Lubrication system for engine

Details Lubrication system for engine Lubrication system for engine

1998-02-18

1999-06-29

Kwon, John

Internal-combustion engines

Lubricators

Crankcase, pressure control

123196M, F01M 100

Patent

active

059153504

ABSTRACT:
An arrangement for lubricating the piston pin and associated bearing surfaces in a reciprocating machine wherein a charge is compressed in a crankcase chamber. The arrangement includes a groove in the cooperating bearing surfaces in which lubricant is retained. The opposite ends of the groove are exposed to different pressure areas in the engine that vary cyclically, but not in phase with each other so lubricant will be pumped back and forth in the groove during the cyclic engine operation.

REFERENCES:
patent: 3973532 (1976-08-01), Litz
patent: 4261305 (1981-04-01), Ikoma
patent: 4364307 (1982-12-01), Paro
patent: 4433655 (1984-02-01), Villella
patent: 4945864 (1990-08-01), Soloman et al.
patent: 5333955 (1994-08-01), Papa

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