Method of making a dynamoelectric machine

Details Method of making a dynamoelectric machine Method of making a dynamoelectric machine

1977-03-22

1979-10-09

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

310 42, 310 89, 310 90, H02K 1514

Patent

active

041700570

ABSTRACT:
An electric motor in which concentricity between stator and rotor is maintained solely by frictional forces between radial faces of the motor's end shields and radial faces of the stator. The motor is assembled by positioning the rotor in the stator by shims in the air gap. End shields are mounted on the rotor shaft, with radial portions of the end shield in face-to-face abutment with a face of the stator. Short through-bolts extending through the radial faces of the end shields and through the stator are tightened sufficiently to maintain the air gap between stator and rotor during shipment and use of the motor. Self-aligning bearings compensate for any lack of squareness between the stator's bore and its end faces. Special patterns on the end shield faces abutting the stator facilitate repair and reassembly of the motor.

REFERENCES:
patent: 2423750 (1947-07-01), Benson
patent: 3176172 (1965-03-01), Thompson et al.
patent: 3320660 (1967-05-01), Otto
patent: 3437853 (1969-04-01), Arnold
patent: 3707037 (1972-12-01), Gutris
patent: 3966278 (1976-06-01), Lewis

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