin Corporation Open center control valve
CN109185249A (en) * 2018-09-28 2019-01-11 广东机电职业技术学院 A kind of car hydrostatic steering system automatic control flow valve

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US26338A (en) * 1859-12-06 Improvement in harvesters
US2359802A (en) * 1943-08-21 1944-10-10 Hydraulic Control Engineering Hollow plunger control valve
US2651324A (en) * 1949-11-01 1953-09-08 New York Air Brake Co Multiple control valve
US2755624A (en) * 1952-11-13 1956-07-24 Vickers Inc Power transmission
US2994346A (en) * 1959-09-02 1961-08-01 New York Air Brake Co Control valve
US3164171A (en) * 1961-01-30 1965-01-05 Clark Equipment Co Directional control valve
US3145734A (en) * 1961-10-06 1964-08-25 Borg Warner Pressure compensated flow control valve
US3230841A (en) * 1963-08-30 1966-01-25 Ray A York Constant speed control for hydraulic motors
CH444601A (en) * 1966-12-13 1967-09-30 Beringer Hydraulik Gmbh Control device for hydraulically operated equipment
US3565110A (en) * 1969-08-04 1971-02-23 Commercial Shearing Control valves

Also Published As

Publication number Publication date
DE2201839A1 (en) 1972-08-10
US3718159A (en) 1973-02-27
GB1378377A (en) 1974-12-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLE Entries relating assignments, transmissions, licences in the register of patents
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee