Air circulating fan

Details Air circulating fan Air circulating fan

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/32 (2006.01) F04D 29/38 (2006.01) F04D 29/52 (2006.01) F24F 7/007 (2006.01)

Patent

CA 2322572

In a fan for circulating an air stream in an air-treating environment, an improved fan blade structure designed to optimize airflow along the rotational axis of the fan blade within an optimized low decibel sound range and at preselected revolutions per minute.

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