Electric motors

Details Electric motors Electric motors

1984-08-24

1986-09-23

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 67R, H02K 516

Patent

active

046137785

ABSTRACT:
A construction is provided for reducing axial rotor oscillations in a small electric motor having a stator, a rotor, a shaft and sleeve bearings having end faces, the sleeve bearings journalling the shaft. The construction includes a rotation element having a sliding surface at one of its axial ends, a spring element urging the sliding surface in sliding contact with a face of the adjacent sleeve bearing and a driving connection for rotating the rotation element in synchronism with the motor shaft during rotation thereof.

REFERENCES:
patent: 3013167 (1961-12-01), Bobula
patent: 3038765 (1962-06-01), Tupper
patent: 3161794 (1964-12-01), Lindgren
patent: 3319098 (1967-05-01), Hartman
patent: 3387153 (1968-06-01), Grad
patent: 3513339 (1970-05-01), Harris et al.
patent: 3624434 (1971-11-01), Daffler et al.
patent: 3720882 (1973-03-01), Vieweg et al.
patent: 3816782 (1974-06-01), Dow et al.
patent: 3919572 (1975-11-01), Desy

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