JPS4948917B1 - - Google Patents

Info

Publication number
JPS4948917B1
JPS4948917B1 JP45101389A JP10138970A JPS4948917B1 JP S4948917 B1 JPS4948917 B1 JP S4948917B1 JP 45101389 A JP45101389 A JP 45101389A JP 10138970 A JP10138970 A JP 10138970A JP S4948917 B1 JPS4948917 B1 JP S4948917B1
Authority
JP
Japan
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.)
Pending
Application number
JP45101389A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4948917B1 publication Critical patent/JPS4948917B1/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/14—Control of fluid pressure with auxiliary non-electric power
    • G05D16/16—Control of fluid pressure with auxiliary non-electric power derived from the controlled fluid
    • G05D16/166—Control of fluid pressure with auxiliary non-electric power derived from the controlled fluid using pistons within the main valve
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/10—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor in which the servomotor position is a function of the pressure also pressure regulators as operating means for such systems, the device itself may be a position indicating system
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Fluid Gearings (AREA)
  • Control Of Fluid Pressure (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Hydraulic Motors (AREA)
JP45101389A 1970-06-27 1970-11-17 Pending JPS4948917B1 (Direct)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702031850 DE2031850A1 (de) 1970-06-27 1970-06-27 Druckregler

Publications (1)

Publication Number Publication Date
JPS4948917B1 true JPS4948917B1 (Direct) 1974-12-24

Family

ID=5775130

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45101389A Pending JPS4948917B1 (Direct) 1970-06-27 1970-11-17

Country Status (5)

Country Link
JP (1) JPS4948917B1 (Direct)
CH (1) CH518452A (Direct)
DE (1) DE2031850A1 (Direct)
FR (1) FR2099958A5 (Direct)
GB (1) GB1284691A (Direct)

Also Published As

Publication number Publication date
GB1284691A (en) 1972-08-09
FR2099958A5 (Direct) 1972-03-17
DE2031850A1 (de) 1972-01-05
CH518452A (de) 1972-01-31

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