FR614514A - Improvements to fans and other similar devices - Google Patents

Improvements to fans and other similar devices

Info

Publication number
FR614514A
FR614514A FR614514DA FR614514A FR 614514 A FR614514 A FR 614514A FR 614514D A FR614514D A FR 614514DA FR 614514 A FR614514 A FR 614514A
Authority
FR
France
Prior art keywords
fans
similar devices
similar
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
Frederick William Berk
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 FR614514A publication Critical patent/FR614514A/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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/126—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR614514D 1925-05-20 1926-04-14 Improvements to fans and other similar devices Expired FR614514A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB614514X 1925-05-20

Publications (1)

Publication Number Publication Date
FR614514A true FR614514A (en) 1926-12-16

Family

ID=10487056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR614514D Expired FR614514A (en) 1925-05-20 1926-04-14 Improvements to fans and other similar devices

Country Status (1)

Country Link
FR (1) FR614514A (en)

Similar Documents

Publication Publication Date Title
FR606812A (en) Improvements made to grinding rolls and other similar devices
FR614514A (en) Improvements to fans and other similar devices
FR618593A (en) Improvements to fans and similar devices
FR622723A (en) Improvements to piezoelectric devices
FR606056A (en) Improvements to mixers and similar devices
FR608869A (en) Improvements to dynamotors and similar devices
FR605123A (en) Improvements to refrigeration devices
FR624939A (en) Improvements to gramophones and similar devices
FR657859A (en) Improvements to pump-turbines and other similar devices
FR31067E (en) Improvements to garters and the like
FR605089A (en) Improvements to elastic laces
FR592545A (en) Improvements to showcases
FR31776E (en) Improvements to thermo-ionic devices
FR716395A (en) Improvements to urethroscopes and other similar devices
FR595912A (en) Improvements to speaker phones and other similar devices
FR615962A (en) Improvements to advertising devices
FR599939A (en) Improvements to advertising or advertising devices
FR592774A (en) Improvements to integrating devices
FR563359A (en) Improvements to pasteurizing and similar devices
FR594154A (en) Improvements to electromagnetic devices
FR606706A (en) Improvements to cinematographic devices
FR594467A (en) Improvements to cinematographic devices
FR593169A (en) Improvements to cinematographic devices
FR592955A (en) Improvements to cinematographic devices
FR31467E (en) Improvements to cinematographic devices