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US 9,438,078 B2Granted
Arrangement of coil wires in a rotor of an electric motor
AssigneeNidec Motors & Actuators (Germany) GmbH
InventorJuergen Schmid
Life of this patent
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Abstract
An armature for an electric motor, the armature comprising a plurality of teeth and a plurality of cavities, wherein each one of the cavities is arranged between two of the plurality of teeth, and wherein at least one of the plurality of cavities is configured and arranged for receiving coil windings adjacent to a wall portion of the at least one cavity, wherein the at least one of the plurality of cavities comprises a switching wire receptor.
Claims12
An armature for an electric motor, the armature comprising:
- a plurality of teeth and a plurality of cavities, wherein each one of the cavities is arranged between two of the plurality of teeth, and wherein at least one of the plurality of cavities is configured and arranged for receiving coil windings adjacent to a wall portion of the at least one cavity, wherein the at least one of the plurality of cavities comprises a switching wire receptor;
- wherein the switching wire receptor comprises a recess in a wall portion of the at least one of the plurality of cavities for receiving a switching wire;
- and
- wherein the recess has a depth larger than the diameter of the switching wire.
1 more element
An armature for an electric motor, the armature comprising:
- a plurality of teeth and a plurality of cavities, wherein each one of the cavities is arranged between two of the plurality of teeth, and wherein at least one of the plurality of cavities is configured and arranged for receiving coil windings adjacent to a wall portion of the at least one cavity, wherein the at least one of the plurality of cavities comprises a switching wire receptor;
- wherein the switching wire receptor comprises a recess in a wall portion of the at least one of the plurality of cavities for receiving a switching wire;
- and
- wherein the recess has a depth substantially corresponding to the diameter of the switching wire.
1 more element
Dependencies are inferred from the claim text.