FR449196A - Ventilateur de root - Google Patents

Ventilateur de root

Info

Publication number
FR449196A
FR449196A FR449196DA FR449196A FR 449196 A FR449196 A FR 449196A FR 449196D A FR449196D A FR 449196DA FR 449196 A FR449196 A FR 449196A
Authority
FR
France
Prior art keywords
root fan
root
fan
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
Aleksander Jedrusik
Stanislaw Czajkowski
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 FR449196A publication Critical patent/FR449196A/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
    • 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
    • F04C18/123—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 or approximately radially from the rotor body extending tooth-like elements, co-operating with recesses in the other rotor, e.g. one tooth

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR449196D 1912-10-09 1912-10-09 Ventilateur de root Expired FR449196A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR449196T 1912-10-09

Publications (1)

Publication Number Publication Date
FR449196A true FR449196A (fr) 1913-02-19

Family

ID=1489744

Family Applications (1)

Application Number Title Priority Date Filing Date
FR449196D Expired FR449196A (fr) 1912-10-09 1912-10-09 Ventilateur de root

Country Status (1)

Country Link
FR (1) FR449196A (fr)

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