FR713411A - Improvements to compressors and rotary vacuum pumps - Google Patents

Improvements to compressors and rotary vacuum pumps

Info

Publication number
FR713411A
FR713411A FR713411DA FR713411A FR 713411 A FR713411 A FR 713411A FR 713411D A FR713411D A FR 713411DA FR 713411 A FR713411 A FR 713411A
Authority
FR
France
Prior art keywords
compressors
vacuum pumps
rotary vacuum
rotary
pumps
Prior art date
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
Other languages
French (fr)
Inventor
William Herbert Sollors
Ronald Charles Cecil Green
Henry William Richard Tarrant
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 FR713411A publication Critical patent/FR713411A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/10Control 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/10Control 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
    • F04C28/14Control 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 rotating valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR713411D 1930-03-18 1931-03-17 Improvements to compressors and rotary vacuum pumps Expired FR713411A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB713411X 1930-03-18

Publications (1)

Publication Number Publication Date
FR713411A true FR713411A (en) 1931-10-27

Family

ID=10494468

Family Applications (1)

Application Number Title Priority Date Filing Date
FR713411D Expired FR713411A (en) 1930-03-18 1931-03-17 Improvements to compressors and rotary vacuum pumps

Country Status (1)

Country Link
FR (1) FR713411A (en)

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