Small dynamoelectric machine and method for making same

Details Small dynamoelectric machine and method for making same Small dynamoelectric machine and method for making same

1980-01-18

1982-03-30

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

310 42, 310 43, 310 90, H02K 1514

Patent

active

043217486

ABSTRACT:
In assembling a rotor into a small electric rotary machine, a spacer made of resinous material is provided to have an ideal axial play for the rotor. When the rotor is assembled into a housing, the resinous spacer is made to be soft enough to allow encroachment of the rotor shaft end until the rotor is placed in the right place. Thereafter, the spacer is made hard enough to support the axial movement of the rotor when the motor operates. Since the resinous spacer shrinks after hardening it provides an ideal axial play for the rotor.

REFERENCES:
patent: 3397929 (1968-08-01), Gill et al.

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