Resilient electric motor bearing seal

Details Resilient electric motor bearing seal Resilient electric motor bearing seal

1974-04-08

1976-12-14

Spar, Robert J.

Electrical generator or motor structure

Dynamoelectric

Rotary

277 38, 277 70, 277 82, 277 88, 277 90, 277134, 308 361, F16C 3378, F16J 1532, F16J 1552, H02K 516

Patent

active

039978052

ABSTRACT:
Seal arrangement to be used with dynamoelectric machines having a bearing and shaft combination. Seal is formed from resilient material in a sinuous shape providing a radial clearance for the rotatable shaft. Portion of seal mates with rotating seal engaging member and provides a sliding surface which is self-lubricating. Sinuous shape of seal allows deflection under pressure to lessen sliding surface pressure and conforms to variations in shaft alignment.

REFERENCES:
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patent: 2905267 (1959-09-01), Thompson
patent: 3062939 (1962-11-01), Kiespe et al.
patent: 3141708 (1964-07-01), Evangelista
patent: 3243617 (1966-03-01), Cunningham
patent: 3250579 (1966-05-01), Tupper et al.
patent: 3499654 (1970-03-01), Lower
patent: 3785660 (1974-01-01), Bush
patent: 3788650 (1974-01-01), Place
patent: 3788653 (1974-01-01), Sigmon
patent: 3794392 (1974-02-01), Scott

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