Main bearing lubrication system for scroll machine

Details Main bearing lubrication system for scroll machine Main bearing lubrication system for scroll machine

F - Mech Eng,Light,Heat,Weapons

01

M

184/13

F01M 7/00 (2006.01) F04C 29/02 (2006.01)

Patent

CA 1202914

Title MAIN BEARING LUBRICATION SYSTEM FOR SCROLL MACHINE Inventors Arthur L. Butterworth James C. Tischer Robert E. Utter 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 com- pressor 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 con- nected to the drive shaft. Fan means are disposed within the second chamber and are operative to develop a differ- ential pressure between the two chambers so that oil drop- lets are drawn toward the first chamber, lubricating the main bearing as they pass through it.

441038

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