FR1143285A - Perfectionnements aux ventilateurs - Google Patents

Perfectionnements aux ventilateurs

Info

Publication number
FR1143285A
FR1143285A FR1143285DA FR1143285A FR 1143285 A FR1143285 A FR 1143285A FR 1143285D A FR1143285D A FR 1143285DA FR 1143285 A FR1143285 A FR 1143285A
Authority
FR
France
Prior art keywords
fan
fan improvements
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
Pierre Ferrand
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 FR1143285A publication Critical patent/FR1143285A/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
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR1143285D 1955-12-21 1955-12-21 Perfectionnements aux ventilateurs Expired FR1143285A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1143285T 1955-12-21

Publications (1)

Publication Number Publication Date
FR1143285A true FR1143285A (fr) 1957-09-27

Family

ID=9643735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1143285D Expired FR1143285A (fr) 1955-12-21 1955-12-21 Perfectionnements aux ventilateurs

Country Status (1)

Country Link
FR (1) FR1143285A (fr)

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