DK156519C - CONTROL DEVICE FOR A HYDRAULIC DRIVE CONSUMER - Google Patents

CONTROL DEVICE FOR A HYDRAULIC DRIVE CONSUMER

Info

Publication number
DK156519C
DK156519C DK449379A DK449379A DK156519C DK 156519 C DK156519 C DK 156519C DK 449379 A DK449379 A DK 449379A DK 449379 A DK449379 A DK 449379A DK 156519 C DK156519 C DK 156519C
Authority
DK
Denmark
Prior art keywords
control device
hydraulic drive
drive consumer
consumer
hydraulic
Prior art date
Application number
DK449379A
Other languages
Danish (da)
Other versions
DK449379A (en
DK156519B (en
Inventor
Jan Zangenberg
Original Assignee
Danfoss As
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 Danfoss As filed Critical Danfoss As
Publication of DK449379A publication Critical patent/DK449379A/en
Publication of DK156519B publication Critical patent/DK156519B/en
Application granted granted Critical
Publication of DK156519C publication Critical patent/DK156519C/en

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
    • 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
    • F04B49/22—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 by means of valves
    • F04B49/24—Bypassing
    • 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
    • F15B11/055—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 by adjusting the pump output or bypass
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
    • F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
DK449379A 1978-11-22 1979-10-25 CONTROL DEVICE FOR A HYDRAULIC DRIVE CONSUMER DK156519C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2850526 1978-11-22
DE19782850526 DE2850526A1 (en) 1978-11-22 1978-11-22 Control system for hydraulic actuator - has variable-delivery pump and valve connecting pump to drain in mid-position of actuator control

Publications (3)

Publication Number Publication Date
DK449379A DK449379A (en) 1980-05-23
DK156519B DK156519B (en) 1989-09-04
DK156519C true DK156519C (en) 1990-02-12

Family

ID=6055266

Family Applications (1)

Application Number Title Priority Date Filing Date
DK449379A DK156519C (en) 1978-11-22 1979-10-25 CONTROL DEVICE FOR A HYDRAULIC DRIVE CONSUMER

Country Status (2)

Country Link
DE (1) DE2850526A1 (en)
DK (1) DK156519C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232695C2 (en) * 1982-09-02 1984-08-16 Hydromatik GmbH, 7915 Elchingen Capacity control device for a hydraulic pump
DE3545019A1 (en) * 1985-12-19 1987-07-02 Voith Gmbh J M High-pressure pump with flushing device
DE3708492A1 (en) * 1987-03-16 1988-09-29 Rexroth Mannesmann Gmbh Regulating device for a hydraulic system
DE3926354A1 (en) * 1989-08-09 1991-02-14 Rexroth Mannesmann Gmbh PURGE VALVE
IT1280908B1 (en) * 1995-08-11 1998-02-11 Dayco Europe Spa POWER STEERING SYSTEM FOR A VEHICLE

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1188948B (en) * 1960-07-16 1965-03-11 Metallwerk Glockerau G M B H Working fluid quantity control device for hydrostatic pumps and motors
DE1453478A1 (en) * 1962-11-16 1969-02-13 Deere & Co Valve for the automatic control of piston pumps, especially radial piston pumps
GB1126873A (en) * 1964-09-22 1968-09-11 Sperry Rand Corp Improvements in hydraulic supply and control systems
DE2349124C2 (en) * 1973-09-29 1985-09-05 Mannesmann Rexroth GmbH, 8770 Lohr Control device for a hydraulic variable displacement pump working in storage mode

Also Published As

Publication number Publication date
DK449379A (en) 1980-05-23
DK156519B (en) 1989-09-04
DE2850526A1 (en) 1980-05-29

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Legal Events

Date Code Title Description
PBP Patent lapsed