SE328775B - - Google Patents

Info

Publication number
SE328775B
SE328775B SE12425/67A SE1242567A SE328775B SE 328775 B SE328775 B SE 328775B SE 12425/67 A SE12425/67 A SE 12425/67A SE 1242567 A SE1242567 A SE 1242567A SE 328775 B SE328775 B SE 328775B
Authority
SE
Sweden
Prior art keywords
ports
spool
operating
microswitch
sept
Prior art date
Application number
SE12425/67A
Other languages
English (en)
Inventor
E Born
Original Assignee
Abex 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
Application filed by Abex Corp filed Critical Abex Corp
Publication of SE328775B publication Critical patent/SE328775B/xx

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
    • F16H61/431—Pump capacity control by electro-hydraulic control means, e.g. using solenoid valves
    • 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
    • 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
    • F04B49/06—Control using electricity
    • 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
    • F16H61/4192—Detecting malfunction or potential malfunction, e.g. fail safe
    • 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)
  • Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Servomotors (AREA)
  • Fluid-Pressure Circuits (AREA)
SE12425/67A 1966-09-09 1967-09-08 SE328775B (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US578331A US3381624A (en) 1966-09-09 1966-09-09 Fail-safe control for hydraulic cross-center pump

Publications (1)

Publication Number Publication Date
SE328775B true SE328775B (ja) 1970-09-21

Family

ID=24312412

Family Applications (2)

Application Number Title Priority Date Filing Date
SE04917/70A SE355641B (ja) 1966-09-09 1967-09-08
SE12425/67A SE328775B (ja) 1966-09-09 1967-09-08

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE04917/70A SE355641B (ja) 1966-09-09 1967-09-08

Country Status (5)

Country Link
US (1) US3381624A (ja)
BE (1) BE702376A (ja)
DE (1) DE1653358C3 (ja)
GB (1) GB1193339A (ja)
SE (2) SE355641B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3495536A (en) * 1968-05-14 1970-02-17 Rex Chainbelt Inc Controls for fluid translating apparatus
US3561523A (en) * 1968-05-27 1971-02-09 Tibor Miklos Vertesi Mold level control system
US3733963A (en) 1971-03-29 1973-05-22 Abex Corp Method and apparatus for controlling displacement of a variable volume pump or motor
DE2900755A1 (de) * 1978-01-16 1979-07-19 Moog Inc Hydraulische vorrichtung
US4216699A (en) * 1978-09-05 1980-08-12 Abex Corporation Electrohydraulic control for an axial piston pump
DE3468488D1 (en) * 1983-07-29 1988-02-11 Hitachi Construction Machinery Failure detection system for hydraulic pumps
DE3915904A1 (de) * 1989-05-16 1990-11-29 Hydromatik Gmbh Hydraulische axialkolbenmaschine in schiefscheibenbauart mit einer nachfuehreinrichtung fuer den kaefig des segmentwaelzlagers der schiefscheibe
US5076145A (en) * 1990-06-04 1991-12-31 Hagglunds Denison Corporation Axial piston pump having a blocking valve in a manually controlled valve plate
US20140069092A1 (en) * 2012-09-07 2014-03-13 Caterpillar, Inc. Traction Control System for a Hydrostatic Drive

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2741088A (en) * 1950-09-29 1956-04-10 Rolls Royce Flow control means for internal-combustion engine fuel systems
US3302585A (en) * 1962-09-24 1967-02-07 Abex Corp Control for variable displacement pump or motor
US3186310A (en) * 1963-02-18 1965-06-01 American Brake Shoe Co Volume control for variable volume fluid pressure translating device
GB1060772A (en) * 1964-01-24 1967-03-08 Vickers Ltd Improvements in or relating to control devices for hydraulic pumps and motors

Also Published As

Publication number Publication date
BE702376A (ja) 1968-01-15
GB1193339A (en) 1970-05-28
SE355641B (ja) 1973-04-30
DE1653358B2 (de) 1973-04-26
DE1653358C3 (de) 1973-11-15
US3381624A (en) 1968-05-07
DE1653358A1 (de) 1971-04-29

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