H - Electricity – 02 – K
Patent
H - Electricity
02
K
310/119, 310/36,
H02K 29/00 (2006.01) F04D 25/08 (2006.01) F04D 29/28 (2006.01) F04D 29/58 (2006.01) H02K 9/06 (2006.01) H02K 11/04 (2006.01) H02K 21/22 (2006.01)
Patent
CA 1305994
GEN 9210 03-LO-6036 PATENT ELECTRONICALLY COMMUTATED MOTOR, BLOWER INTEGRAL THEREWITH, AND STATIONARY AND ROTATABLE ASSEMBLIES THEREFOR ABSTRACT OF THE DISCLOSURE A motor assembly for use in combination with a air handling system such as an automotive blower system for sup- plying cooling or heating air to a passenger compartment of an automobile. The assembly comprises a support member which is adapted to be mounted on the air handling system. Sta- tionary and annular rotatable assemblies are mounted on one side of the support plate and a printed circuit board includ- ing a motor control circuit is mounted on the other side thereof. The stationary assembly has a plurality of winding stages adapted to be electrically energized to generate an electromagmetic field. The annular rotatable assembly has a plurality of permanent magnet elements surrounding the sta- tionary assembly and is adapted to engage a squirrel cage fan for moving air in the air handling system. The control cir- cuit is connected to the winding stages for applying a vol- tage to one or more of the winding stages at a time and for commutating the winding stages in a preselected sequence to rotate the rotatable assembly. The support member has an opening in communication with apertures in the stationary and rotatable assemblies so that impellers on the rotatable assembly cool the control circuit by drawing air over it and through the opening and apertures.
597135
Cunningham Eldon Rulon
Forbes Franklin Lee
Company General Electric
Craig Wilson And Company
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