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FR386773A - Perfectionnements aux dispositifs de pompe rotative à vide - Google Patents

Perfectionnements aux dispositifs de pompe rotative à vide

Info

Publication number
FR386773A
FR386773A FR386773DA FR386773A FR 386773 A FR386773 A FR 386773A FR 386773D A FR386773D A FR 386773DA FR 386773 A FR386773 A FR 386773A
Authority
FR
France
Prior art keywords
vacuum pump
rotary vacuum
pump devices
devices
rotary
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
English (en)
Inventor
Reinold Berrenberg
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR386773A publication Critical patent/FR386773A/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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR386773D 1908-01-31 1908-01-31 Perfectionnements aux dispositifs de pompe rotative à vide Expired FR386773A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR386773T 1908-01-31

Publications (1)

Publication Number Publication Date
FR386773A true FR386773A (fr) 1908-06-22

Family

ID=1432561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR386773D Expired FR386773A (fr) 1908-01-31 1908-01-31 Perfectionnements aux dispositifs de pompe rotative à vide

Country Status (1)

Country Link
FR (1) FR386773A (fr)

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