FR693382A - Improvements to rotary pumps, compressors and similar machines - Google Patents

Improvements to rotary pumps, compressors and similar machines

Info

Publication number
FR693382A
FR693382A FR693382DA FR693382A FR 693382 A FR693382 A FR 693382A FR 693382D A FR693382D A FR 693382DA FR 693382 A FR693382 A FR 693382A
Authority
FR
France
Prior art keywords
compressors
rotary pumps
similar machines
machines
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
Thomas Winter Nichols
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 FR693382A publication Critical patent/FR693382A/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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
FR693382D 1930-04-04 1930-04-04 Improvements to rotary pumps, compressors and similar machines Expired FR693382A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR693382T 1930-04-04

Publications (1)

Publication Number Publication Date
FR693382A true FR693382A (en) 1930-11-19

Family

ID=9041009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR693382D Expired FR693382A (en) 1930-04-04 1930-04-04 Improvements to rotary pumps, compressors and similar machines

Country Status (1)

Country Link
FR (1) FR693382A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1914444C3 (en) * 1969-03-21 1973-06-28 Zahnradfabrik Friednchshafen AG, 7990 Friednchshafen Gear pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1914444C3 (en) * 1969-03-21 1973-06-28 Zahnradfabrik Friednchshafen AG, 7990 Friednchshafen Gear pump

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