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.
NEW ECONOMICAL ROTOR DESIGN
NEUES WIRTSCHAFTLICHES ROTORDESIGN
NOUVELLE CONCEPTION DE ROTOR ÉCONOMIQUE
2022-06-29
Patent
Electronic Resource
English
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