Process for manufacturing a grooveless stator for electric motor

Details Process for manufacturing a grooveless stator for electric motor Process for manufacturing a grooveless stator for electric motor

1988-02-16

1989-06-13

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

2642722, 310 43, 310216, H02K 1502

Patent

active

048379212

ABSTRACT:
A cylindrical winding is formed, of which the turns of the coils situated at the edges of the cylinder are bent back towards the outside, thus obtaining two external shoulders (2, 3). The winding is introduced into an appropriate mold, and a synthetic resin is injected; after cooling and removal from the mold, a rigid unit (11) is obtained. Around this unit (11) and between the two shoulders (2, 3) there is wound an iron wire (12) which forms the yoke of the stator. The unit thus obtained is then mounted in an aluminum frame by simple mechanical means.

REFERENCES:
patent: 2354551 (1944-07-01), Sawyer
patent: 2759116 (1956-08-01), Glass
patent: 3848331 (1974-11-01), Pavlik et al.
patent: 4679313 (1987-07-01), Schultz et al.

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