Self-lubricating bearing
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United States of America Patent
Stats
-
May 1, 2001
Grant Date -
N/A
app pub date -
Nov 16, 1999
filing date -
Nov 16, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A self-lubricating bearing for use in submersible oil-filled motors is disclosed. The bearing comprises a bearing housing and is fixed against rotation. A bearing sleeve is disposed in the bearing housing. The bearing sleeve is fixed in the bearing housing, and has a slot disposed therethrough. The bearing housing has an inlet and an outlet defined therethrough that intersect the slot in the bearing sleeve. The bearing is disposed about a rotatable shaft in the motor. Rotation of the shaft will cause oil to be drawn in through the inlet so that the shaft and the bearing surface of the bearing sleeve are lubricated. Rotation will also cause oil drawn in through the inlet to be expelled through the outlet back into the motor so that there is a constant circulation of oil through the bearing to provide lubrication.
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