FIELD: electricity.
SUBSTANCE: stator comprises spiral core, having multiple packed layers; arranged by winding of one metal sheet having specified shape, in direction along spiral, base and teeth protruding from base, insulator arranged of electric insulating material and covering spiral core, and also grooves arranged in base of spiral core and arranged under teeth for reduction of voltage caused by winding of metal sheet. Besides, according to this invention, to attach multiple layers of stator spiral core one to another with the help of fastening element, there are through holes formed as arranged between two neighbouring teeth.
EFFECT: material saving, simplified technology of stator manufacturing with simultaneous increase of efficiency and reliability of electric motor with stator of proposed design and external rotor.
40 cl, 11 dwg
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