Integral refrigerator motor fan blades

Details Integral refrigerator motor fan blades Integral refrigerator motor fan blades

H - Electricity

02

K

H02K 9/06 (2006.01) F04D 25/08 (2006.01) H02K 7/14 (2006.01)

Patent

CA 2148514

A dynamoelectric machine in the preferred form of a permanent magnet motor has an integral blade assembly associated with the rotor for the motor. The motor includes an enclosure with which the blade assembly mates. The blade structure/housing combination provides a labyrinth moving seal to protect the motor and associated motor control. The blade assembly and enclosure preferably are constructed from nonconductive material and provide a fully electrically insulated motor-fan assembly, which eliminates the need for certain grounding requirements. Blade construction is optimized easily to reduce audible sound in operation use. A method of assembly for a motor provides an integral blade assembly housing arrangement.

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