FR2262758A1 - Hydrostatic pump and motor transmission - has closed loop ratio control sensitive to error magnitude - Google Patents

Hydrostatic pump and motor transmission - has closed loop ratio control sensitive to error magnitude

Info

Publication number
FR2262758A1
FR2262758A1 FR7505941A FR7505941A FR2262758A1 FR 2262758 A1 FR2262758 A1 FR 2262758A1 FR 7505941 A FR7505941 A FR 7505941A FR 7505941 A FR7505941 A FR 7505941A FR 2262758 A1 FR2262758 A1 FR 2262758A1
Authority
FR
France
Prior art keywords
closed loop
ratio control
motor transmission
hydrostatic pump
error magnitude
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
FR7505941A
Other languages
English (en)
French (fr)
Other versions
FR2262758B1 (en, 2012
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.)
Eaton Corp
Original Assignee
Eaton Corp
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
Priority claimed from US446658A external-priority patent/US3901031A/en
Application filed by Eaton Corp filed Critical Eaton Corp
Publication of FR2262758A1 publication Critical patent/FR2262758A1/fr
Application granted granted Critical
Publication of FR2262758B1 publication Critical patent/FR2262758B1/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
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • 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
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/423—Motor capacity control by fluid pressure control means
    • 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
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/433—Pump capacity control by fluid pressure control means
    • 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
    • F16H61/47—Automatic regulation in accordance with output requirements for achieving a target output speed
    • 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
    • F16H59/00—Control inputs to control units of change-speed- or reversing-gearings for conveying rotary motion
    • F16H59/68—Inputs being a function of gearing status
    • F16H2059/6838—Sensing gearing status of hydrostatic transmissions
    • F16H2059/6853—Sensing gearing status of hydrostatic transmissions the state of the transmission units, i.e. motor or pump capacity, e.g. for controlled shifting of range gear

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Fluid Gearings (AREA)
FR7505941A 1974-02-28 1975-02-26 Hydrostatic pump and motor transmission - has closed loop ratio control sensitive to error magnitude Granted FR2262758A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US446658A US3901031A (en) 1974-02-28 1974-02-28 Hydrostatic transmission control system
US51131274A 1974-10-02 1974-10-02

Publications (2)

Publication Number Publication Date
FR2262758A1 true FR2262758A1 (en) 1975-09-26
FR2262758B1 FR2262758B1 (en, 2012) 1981-12-04

Family

ID=27034699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7505941A Granted FR2262758A1 (en) 1974-02-28 1975-02-26 Hydrostatic pump and motor transmission - has closed loop ratio control sensitive to error magnitude

Country Status (1)

Country Link
FR (1) FR2262758A1 (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2462625A1 (fr) * 1979-07-26 1981-02-13 Deere & Co Circuit electrique pour la commande du reglage d'un ensemble ou appareil, tel qu'une transmission hydrostatique, pouvant etre commande de part et d'autre d'un point zero

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2462625A1 (fr) * 1979-07-26 1981-02-13 Deere & Co Circuit electrique pour la commande du reglage d'un ensemble ou appareil, tel qu'une transmission hydrostatique, pouvant etre commande de part et d'autre d'un point zero

Also Published As

Publication number Publication date
FR2262758B1 (en, 2012) 1981-12-04

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Legal Events

Date Code Title Description
ST Notification of lapse