Crankshaft lubrication system

Details Crankshaft lubrication system Crankshaft lubrication system

1993-09-07

1998-12-01

Verdier, Christopher

Lubrication

Systems

Rotary compressor

184 618, 417902, 418 94, F01M 106

Patent

active

058424202

ABSTRACT:
A crankshaft lubrication system is provided for generating increased oil pumping capacity and oil pressure in a sealed compressor for cooling fluids. The lower portion of an integral crankshaft is cut at a slanted angle to increase the inlet area for picking up more oil from a sump or oil reservoir. By varying the angle of cut at the lower portion of an integral crankshaft, one achieves oil pumping rates over a wide range of values while using a standard size crankshaft. This approach not only simplifies the manufacture of lubrication system for sealed compressors, but also lowers the overall production costs of such compressors. While the efficiency of sealed compressors is maintained under the present invention, the noise emissions from such compressors are lowered significantly.

REFERENCES:
patent: 3646756 (1972-03-01), Langlois
patent: 3674382 (1972-07-01), Kubota et al.
patent: 4236879 (1980-12-01), Abe
patent: 4762477 (1988-08-01), Hayano et al.
patent: 4865527 (1989-09-01), Pierd et al.
patent: 5088579 (1992-02-01), Kim et al.

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