Metal working – Method of mechanical manufacture – Electrical device making
Patent
1987-06-11
1989-09-12
Echols, P. W.
Metal working
Method of mechanical manufacture
Electrical device making
H02K 1500
Patent
active
048647160
ABSTRACT:
To improve a coil packing ratio and reduce winding time of a A.C. generator stator, a wound coil of a first group is inserted in advance to coil inserting jig, with a wound coil of a second group having the same shape as that of the coil of the first group then being fitted to the coil inserting jig with predetermined pitch deviation. Thereafter, the wound coils of the first and second groups are simultaneously inserted into slots of the stator by the coil inserting jig.
REFERENCES:
patent: 4426771 (1984-01-01), Wang et al.
patent: 4520287 (1985-05-01), Wang et al.
Sawahata Youichi
Suenobu Tadayuki
Yaginuma Kenji
Echols P. W.
Hitachi , Ltd.
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