Low profile electric motor having an inner stator, an...

Details Low profile electric motor having an inner stator, an... Low profile electric motor having an inner stator, an...

H - Electricity

02

K

310/58

H02K 21/12 (2006.01) H02K 1/06 (2006.01) H02K 37/10 (2006.01)

Patent

CA 1266294

PATENT ABSTRACT OF THE DISCLOSURE An electric motor has an annular permanent magnetic rotor having rotor poles of alternating polarity amount is circumference. The motor has an outer stator disposed concentrically around the outer periphery of the rotor which has an annular configuration and a plurality of axially extending salient magnetic poles of opposite polarity alternating around the outer stator's inner periphery. The motor also has an inner stator disposed concentrically within the inner periphery of the rotor which as an annular configuration and a plurality of axially extending salient magnetic poles of opposite polarity alternating around the inner stator's periphery. An separately energizable annular coil of wire disposed inside each stator energizes that stator's magnetic poles in response to sequential energization of each coil with electricity in different phase relationship to one another.

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