Patent ID: 8680733
Filing Date: 2014-03-25
Classification: H02K

Abstract:
1. An electric rotating machine comprising: a cylindrical armature core having a plurality of slots that are spaced from one another in a circumferential direction of the armature core and each open on a circumferential surface of the armature core; and a multi-phase armature coil including a plurality of phase windings and being wound around the armature core in a distributed winding manner, wherein each of the phase windings of the armature coil is formed of an electric wire bundle which includes a plurality of insulation-coated electric wires that are electrically connected to one another, each of the electric wire bundles forming the phase windings of the armature coil has a plurality of in-slot portions and a plurality of turn portions, each of the in-slot portions being received in a corresponding one of the slots of the armature core, each of the turn portions protruding from a corresponding one of axial end faces of the armature core and extending to connect a corresponding adjacent pair of the in-slot portions of the electric wire bundle, and for each of the electric wire bundles, the electric wires of the electric wire bundle are stranded at least at the turn portions of the electric wire bundle.