DD122272A1 - - Google Patents

Info

Publication number
DD122272A1
DD122272A1 DD18948475A DD18948475A DD122272A1 DD 122272 A1 DD122272 A1 DD 122272A1 DD 18948475 A DD18948475 A DD 18948475A DD 18948475 A DD18948475 A DD 18948475A DD 122272 A1 DD122272 A1 DD 122272A1
Authority
DD
German Democratic Republic
Application number
DD18948475A
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
Priority to DD18948475A priority Critical patent/DD122272A1/xx
Publication of DD122272A1 publication Critical patent/DD122272A1/xx
Priority to DE19762650571 priority patent/DE2650571A1/de
Priority to FR7634498A priority patent/FR2331699A1/fr
Priority to CS737476A priority patent/CS209645B1/cs
Priority to GB4787276A priority patent/GB1524600A/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
    • F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2066—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source
    • G05D16/2073—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source with a plurality of pressure sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
DD18948475A 1975-11-17 1975-11-17 DD122272A1 (xx)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DD18948475A DD122272A1 (xx) 1975-11-17 1975-11-17
DE19762650571 DE2650571A1 (de) 1975-11-17 1976-11-04 Verfahren und schaltungsanordnung zur zentralen druckstrombereitstellung fuer aus einer vielzahl von verbraucherkomplexen bestehende druckstromsysteme mit nichtdeterminierter druckstromanforderung
FR7634498A FR2331699A1 (fr) 1975-11-17 1976-11-16 Procede et montage pour l'alimentation d'une installation en fluide sous pression
CS737476A CS209645B1 (en) 1975-11-17 1976-11-16 Connection for central preparation of the pressure current for the systems with the pressure current
GB4787276A GB1524600A (en) 1975-11-17 1976-11-17 Method of and circuit arrangment for the central provision of pressure flow for a hydraulic system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD18948475A DD122272A1 (xx) 1975-11-17 1975-11-17

Publications (1)

Publication Number Publication Date
DD122272A1 true DD122272A1 (xx) 1976-09-20

Family

ID=5502400

Family Applications (1)

Application Number Title Priority Date Filing Date
DD18948475A DD122272A1 (xx) 1975-11-17 1975-11-17

Country Status (5)

Country Link
CS (1) CS209645B1 (xx)
DD (1) DD122272A1 (xx)
DE (1) DE2650571A1 (xx)
FR (1) FR2331699A1 (xx)
GB (1) GB1524600A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2158884A (en) * 1984-05-15 1985-11-20 Robert James Siddall Hydraulic drive system

Also Published As

Publication number Publication date
FR2331699A1 (fr) 1977-06-10
GB1524600A (en) 1978-09-13
FR2331699B3 (xx) 1979-07-27
DE2650571A1 (de) 1977-05-26
CS209645B1 (en) 1981-12-31

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