Electrically powered apparatus

Details Electrically powered apparatus Electrically powered apparatus

1986-11-17

1989-04-11

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310268, H02K 709

Patent

active

048209490

ABSTRACT:
An electrically powered apparatus is disclosed in which an axial end surface of a rotor and an axis end surface of a stator are arranged to be sliding surfaces for effecting relative sliding motion therebetween, one of the sliding surfaces being provided with grooves adapted to generate fluid dynamic pressure upon relative rotation of said surfaces.

REFERENCES:
patent: 3179831 (1965-04-01), Moressee et al.
patent: 3241304 (1966-03-01), Mattingly et al.
patent: 3918773 (1975-11-01), Tuffias
patent: 4132910 (1979-01-01), Kiss et al.
patent: 4408858 (1983-10-01), Lee
patent: 4413895 (1983-11-01), Lee

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