Patent ID: 8946965
Filing Date: 2015-02-03
Classification: H02K

Abstract:
1. An armature for an electric motor, the armature comprising: a substantially cylindrical core including a plurality of slots and a plurality of teeth formed between the slots, the slots and teeth being arranged along a circumferential direction of the core; and a distributed winding made of a bundled plurality of wires, the winding including a plurality of coil parts arranged adjacent one another in the circumferential direction and a plurality of connecting portions connecting the coil parts together, each of the coil parts comprising a plurality of turns of the bundled plurality of wires around the teeth disposed between two non-adjacent slots among the slots such that the coil part is disposed in the two non-adjacent slots and spans across the teeth disposed circumferentially between the two non-adjacent slots, the winding having a twisted shape in each of the connecting portions.