CEILING FAN Russian patent published in 1994 - IPC

Abstract RU 2007622 C1

FIELD: fan engineering. SUBSTANCE: fan has hub, vanes secured to the hub, and drive. Each vane is provided with metal rib having sharp edge and is secured to its periphery part. The drive is made of a high- frequency voltage converter whose negative pole is electrically connected to ribs and positive pole is grounded. EFFECT: enhanced efficiency. 1 dwg

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RU 2 007 622 C1

Authors

Kolpakchiev Igor' Nikolaevich

Dates

1994-02-15—Published

1991-01-21—Filed