The present invention concerns a new rotor design comprising 1) at least one rectangular piece (6) having i) a length (L) between 2 and 8 times its width (W);ii) an opening (7) at its center; iii) a central or hub portion (8) surrounding the center opening (7), having a substantially flat surface; and i) two similar, but oppositely pitched, blade portions (9) on either side of the central portion; 2) at least one assembly part, and 3) at least one spacer; and its use in a wind turbine, a boat propeller, a gyrocopter propeller, a mixing impeller or an airflow system fan which can be a comfort fan such as a ceiling fan, a ducted ventilation or extraction fan, an anti-frost protection fan, etc.


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    Title :

    NEW ECONOMICAL ROTOR DESIGN


    Additional title:

    NEUES WIRTSCHAFTLICHES ROTORDESIGN
    NOUVELLE CONCEPTION DE ROTOR ÉCONOMIQUE


    Contributors:

    Publication date :

    2022-06-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / B64C AEROPLANES , Flugzeuge / F03D Windkraftmaschinen , WIND MOTORS



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