BR7505531A - Conjunto de controle compensador de pressao,para bomba de deslocamento variavel - Google Patents

Conjunto de controle compensador de pressao,para bomba de deslocamento variavel

Info

Publication number
BR7505531A
BR7505531A BR7505531*A BR7505531A BR7505531A BR 7505531 A BR7505531 A BR 7505531A BR 7505531 A BR7505531 A BR 7505531A BR 7505531 A BR7505531 A BR 7505531A
Authority
BR
Brazil
Prior art keywords
variable displacement
displacement pump
control set
pressure compensator
compensator control
Prior art date
Application number
BR7505531*A
Other languages
English (en)
Inventor
T Malott
Original Assignee
Parker Hannifin 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 Parker Hannifin Corp filed Critical Parker Hannifin Corp
Publication of BR7505531A publication Critical patent/BR7505531A/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/05—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive
    • 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
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/25—Pressure control functions
    • F15B2211/253—Pressure margin control, e.g. pump pressure in relation to load pressure
BR7505531*A 1974-09-05 1975-08-28 Conjunto de controle compensador de pressao,para bomba de deslocamento variavel BR7505531A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/503,399 US3941513A (en) 1974-09-05 1974-09-05 Variable displacement pump control assembly

Publications (1)

Publication Number Publication Date
BR7505531A true BR7505531A (pt) 1976-08-03

Family

ID=24001929

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7505531*A BR7505531A (pt) 1974-09-05 1975-08-28 Conjunto de controle compensador de pressao,para bomba de deslocamento variavel

Country Status (8)

Country Link
US (1) US3941513A (pt)
JP (1) JPS5152504A (pt)
BR (1) BR7505531A (pt)
CA (1) CA1033988A (pt)
DE (1) DE2537957A1 (pt)
FR (1) FR2284050A1 (pt)
GB (1) GB1506619A (pt)
IT (1) IT1044040B (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142841A (en) * 1977-08-31 1979-03-06 Parker-Hannifin Corporation Variable displacement pump control
US4162874A (en) * 1977-11-07 1979-07-31 Parker-Hannifin Corporation Horsepower summation control for variable displacement
US4366672A (en) * 1979-02-02 1983-01-04 Parker-Hannifin Corporation Pilot operated hydraulic device
US4332531A (en) * 1980-01-28 1982-06-01 Parker-Hannifin Corporation Variable displacement pump with torque limiting control
DE8335902U1 (pt) * 1983-12-14 1987-06-04 Brueninghaus Hydraulik Gmbh, 7240 Horb, De
KR0120281B1 (ko) * 1994-07-29 1997-10-22 석진철 로드센싱시스템의 펌프입력마력 및 유량제어장치
US7644646B1 (en) 2007-06-13 2010-01-12 Sauer-Danfoss, Inc. Three position servo system to control the displacement of a hydraulic motor
US7730826B2 (en) * 2007-07-31 2010-06-08 Sauer-Danfoss Inc. Swashplate type axial piston device having apparatus for providing three operating displacements

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2845876A (en) * 1954-03-01 1958-08-05 Vickers Inc Power transmission
US3067693A (en) * 1958-12-24 1962-12-11 United Aircraft Corp Control means for variable delivery pump
US3165068A (en) * 1960-06-27 1965-01-12 American Brake Shoe Co Fluid power apparatus
FR1361407A (fr) * 1963-04-03 1964-05-22 Système de commande de la pression d'un fluide, notamment pour pompes et moteurs hydrauliques
US3512178A (en) * 1967-04-24 1970-05-12 Parker Hannifin Corp Axial piston pump
SE323286B (pt) * 1967-12-04 1970-04-27 Sperry Rand Corp
US3601504A (en) * 1969-09-22 1971-08-24 Allis Chalmers Mfg Co Compensator and pressure limiting device
BE757640A (fr) * 1969-10-16 1971-04-16 Borg Warner Systemes hydrauliques, notamment pour la regulation d'une pompea debit variable
US3732041A (en) * 1971-06-10 1973-05-08 Sperry Rand Corp Power transmission
US3738779A (en) * 1971-06-28 1973-06-12 Caterpillar Tractor Co Variable displacement pump having pressure compensation control means
US3750405A (en) * 1971-08-16 1973-08-07 Int Harvester Co Closed center hydraulic system
DE2357148A1 (de) * 1972-11-16 1974-05-22 Sperry Rand Ltd Hydraulische schaltungsanordnung
US3820920A (en) * 1972-12-18 1974-06-28 Sperry Rand Corp Power transmission
US3856436A (en) * 1972-12-18 1974-12-24 Sperry Rand Corp Power transmission
US3864063A (en) * 1973-09-11 1975-02-04 Cessna Aircraft Co Automatic torque limitation control

Also Published As

Publication number Publication date
FR2284050B1 (pt) 1981-12-24
GB1506619A (en) 1978-04-05
IT1044040B (it) 1980-02-29
US3941513A (en) 1976-03-02
DE2537957A1 (de) 1976-03-18
FR2284050A1 (fr) 1976-04-02
CA1033988A (en) 1978-07-04
JPS5152504A (pt) 1976-05-10
AU8411175A (en) 1977-02-24

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