FR850662A - Improvements in roto-positive displacement pumps - Google Patents

Improvements in roto-positive displacement pumps

Info

Publication number
FR850662A
FR850662A FR850662DA FR850662A FR 850662 A FR850662 A FR 850662A FR 850662D A FR850662D A FR 850662DA FR 850662 A FR850662 A FR 850662A
Authority
FR
France
Prior art keywords
roto
positive displacement
displacement pumps
pumps
positive
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
Andre Dutrey
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 FR850662A publication Critical patent/FR850662A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01CROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C11/00Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type
    • F01C11/002Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type of similar working principle
    • 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
    • F04C9/00Oscillating-piston machines or pumps
    • F04C9/005Oscillating-piston machines or pumps the piston oscillating in the space, e.g. around a fixed point

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR850662D 1938-02-21 1939-02-21 Improvements in roto-positive displacement pumps Expired FR850662A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB850662X 1938-02-21

Publications (1)

Publication Number Publication Date
FR850662A true FR850662A (en) 1939-12-22

Family

ID=10575983

Family Applications (1)

Application Number Title Priority Date Filing Date
FR850662D Expired FR850662A (en) 1938-02-21 1939-02-21 Improvements in roto-positive displacement pumps

Country Status (1)

Country Link
FR (1) FR850662A (en)

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