Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1978-10-31
1981-12-15
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 42, 310 91, 310254, H02K 106
Patent
active
043061680
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 above, 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: 2870356 (1959-01-01), Gibson
patent: 2871384 (1959-01-01), Gabriel
patent: 3445698 (1969-05-01), Miko
patent: 3590292 (1971-06-01), Poliakoff
Emerson Electric Co.
Skudy R.
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