FR1566954A - - Google Patents

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Publication number
FR1566954A
FR1566954A FR1566954DA FR1566954A FR 1566954 A FR1566954 A FR 1566954A FR 1566954D A FR1566954D A FR 1566954DA FR 1566954 A FR1566954 A FR 1566954A
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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
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
Application granted granted Critical
Publication of FR1566954A publication Critical patent/FR1566954A/fr
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/10—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
    • F04C28/12—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves
    • F04C28/125—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves with sliding valves controlled by the use of fluid other than the working fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0007—Injection of a fluid in the working chamber for sealing, cooling and lubricating
    • F04C29/0014—Injection of a fluid in the working chamber for sealing, cooling and lubricating with control systems for the injection of the fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR1566954D 1968-05-22 1968-05-22 Expired FR1566954A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR152703 1968-05-22

Publications (1)

Publication Number Publication Date
FR1566954A true FR1566954A (fr) 1969-05-09

Family

ID=8650538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1566954D Expired FR1566954A (fr) 1968-05-22 1968-05-22

Country Status (1)

Country Link
FR (1) FR1566954A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2331830A1 (de) * 1972-06-30 1974-01-17 Stal Refrigeration Ab Schraubenkompressor
DE2542836A1 (de) * 1974-12-24 1976-07-01 Hokuetsu Kogyo Co Fluessigkeitsgekuehlter, umlaufender verdichter mit einer einrichtung zum einstellen der fluessigkeitsmenge und des gasvolumens
EP0203477A1 (fr) * 1985-05-20 1986-12-03 Hitachi, Ltd. Système d'injection de réfrigérant gazeux dans un circuit frigorifique comportant un compresseur à vis
US6276911B1 (en) * 1999-07-26 2001-08-21 Bitzer Kuehlmaschinenbau Gmbh Screw compressor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2331830A1 (de) * 1972-06-30 1974-01-17 Stal Refrigeration Ab Schraubenkompressor
DE2542836A1 (de) * 1974-12-24 1976-07-01 Hokuetsu Kogyo Co Fluessigkeitsgekuehlter, umlaufender verdichter mit einer einrichtung zum einstellen der fluessigkeitsmenge und des gasvolumens
EP0203477A1 (fr) * 1985-05-20 1986-12-03 Hitachi, Ltd. Système d'injection de réfrigérant gazeux dans un circuit frigorifique comportant un compresseur à vis
US4727725A (en) * 1985-05-20 1988-03-01 Hitachi, Ltd. Gas injection system for screw compressor
US6276911B1 (en) * 1999-07-26 2001-08-21 Bitzer Kuehlmaschinenbau Gmbh Screw compressor

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Legal Events

Date Code Title Description
ST Notification of lapse