Electric motor

H - Electricity – 02 – K

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H02K 21/12 (2006.01)

Patent

CA 2074477

2074477 9210023 PCTABS00013 The invention relates to a power-converted fed synchronous motor with a rotor (2) having at least one pole structure (12) with adjacent rows consisting alternately of magnetised permanent magnets (13) and intermediate soft iron components (14), whereby opposite each pole structure (12) is a two-part (6, 7) stator (5). The arrangement is such that the circumferential exciting winding (8) in the stator (5) is concentrated on only a part (6) of the stator (5), whereby the other stator (7) has no windings. The annular winding (8) is preferably fitted in the outer stator (6) while the inner stator (7) serves only as a magnetic reaction component within the rotor (2) to produce the transverse magnetic flux. This simplifies the wiring to the annular winding and makes for a simpler winding structure.

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