GB1467759A - Differential pressure regulator valve - Google Patents

Differential pressure regulator valve

Info

Publication number
GB1467759A
GB1467759A GB2914875A GB2914875A GB1467759A GB 1467759 A GB1467759 A GB 1467759A GB 2914875 A GB2914875 A GB 2914875A GB 2914875 A GB2914875 A GB 2914875A GB 1467759 A GB1467759 A GB 1467759A
Authority
GB
United Kingdom
Prior art keywords
spool
pressure
pump
port
actuator
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
GB2914875A
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.)
Doosan Bobcat North America Inc
Original Assignee
Clark Equipment 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 Clark Equipment Co filed Critical Clark Equipment Co
Publication of GB1467759A publication Critical patent/GB1467759A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07572—Propulsion arrangements
    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/46—Automatic regulation in accordance with output requirements
    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F16H61/465—Automatic regulation in accordance with output requirements for achieving a target input speed
    • 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
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2605—Pressure responsive
    • Y10T137/2607—With pressure reducing inlet valve
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7782—With manual or external control for line valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Control Of Fluid Gearings (AREA)
  • Gear-Shifting Mechanisms (AREA)
GB2914875A 1975-04-14 1975-07-10 Differential pressure regulator valve Expired GB1467759A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/567,680 US3977424A (en) 1975-04-14 1975-04-14 Differential pressure regulator valve for a hydrostatic transmission control system

Publications (1)

Publication Number Publication Date
GB1467759A true GB1467759A (en) 1977-03-23

Family

ID=24268190

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2914875A Expired GB1467759A (en) 1975-04-14 1975-07-10 Differential pressure regulator valve

Country Status (7)

Country Link
US (1) US3977424A (enExample)
JP (1) JPS51128027A (enExample)
BR (1) BR7505455A (enExample)
CA (1) CA1028925A (enExample)
DE (1) DE2529216A1 (enExample)
FR (1) FR2308037A1 (enExample)
GB (1) GB1467759A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2427521A1 (fr) * 1978-05-30 1979-12-28 Linde Ag Dispositif de commande et de regulation pour une transmission hydraulique
WO2019121014A1 (de) * 2017-12-22 2019-06-27 Hubtex Maschinenbau Gmbh & Co. Kg Betriebsverfahren eines personengesteuerten flurförderzeugs und flurförderzeug

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3120278C2 (de) * 1981-05-21 1983-03-24 Hydromatik Gmbh, 7900 Ulm "Steuereinrichtung für ein von einer Antriebsmaschine angetriebenes hydrostatisches Getriebe"
SE461391B (sv) * 1987-10-28 1990-02-12 Bt Ind Ab Hydraulisk lyftanordning
JPH0377855U (enExample) * 1989-08-29 1991-08-06
JPH04140573A (ja) * 1990-09-28 1992-05-14 Kubota Corp 作業車
US6694819B1 (en) * 1999-04-23 2004-02-24 Gammon Technical Products, Inc. Pressure gauge with automatically operated pressure relief valve
US7014428B2 (en) * 2002-12-23 2006-03-21 Visteon Global Technologies, Inc. Controls for variable displacement compressor
US20090215176A1 (en) * 2008-02-25 2009-08-27 Clemson University Differential Pressure Pump System
CN101863433B (zh) * 2010-05-20 2012-08-08 谷维才 双静压马达驱动的全液压传动叉车
CN103660928B (zh) * 2013-12-27 2016-09-21 阜阳市兴华机械装备有限公司 自主热交换并联闭式叉车静压驱动系统
CN104179744A (zh) * 2014-08-06 2014-12-03 浙江海宏液压科技股份有限公司 液压驻车阀
US9582007B2 (en) 2014-08-21 2017-02-28 Louis P. Vickio, Jr. Pressure regulator
CN108561352B (zh) * 2018-04-09 2020-02-25 广西柳工机械股份有限公司 充液阀及矿用自卸车液压系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US28113A (en) * 1860-05-01 thompson
GB974907A (en) * 1962-05-31 1964-11-11 Davy & United Eng Co Ltd Fluid regulating valves
US3143127A (en) * 1962-11-07 1964-08-04 Clark Equipment Co Regulating valve
US3339672A (en) * 1965-11-29 1967-09-05 Hyster Co Transmission control system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2427521A1 (fr) * 1978-05-30 1979-12-28 Linde Ag Dispositif de commande et de regulation pour une transmission hydraulique
WO2019121014A1 (de) * 2017-12-22 2019-06-27 Hubtex Maschinenbau Gmbh & Co. Kg Betriebsverfahren eines personengesteuerten flurförderzeugs und flurförderzeug
US11485620B2 (en) 2017-12-22 2022-11-01 Hubtex Maschinenbau Gmbh & Co. Kg Operating method for an operator-controlled industrial truck, and industrial truck

Also Published As

Publication number Publication date
FR2308037B1 (enExample) 1979-10-05
US3977424A (en) 1976-08-31
AU8244875A (en) 1977-01-06
FR2308037A1 (fr) 1976-11-12
JPS51128027A (en) 1976-11-08
BR7505455A (pt) 1977-03-15
DE2529216A1 (de) 1976-10-28
CA1028925A (en) 1978-04-04

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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
PCNP Patent ceased through non-payment of renewal fee