High efficiency ceiling fan

Details High efficiency ceiling fan High efficiency ceiling fan

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/38 (2006.01) F04D 25/08 (2006.01)

Patent

CA 2435157

Ceiling fan energy consumption efficiency is enhanced with fan blades that have an angle attack that decreases from root end to tip end at higher rates of decrease nearer their tip ends than at their root ends. Air flow distribution is enhanced with at least a portion of the blades having a dihedral that continuously increases.

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