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US 2019/0199153 A1Published application
Stator of rotary electric machine and method of manufacturing stator coil
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsMasahiro Nishimura, Masashi Matsumoto
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Abstract
A stator includes a stator core, and a stator coil wound around the stator core. The stator coil includes a firm segment coil and a second segment coil. A first peeled portion that is present in an end portion of the first segment coil is joined to a second peeled portion of the second segment coil. At least one recess portion is provided in a joining surface of the first peeled portion, which faces the second peeled portion.
Claims10
A stator of a rotary electric machine, the stator comprising:
- a stator core;
- and
- a stator coil wound around the stator core, wherein:
- the stator coil includes a first segment coil and a second segment coil;
- a first peeled portion that is present in an end portion of the first segment coil is joined to a second peeled portion of the second segment coil;
- and
- at least one recess portion is provided in a joining surface of the first peeled portion that faces the second peeled portion.
4 more elements
A method of manufacturing a stator coil, the method comprising:
- forming a first peeled portion at an end portion of a first segment coil that is included in the stator coil and also forming at least one recess portion in the first peeled portion, an insulating film of the first segment coil that is peeled off in the first peeled portion;
- and
- welding the first peeled portion to a second peeled portion such that the recess portion faces the second peeled portion, in a state where the first peeled portion overlaps the second peeled portion, the second peeled portion being at an end portion of a second segment coil that is included in the stator coil.
Dependencies are inferred from the claim text.