Rotating electric machine and method for producing rotating electric machine
AssigneeKabushiki Kaisha Yaskawa Denki
InventorsTuyoshi NONAKA, Shogo MAKINO, Mitsunori KAMO
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Abstract
This disclosure discloses a rotating electric machine including a rotor and a stator. The rotating electric machine includes a stator core including a teeth part, and an air core coil. The air core coil is fitted to the teeth part. The air core coil includes curved end surfaces configured to approximately define a part of cylindrical shape at inner radial side and outer radial side. The air core coil includes approximately flat end surfaces at both circumferential sides and both axial sides.
Claims15
A rotating electric machine comprising a rotor and a stator, comprising:
- a stator core comprising a teeth part;
- and
- an air core coil fitted to the teeth part, the air core coil comprising curved end surfaces configured to approximately define a part of cylindrical shape at inner radial side and outer radial side, the air core coil comprising approximately flat end surfaces at both circumferential sides and both axial sides.
A method for producing a rotating electric machine comprising a rotor and a stator, comprising:
- winding a wire for a stator coil around a winding jig;
- pressure molding end surfaces at inner radial side and outer radial side of an air core coil formed by the winding the wire by using a curved press jig which defines a part of cylindrical shape;
- and
- pressure molding end surfaces at both circumferential sides and both axial sides of the air core coil by using a flat press jig.
A rotating electric machine comprising a rotor and a stator, comprising:
- a stator core comprising a teeth part;
- an air core coil fitted to the teeth part;
- and
- means for enabling a pressure molding of end surfaces of the air core coil at both radial sides, both axial sides and both circumferential sides.
Dependencies are inferred from the claim text.