Method of securing end shields to the stator assembly of a dynam

Details Method of securing end shields to the stator assembly of a dynam Method of securing end shields to the stator assembly of a dynam

1981-08-31

1982-12-07

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29526R, 310 42, 310 89, 310 90, H02K 1514

Patent

active

043619533

ABSTRACT:
A system and method of securing the end shields of a dynamoelectric machine (e.g., a fractional horsepower electric motor) to its stator assembly with the rotor assembly of the motor held centered within the bore of the stator assembly and journalled in the motor's end shields. The system involves the use of threaded fasteners (preferably self-tapping screws or the like) which are inserted through enlarged holes provided in the end shield into mating holes provided in the end face of the core of the stator assembly. With the rotor accurately centered in the stator bore, the fasteners are tightened thereby to firmly and securely draw the end shield into firm gripping engagement with the end face of the stator core while the desired uniform air gap between the rotor and the bore of the stator assembly is maintained.

REFERENCES:
patent: 738782 (1903-09-01), Edwards
patent: 1771475 (1930-07-01), Wright
patent: 2120427 (1938-06-01), Kronmiller
patent: 2423750 (1947-07-01), Benson
patent: 2870356 (1959-01-01), Gibson
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patent: 3176172 (1965-04-01), Thompson et al.
patent: 3320660 (1967-05-01), Otto
patent: 3437853 (1969-04-01), Arnold
patent: 3445698 (1969-05-01), Miko
patent: 3590292 (1971-06-01), Poliakoff
patent: 3707037 (1972-12-01), Gutris
patent: 3966278 (1976-06-01), Lewis

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