Patent ID: 7572111
Filing Date: 2009-08-11
Classification: F04D,H02K

Abstract:
1. A rotating assembly for an electric fan including a motor having a rotating shaft with a plurality of fan blades, the rotating assembly comprising: a rotating member for mounting on an end of the rotating shaft, and separate from the fan blades and on the opposite side from the motor, having a protrusion coaxially extended oppositely the rotating shaft, and a generating coil formed around the protrusion; a substantially stationary magnetic mechanism formed around an end of the protrusion and including at least one pair of magnetic poles on its inner surface opposing and spaced from the coil, and with a counterweight formed externally; and a load radially extended from the protrusion, having a plurality of light emitting elements, a circuit electrically connected to both the magnetic poles and the coil, and a controller electrically connected to the circuit for controlling an activation of the light emitting elements; wherein when activated the electric fan will rotate the fan blades, the rotating member, the load, and the coil which will generate an induced electric current on the coil and supply current to the circuit, the controller, and the light emitting elements to emit light.