FR2172738A5 - - Google Patents

Info

Publication number
FR2172738A5
FR2172738A5 FR7305684A FR7305684A FR2172738A5 FR 2172738 A5 FR2172738 A5 FR 2172738A5 FR 7305684 A FR7305684 A FR 7305684A FR 7305684 A FR7305684 A FR 7305684A FR 2172738 A5 FR2172738 A5 FR 2172738A5
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
FR7305684A
Other languages
French (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.)
Luft und Kaeltetechnik VEB
Original Assignee
Luft und Kaeltetechnik 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 Luft und Kaeltetechnik VEB filed Critical Luft und Kaeltetechnik VEB
Application granted granted Critical
Publication of FR2172738A5 publication Critical patent/FR2172738A5/fr
Expired 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
    • F04B25/00—Multi-stage pumps
    • F04B25/005—Multi-stage pumps with two cylinders
    • 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
    • F04B49/243—Bypassing by keeping open the inlet valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
FR7305684A 1972-02-16 1973-02-16 Expired FR2172738A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD16090472A DD98341A1 (de) 1972-02-16 1972-02-16

Publications (1)

Publication Number Publication Date
FR2172738A5 true FR2172738A5 (de) 1973-09-28

Family

ID=5485347

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7305684A Expired FR2172738A5 (de) 1972-02-16 1973-02-16

Country Status (6)

Country Link
CS (1) CS163555B1 (de)
DD (1) DD98341A1 (de)
DE (1) DE2239788A1 (de)
DK (1) DK131799C (de)
FR (1) FR2172738A5 (de)
NL (1) NL7300277A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2381983A1 (fr) * 1977-02-28 1978-09-22 Luft U Kaeltetechnik Veb K Disposition pour le recyclage continu de l'huile sur une machine frigorifique a plusieurs etages a compression par pistons alternatifs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2381983A1 (fr) * 1977-02-28 1978-09-22 Luft U Kaeltetechnik Veb K Disposition pour le recyclage continu de l'huile sur une machine frigorifique a plusieurs etages a compression par pistons alternatifs

Also Published As

Publication number Publication date
CS163555B1 (de) 1975-09-15
DE2239788A1 (de) 1973-08-23
NL7300277A (de) 1973-08-20
DD98341A1 (de) 1973-06-12
DK131799C (da) 1976-02-09
DK131799B (da) 1975-09-01

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Legal Events

Date Code Title Description
ST Notification of lapse