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US 6,459,177 B1Granted
Electric rotary machine having a plurality of conductor segments and method of manufacturing the same
AssigneeDenso Corporation
InventorsShigenobu Nakamura, Mamoru Urushizaki, Mitsuru Katoh, Mitsuaki Taira
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Abstract
The invention provides a rotary electric machine and method of manufacturing same, having a plurality of conductor segments inserted in a plurality of slots of a stator core. The conductor segments are welded together at adjacent connection ends by a welding arc so that the welding arc forms melted portions. The melted portions form vestiges that swell in a circumferential direction.
Claims5
A rotary electric machine comprising:
- a stator core having a plurality of slots;
- and
- a plurality of conductor segments inserted into each said plurality of slots, each of said plurality of conductor segments having connection ends being welded to other connection ends and being disposed at one end of a stator core;
- wherein
- each said connection end has a vestige of being welded which has a greater amount of swell in a first circumferential direction than the amount of swell in a second circumferential direction.
2 more elements
Dependencies are inferred from the claim text.