BE490094A - - Google Patents

Info

Publication number
BE490094A
BE490094A BE490094DA BE490094A BE 490094 A BE490094 A BE 490094A BE 490094D A BE490094D A BE 490094DA BE 490094 A BE490094 A BE 490094A
Authority
BE
Belgium
Prior art keywords
assembly
propeller
base
vanes
fan
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE490094A publication Critical patent/BE490094A/fr

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/10Units 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/10Units 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
    • F04D25/105Units 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
BE490094D BE490094A (de)

Publications (1)

Publication Number Publication Date
BE490094A true BE490094A (de)

Family

ID=134882

Family Applications (1)

Application Number Title Priority Date Filing Date
BE490094D BE490094A (de)

Country Status (1)

Country Link
BE (1) BE490094A (de)

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