Pumps – Motor driven – Including means utilizing pump fluid for augmenting cooling,...
Patent
1982-12-27
1984-12-18
Gluck, Richard E.
Pumps
Motor driven
Including means utilizing pump fluid for augmenting cooling,...
417372, 417902, 418 55, 418 88, 418 94, 418101, F04B 3902, F01C 102, F01C 2104
Patent
active
044888554
ABSTRACT:
A system for lubricating the main drive shaft bearings in a scroll compressor enclosed within a hermetic shell. The drive shaft and its main bearings are supported in a frame that defines first and second chambers adjacent each end of a main bearing. Each of the chambers includes an opening to a spatial volume contained within the compressor shell. An oil pump at the lower end of the drive shaft supplies oil through a bore in the shaft to a swing link bearing and a thrust bearing, both disposed adjacent its upper end. Oil is dispersed into the spatial volume as a mist of oil droplets by the rotating elements connected to the drive shaft. Fan means are disposed within the second chamber and are operative to develop a differential pressure between the two chambers so that oil droplets are drawn toward the first chamber, lubricating the main bearing as they pass through it.
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Butterworth Arthur L.
Tischer James C.
Utter Robert E.
Anderson Ronald M.
Cuomo Peter M.
Gluck Richard E.
Lewis Carl M.
The Trane Company
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