Patent ID: 6196814
Filing Date: 2001-03-06
Classification: F01C,F04C

Abstract:
A compressor assembly comprising:a compression mechanism;a rotating crankshaft operably coupled to said compression mechanism, said crankshaft provided with a longitudinally-extending oil conveyance conduit, said oil conveyance conduit in fluid communication with relatively moving interfacing surfaces of said compression mechanism; andan oil pump assembly comprising:an oil pump body, relative rotation existing between said crankshaft and said pump body; andmeans disposed within said oil pump body for urging oil received in said pump body into and through said oil conveyance conduit regardless of the direction of rotation of said crankshaft;wherein said crankshaft is supported by a bearing surface of said pump body, said compressor assembly further comprising means for lubricating an interface between a surface of said crankshaft and said bearing surface solely with oil leaked from said oil pump.