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US 2011/0210641 A1Published application
Armature of electric motor and electric motor
AssigneeKomatsu Ltd.
InventorsTeiichirou Chiba, Tsuyoshi Kobayakawa, Daisuke Yoshida
Life of this patent
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Abstract
An armature of an electric motor includes a core and a winding. The core has a plurality of slots and a plurality of teeth formed between the slots. The winding is composed of a plurality of wires. The winding has a plurality of coil parts and connecting portions. The coil parts are inserted into the slots and wound around and across the teeth. The connecting portions connect the coil parts together. The winding has a twisted shape in the connecting portions.
Claims4
An armature of an electric motor comprising:
- a core including a plurality of slots and a plurality of teeth formed between the slots;
- and
- a winding made of a bundled plurality of wires, the winding including a plurality of coil parts and a plurality of connecting portions, the coil parts inserted into the slots and wound around the teeth, the connecting portions connecting the coil parts together, the winding having a twisted shape in the connecting portions.
Dependencies are inferred from the claim text.