Self balancing fan

Details Self balancing fan Self balancing fan

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 25/08 (2006.01) F16F 15/12 (2006.01)

Patent

CA 2587293

A fan (10) is disclosed having an electric motor (13) which rotatably drives an annular array of blade irons (14) each having a blade (15) mounted thereto. Each blade iron has a motor mounting portion (21) configured to be coupled with the electric motor for rotation. The motor mounting portion has an arcuate, vertical wall (26) and a horizontal flange (27). The horizontal flange has a first mounting hole (28) and an oblong second mounting hole (29) . A first mounting screw (31) having a first bushing or bearing (32) thereon passes through each first mounting hole and into a threaded mounting hole (34) in the motor (13). Similarly a second mounting screw (35) having a second bushing or bearing (36) thereon passes through each second mounting hole and into a threaded mounting hole (37) in the motor. With this configuration the blade iron can pivot relative to the motor.

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