Lubrication system of connecting rod, piston, and wrist pin for

Details Lubrication system of connecting rod, piston, and wrist pin for Lubrication system of connecting rod, piston, and wrist pin for

1990-01-18

1991-08-13

Smith, Leonard E.

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

184 68, 92157, F04B 3906

Patent

active

050392859

ABSTRACT:
The present invention is an improved lubrication system for a connecting rod, wrist pin, and piston of a compressor. An oil pump pumps lubricating oil upwardly within an axial bore of the crankshaft, which includes a radial passageway in alignment with the connecting rod. The connecting rod includes ports which direct pulses of oil onto the inner surfaces of the piston. The ports are separated by barrier segments to allow local oil pressure to build between the sequential alignments of the passageway and a port. Thus, pulses of oil are accurately sprayed onto the piston inner surfaces without substantially diminishing the lubrication of the journal bearings.

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