CA971822A - Controls for variable pumps or motors - Google Patents

Controls for variable pumps or motors

Info

Publication number
CA971822A
CA971822A CA147,938A CA147938A CA971822A CA 971822 A CA971822 A CA 971822A CA 147938 A CA147938 A CA 147938A CA 971822 A CA971822 A CA 971822A
Authority
CA
Canada
Prior art keywords
motors
controls
variable pumps
pumps
variable
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
CA147,938A
Other versions
CA147938S (en
Inventor
Richard J. Ifield
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.)
Advanced Products Pty Ltd
Original Assignee
Advanced Products Pty Ltd
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 Advanced Products Pty Ltd filed Critical Advanced Products Pty Ltd
Application granted granted Critical
Publication of CA971822A publication Critical patent/CA971822A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/002—Hydraulic systems to change the pump delivery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/10—Control of working-fluid admission or discharge peculiar thereto
    • F01B3/103—Control of working-fluid admission or discharge peculiar thereto for machines with rotary cylinder block
    • F01B3/106—Control of working-fluid admission or discharge peculiar thereto for machines with rotary cylinder block by changing the inclination of the swash plate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery pressure
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Fluid Gearings (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Reciprocating Pumps (AREA)
CA147,938A 1971-07-28 1972-07-24 Controls for variable pumps or motors Expired CA971822A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPA569771 1971-07-28

Publications (1)

Publication Number Publication Date
CA971822A true CA971822A (en) 1975-07-29

Family

ID=3764802

Family Applications (1)

Application Number Title Priority Date Filing Date
CA147,938A Expired CA971822A (en) 1971-07-28 1972-07-24 Controls for variable pumps or motors

Country Status (8)

Country Link
US (1) US3847061A (en)
JP (1) JPS4835402A (en)
CA (1) CA971822A (en)
DE (1) DE2236888C3 (en)
FR (1) FR2147740A5 (en)
GB (1) GB1401798A (en)
IT (1) IT963300B (en)
SE (1) SE383556B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996743A (en) * 1975-02-20 1976-12-14 Caterpillar Tractor Co. Underspeed actuator with part throttle control
US3952514A (en) * 1975-02-20 1976-04-27 Caterpillar Tractor Co. Underspeed actuator for hydrostatic transmission
DE3321443A1 (en) * 1983-06-11 1984-12-13 Losenhausen Maschinenbau AG, 4000 Düsseldorf VIBRATION ROLLER WITH POWER LIMITATION DEVICE
JP3517817B2 (en) * 1997-02-24 2004-04-12 新キャタピラー三菱株式会社 Hydraulic pilot circuit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017750A (en) * 1959-07-13 1962-01-23 Dowty Hydraulic Units Ltd Hydraulic apparatus
US3163115A (en) * 1960-03-08 1964-12-29 American Brake Shoe Co Horsepower limiting devices
US3199286A (en) * 1962-05-16 1965-08-10 Gar Wood Ind Inc Hydrostatic drive
US3127745A (en) * 1962-07-05 1964-04-07 New York Air Brake Co Hydrostatic transmission
US3252426A (en) * 1962-08-10 1966-05-24 New York Air Brake Co Hydraulic device
US3164960A (en) * 1963-09-03 1965-01-12 New York Air Brake Co Hydrostatic transmission
JPS4527170Y1 (en) * 1965-08-06 1970-10-21
US3384027A (en) * 1966-08-03 1968-05-21 Gen Signal Corp Hydraulic starting system and valves therefor
DE1807172A1 (en) * 1968-11-06 1970-06-11 Bosch Gmbh Robert Device for the electro-hydraulic remote control of hydraulic directional control valves

Also Published As

Publication number Publication date
SE383556B (en) 1976-03-15
DE2236888C3 (en) 1978-04-13
FR2147740A5 (en) 1973-03-09
GB1401798A (en) 1975-07-30
US3847061A (en) 1974-11-12
JPS4835402A (en) 1973-05-24
IT963300B (en) 1974-01-10
DE2236888B2 (en) 1977-08-18
DE2236888A1 (en) 1973-02-08

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