FR2269003B1 - - Google Patents

Info

Publication number
FR2269003B1
FR2269003B1 FR7438202A FR7438202A FR2269003B1 FR 2269003 B1 FR2269003 B1 FR 2269003B1 FR 7438202 A FR7438202 A FR 7438202A FR 7438202 A FR7438202 A FR 7438202A FR 2269003 B1 FR2269003 B1 FR 2269003B1
Authority
FR
France
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
FR7438202A
Other versions
FR2269003A1 (fr
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor 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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of FR2269003A1 publication Critical patent/FR2269003A1/fr
Application granted granted Critical
Publication of FR2269003B1 publication Critical patent/FR2269003B1/fr
Expired legal-status Critical Current

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
    • F16H—GEARING
    • F16H39/00—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution
    • F16H39/02—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motors at a distance from liquid pumps
    • 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
    • F16H61/4043—Control of a bypass valve
    • F16H61/4052—Control of a bypass valve by using a variable restriction, e.g. an orifice valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Gearings (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Fluid-Pressure Circuits (AREA)
FR7438202A 1974-04-24 1974-11-20 Expired FR2269003B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US463443A US3890788A (en) 1974-04-24 1974-04-24 Hydrostatic drive system

Publications (2)

Publication Number Publication Date
FR2269003A1 FR2269003A1 (fr) 1975-11-21
FR2269003B1 true FR2269003B1 (fr) 1978-07-07

Family

ID=23840100

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7438202A Expired FR2269003B1 (fr) 1974-04-24 1974-11-20

Country Status (6)

Country Link
US (1) US3890788A (fr)
JP (1) JPS5854305B2 (fr)
CA (1) CA1022828A (fr)
DE (1) DE2460155A1 (fr)
FR (1) FR2269003B1 (fr)
GB (1) GB1445910A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4694649A (en) * 1983-02-04 1987-09-22 Howeth David F Pressure limiting acceleration control system and valve for hydraulic motors
SE502257C2 (sv) * 1992-08-21 1995-09-25 Electrolux Ab Plungeventil
US5546752A (en) * 1995-02-23 1996-08-20 Hydro-Gear Ltd. Partnership Combination valve including improved neutral valve for use in hydrostatic transmission
US5570577A (en) * 1995-09-11 1996-11-05 Dixie Electrical Manufacturing Company Anchor torque controller for anchor installing machines
US6453668B1 (en) * 2000-07-12 2002-09-24 Deere & Company Transmission with cold start valve
US20060016186A1 (en) * 2004-07-21 2006-01-26 Xingen Dong Hydrostatic transmission with bypass valve
US7296594B1 (en) 2005-03-22 2007-11-20 Hydro-Gear Limited Partnership Combination check valve and neutral valve assembly for use in a hydraulic component
GB0914224D0 (en) 2009-08-14 2009-09-30 Artemis Intelligent Power Ltd Fluid control system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058894A (en) * 1932-10-05 1936-10-27 American Eng Co Ltd Speed and load regulating device for hydraulic transmissions
US3456442A (en) * 1967-07-26 1969-07-22 Eaton Yale & Towne Automatic neutral valve
US3672168A (en) * 1970-11-06 1972-06-27 Leonard M Salmon Rotary pump and power transmission system

Also Published As

Publication number Publication date
US3890788A (en) 1975-06-24
DE2460155A1 (de) 1975-11-13
CA1022828A (fr) 1977-12-20
FR2269003A1 (fr) 1975-11-21
JPS5854305B2 (ja) 1983-12-03
JPS50139267A (fr) 1975-11-07
GB1445910A (en) 1976-08-11

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Legal Events

Date Code Title Description
ST Notification of lapse