Patent ID: 8344572

Claim:
Electromotive part of an elevator drive, which is provided as an internal rotor motor, comprising a rotor ( 24 ) and a stator ( 10 , 22 ), wherein coils of the stator and/or the rotor ( 24 ) are provided as single tooth windings, and wherein the coils are, at least in part, encapsulated, and the coils are provided as two-layer windings, wherein the coils of individual phases (U, V, W) can be inserted as alternating upper layers and lower layers, wherein a first one of the phases comprises: a first coil with a first side thereof in a lower layer of a first slot referred to as n in the following, and with a second side thereof in a lower layer of a slot n+1, and a second coil with a first side thereof in a lower layer of a slot n+2 and a second side thereof in an upper layer of slot n+1; a second one of the phases comprises: a third coil with a first side thereof in a lower layer of a slot n+3 and a second side thereof in an upper layer of slot n+2; and a fourth coil with a first side thereof in an upper layer of slot n+3 and a second side thereof in a lower layer of a slot n+4; and a third one of the phases comprises: a fifth coil with a first side thereof in an upper layer of slot n+4 and a second side thereof in a lower layer of a slot n+5; and a sixth coil with a first side thereof in an upper layer of a slot n+6 and a second side thereof in an upper layer of slot n+5.