FR937748A - Improvements to pumping devices - Google Patents

Improvements to pumping devices

Info

Publication number
FR937748A
FR937748A FR937748DA FR937748A FR 937748 A FR937748 A FR 937748A FR 937748D A FR937748D A FR 937748DA FR 937748 A FR937748 A FR 937748A
Authority
FR
France
Prior art keywords
pumping devices
pumping
devices
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
Lagercrantz
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 FR937748A publication Critical patent/FR937748A/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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/04—Pumps having electric drive
FR937748D 1945-03-15 1946-10-11 Improvements to pumping devices Expired FR937748A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US937748XA 1945-03-15 1945-03-15

Publications (1)

Publication Number Publication Date
FR937748A true FR937748A (en) 1948-08-25

Family

ID=22240629

Family Applications (1)

Application Number Title Priority Date Filing Date
FR937748D Expired FR937748A (en) 1945-03-15 1946-10-11 Improvements to pumping devices

Country Status (1)

Country Link
FR (1) FR937748A (en)

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