FR473144A - Improvements in the construction of electric fans - Google Patents

Improvements in the construction of electric fans

Info

Publication number
FR473144A
FR473144A FR473144DA FR473144A FR 473144 A FR473144 A FR 473144A FR 473144D A FR473144D A FR 473144DA FR 473144 A FR473144 A FR 473144A
Authority
FR
France
Prior art keywords
construction
electric fans
fans
electric
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
Sidney George Leach
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 FR473144A publication Critical patent/FR473144A/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
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
    • F04D25/105—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air by changing rotor axis direction, e.g. oscillating fans

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR473144D 1913-10-02 1914-06-08 Improvements in the construction of electric fans Expired FR473144A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB473144X 1913-10-02

Publications (1)

Publication Number Publication Date
FR473144A true FR473144A (en) 1914-12-31

Family

ID=1511247

Family Applications (1)

Application Number Title Priority Date Filing Date
FR473144D Expired FR473144A (en) 1913-10-02 1914-06-08 Improvements in the construction of electric fans

Country Status (1)

Country Link
FR (1) FR473144A (en)

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