Unit bearing motor with hydrodynamic lubricating system

Details Unit bearing motor with hydrodynamic lubricating system Unit bearing motor with hydrodynamic lubricating system

1986-11-12

1987-12-08

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

384372, 384385, 384392, H02K 516, F16C 314, F16C 3310

Patent

active

047120312

ABSTRACT:
The rotor of a shaded pole motor includes a central housing supported on a stationary shaft by two axially spaced sleeve bearings which are pressed tightly into the housing and which rotate on the shaft. The opposing inboard faces of the bearings are formed with enlarged diameter and circumferentially continuous throats located adjacent the shaft. During rotation of the bearings, oil is pumped continuously though a closed system and forms a pressurized film between the bearings and the shaft so as to reduce friction and wear.

REFERENCES:
patent: 1296211 (1919-03-01), Parsons et al.
patent: 2264635 (1941-12-01), Graham
patent: 2604188 (1952-07-01), Marchant
patent: 3626221 (1971-12-01), Anderson
patent: 3749954 (1973-07-01), Anderson, Jr.
patent: 3763386 (1973-10-01), Anderson
patent: 4037984 (1977-07-01), Rafferty et al.

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