FR2468769A1 - Circuit a moteurs bidirectionnels - Google Patents

Circuit a moteurs bidirectionnels Download PDF

Info

Publication number
FR2468769A1
FR2468769A1 FR7927223A FR7927223A FR2468769A1 FR 2468769 A1 FR2468769 A1 FR 2468769A1 FR 7927223 A FR7927223 A FR 7927223A FR 7927223 A FR7927223 A FR 7927223A FR 2468769 A1 FR2468769 A1 FR 2468769A1
Authority
FR
France
Prior art keywords
valve
motors
fluid
chamber
bore
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.)
Granted
Application number
FR7927223A
Other languages
English (en)
French (fr)
Other versions
FR2468769B1 (https=
Inventor
John D Petro
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.)
Commercial Shearing Inc
Original Assignee
Commercial Shearing Inc
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 Commercial Shearing Inc filed Critical Commercial Shearing Inc
Priority to FR7927223A priority Critical patent/FR2468769A1/fr
Publication of FR2468769A1 publication Critical patent/FR2468769A1/fr
Application granted granted Critical
Publication of FR2468769B1 publication Critical patent/FR2468769B1/fr
Granted 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
    • 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
    • F16H61/44—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation
    • F16H61/448—Control circuits for tandem pumps or motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • B66D1/40—Control devices
    • B66D1/42—Control devices non-automatic
    • B66D1/44—Control devices non-automatic pneumatic of hydraulic
    • 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
    • F16H61/44—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
FR7927223A 1979-11-05 1979-11-05 Circuit a moteurs bidirectionnels Granted FR2468769A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7927223A FR2468769A1 (fr) 1979-11-05 1979-11-05 Circuit a moteurs bidirectionnels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7927223A FR2468769A1 (fr) 1979-11-05 1979-11-05 Circuit a moteurs bidirectionnels

Publications (2)

Publication Number Publication Date
FR2468769A1 true FR2468769A1 (fr) 1981-05-08
FR2468769B1 FR2468769B1 (https=) 1985-04-19

Family

ID=9231301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7927223A Granted FR2468769A1 (fr) 1979-11-05 1979-11-05 Circuit a moteurs bidirectionnels

Country Status (1)

Country Link
FR (1) FR2468769A1 (https=)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618291A (en) * 1946-05-02 1952-11-18 Hydraulik As Control valve for hydraulic drive transmissions
GB796230A (en) * 1955-10-20 1958-06-11 Yale & Towne Mfg Co Improvements relating to hydraulic drive for vehicles such as industrial trucks
GB1206686A (en) * 1967-11-03 1970-09-30 Cascade Corp Hydraulic motor drive
US3757524A (en) * 1972-02-17 1973-09-11 Chance Co Ab Multiple speed hydraulic gear motor driven gear unit
US3768263A (en) * 1971-12-27 1973-10-30 Hyster Co Hydraulic control system for two-speed winch
US3849985A (en) * 1972-12-04 1974-11-26 Tyrone Hydraulics Control system for multiple motor hydraulic means

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618291A (en) * 1946-05-02 1952-11-18 Hydraulik As Control valve for hydraulic drive transmissions
GB796230A (en) * 1955-10-20 1958-06-11 Yale & Towne Mfg Co Improvements relating to hydraulic drive for vehicles such as industrial trucks
GB1206686A (en) * 1967-11-03 1970-09-30 Cascade Corp Hydraulic motor drive
US3768263A (en) * 1971-12-27 1973-10-30 Hyster Co Hydraulic control system for two-speed winch
US3757524A (en) * 1972-02-17 1973-09-11 Chance Co Ab Multiple speed hydraulic gear motor driven gear unit
US3849985A (en) * 1972-12-04 1974-11-26 Tyrone Hydraulics Control system for multiple motor hydraulic means

Also Published As

Publication number Publication date
FR2468769B1 (https=) 1985-04-19

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Legal Events

Date Code Title Description
ST Notification of lapse