FR2331699B3 - - Google Patents

Info

Publication number
FR2331699B3
FR2331699B3 FR7634498A FR7634498A FR2331699B3 FR 2331699 B3 FR2331699 B3 FR 2331699B3 FR 7634498 A FR7634498 A FR 7634498A FR 7634498 A FR7634498 A FR 7634498A FR 2331699 B3 FR2331699 B3 FR 2331699B3
Authority
FR
France
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.)
Expired
Application number
FR7634498A
Other languages
French (fr)
Other versions
FR2331699A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Werkzeugmaschinenkombinat 7 Oktober VEB
Original Assignee
Werkzeugmaschinenkombinat 7 Oktober VEB
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 Werkzeugmaschinenkombinat 7 Oktober VEB filed Critical Werkzeugmaschinenkombinat 7 Oktober VEB
Publication of FR2331699A1 publication Critical patent/FR2331699A1/fr
Application granted granted Critical
Publication of FR2331699B3 publication Critical patent/FR2331699B3/fr
Granted legal-status Critical Current

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)
FR7634498A 1975-11-17 1976-11-16 Procede et montage pour l'alimentation d'une installation en fluide sous pression Granted FR2331699A1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2331699A1 FR2331699A1 (fr) 1977-06-10
FR2331699B3 true FR2331699B3 (ja) 1979-07-27

Family

ID=5502400

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7634498A Granted FR2331699A1 (fr) 1975-11-17 1976-11-16 Procede et montage pour l'alimentation d'une installation en fluide sous pression

Country Status (5)

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

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
DD122272A1 (ja) 1976-09-20
CS209645B1 (en) 1981-12-31
GB1524600A (en) 1978-09-13
DE2650571A1 (de) 1977-05-26

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Legal Events

Date Code Title Description
ST Notification of lapse