FR1254851A - Method for increasing the volumetric efficiency of a rotary piston pump whose rotors unwind one inside the other like gears - Google Patents

Method for increasing the volumetric efficiency of a rotary piston pump whose rotors unwind one inside the other like gears

Info

Publication number
FR1254851A
FR1254851A FR825330A FR825330A FR1254851A FR 1254851 A FR1254851 A FR 1254851A FR 825330 A FR825330 A FR 825330A FR 825330 A FR825330 A FR 825330A FR 1254851 A FR1254851 A FR 1254851A
Authority
FR
France
Prior art keywords
unwind
gears
increasing
piston pump
rotary piston
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
FR825330A
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.)
Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
Original Assignee
Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
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 Schweizerische Lokomotiv und Maschinenfabrik AG (SLM) filed Critical Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
Priority to FR825330A priority Critical patent/FR1254851A/en
Application granted granted Critical
Publication of FR1254851A publication Critical patent/FR1254851A/en
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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR825330A 1960-04-26 1960-04-26 Method for increasing the volumetric efficiency of a rotary piston pump whose rotors unwind one inside the other like gears Expired FR1254851A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR825330A FR1254851A (en) 1960-04-26 1960-04-26 Method for increasing the volumetric efficiency of a rotary piston pump whose rotors unwind one inside the other like gears

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR825330A FR1254851A (en) 1960-04-26 1960-04-26 Method for increasing the volumetric efficiency of a rotary piston pump whose rotors unwind one inside the other like gears

Publications (1)

Publication Number Publication Date
FR1254851A true FR1254851A (en) 1961-02-24

Family

ID=8730061

Family Applications (1)

Application Number Title Priority Date Filing Date
FR825330A Expired FR1254851A (en) 1960-04-26 1960-04-26 Method for increasing the volumetric efficiency of a rotary piston pump whose rotors unwind one inside the other like gears

Country Status (1)

Country Link
FR (1) FR1254851A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575535A (en) * 1969-04-21 1971-04-20 Frederick H Bickar Additive proportioning, positive displacement, pumplike device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575535A (en) * 1969-04-21 1971-04-20 Frederick H Bickar Additive proportioning, positive displacement, pumplike device

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