End shield mounting system for dynamoelectric machine

Details End shield mounting system for dynamoelectric machine End shield mounting system for dynamoelectric machine

1979-04-23

1982-03-09

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 90, 310 91, 310258, H02K 516

Patent

active

043191509

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: 1771475 (1930-07-01), Wright
patent: 2478551 (1949-08-01), Turner
patent: 2489840 (1949-11-01), White
patent: 2856548 (1958-10-01), Krebs
patent: 2871384 (1959-01-01), Gabriel
patent: 3070409 (1962-12-01), Jakel
patent: 3500084 (1970-03-01), Sachio
patent: 3515918 (1970-06-01), Otto
patent: 3527972 (1970-09-01), Franz
patent: 3714705 (1971-09-01), Lewis
patent: 3766416 (1973-10-01), Papst
patent: 3895247 (1975-07-01), Iwata

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