Method of manufacturing stator winding of rotary electric...

Details Method of manufacturing stator winding of rotary electric... Method of manufacturing stator winding of rotary electric...

2006-04-25

2006-04-25

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S597000, C029S598000, C029S606000, C029S732000, C029S734000, C029S739000, C029S792000, C029S871000, C072S458000, C072S479000, C140S102500, C140S106000, C310S154010, C310S156010

Reexamination Certificate

active

07032291

ABSTRACT:
A method of manufacturing a stator winding includes a twisting step of U-shaped conductor segments having a pair of straight portions by moving the straight portions in the circumferential direction while restraining the turn portions of the U-shaped conductor segments in the axial direction by a pressing tool. After the previously twisted U-shaped conductor segments are inserted into slots of a stator core, the straight portions are bent in the circumferential direction. The pressing tool is constituted of a stationary top plate that has recesses into which the straight portions are inserted and a movable top plate that is movable to close the recesses after the straight portions are inserted in the recesses.

REFERENCES:
patent: 2476743 (1949-07-01), Leece et al.
patent: 6177747 (2001-01-01), Maeda et al.
patent: 6249956 (2001-06-01), Maeda et al.
patent: 6339871 (2002-01-01), Maesoba et al.
patent: 2001/0007169 (2001-07-01), Takahashi et al.
patent: 40 31 276 (1992-04-01), None
patent: 100 16 151 (2000-10-01), None

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