Manufacturing method for a rotor of an electric rotary machine

Details Manufacturing method for a rotor of an electric rotary machine Manufacturing method for a rotor of an electric rotary machine

1995-12-18

1998-07-14

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

310 42, 310201, H02K 1506

Patent

active

057785120

ABSTRACT:
A rotor for an electric rotary machine having an armature core, upper layer coil elements and lower layer coil elements is provided. Each coil element has a straight coil side and a pair of coil ends extending radially at a right angle from the coil side. Each coil end is inclined by a predetermined angle with respect to the coil side in a circumferential direction of the armature core. The lower layer coil side and the upper layer coil side are inserted into corresponding slots in a radial direction. A connector comprising a tip of the coil end of the upper layer coil element and a connector comprising a tip of the coil end of the lower layer coil element are welded together.

REFERENCES:
patent: 5211670 (1993-05-01), Ohmi et al.
patent: 5266858 (1993-11-01), Ohmi et al.
patent: 5508577 (1996-04-01), Shiga et al.

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