Electric motor stator with slots of different sizes

Details Electric motor stator with slots of different sizes Electric motor stator with slots of different sizes

H - Electricity

02

K

310/112

H02K 1/12 (2006.01) H02K 1/16 (2006.01) H02K 3/12 (2006.01) H02K 3/28 (2006.01)

Patent

CA 1042970

ABSTRACT OF THE DISCLOSURE A stator for a dynamoelectric machine having a primary phase winding arranged in a plurality of winding receiving slots and including at least two coil groups defining at least two predetermined primary magnetic poles. An auxiliary phase winding defining at least two auxiliary magnetic poles angularly displaced from the primary magnetic poles. The at least two predetermined magnetic poles having a polar axis. Each primary phase winding coil group is symmetrical about the polar axis. The first slot on each side of the axis established by the first phase winding is of a first predetermined area or size, three slots next adjacent each first slot are of a second predetermined area or size, and two slots of a third predetermined area or size are next adjacent to the slots of the second predetermined area or size. The slots of the third predetermined area or size are larger than the slots of the second predetermined area or size and the slots of the second predetermined area or size are larger than the slots of the first predetermined area or size.

236427

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