Patent ID: 6021867
Filing Date: 2000-02-08
Classification: F04B,F16N

Abstract:
An apparatus in combination with an air compressor for lubricating certain components in the air compressor, said compressor having a crankcase for holding lubricating oil, said apparatus comprising:(a) an oil pump located in said crankcase and said lubricating oil;(b) a hollow plunger mechanically and hydraulically connected between said oil pump and an eccentric provided on a crankshaft of said air compressor;(c) a filter for filtering said lubricating oil held in said crankcase; and(d) a block secured to an external surface of said crankcase for mounting said filter on the crankcase and in fluid communication with said oil pump such that filtered lubricating oil is directed to said hollow plunger from said oil pump after lubricating oil is directed into said oil pump from said filter and after lubricating oil is pumped from said crankcase and sent to said filter by said oil pump.