Internal-combustion engines – Lubricators – Crankcase – pressure control
Patent
1987-09-30
1988-09-20
Myhre, Charles J.
Internal-combustion engines
Lubricators
Crankcase, pressure control
74583, 384123, F01M 100
Patent
active
047717440
ABSTRACT:
In a two cycle internal combustion engine (2), the sidefaces (60, 62) of the connecting rod (40) have grooves (64) formed therein dragging lubricant from the fuel-air-lubricant mixture in the crankcase (8) along the crankfaces (38, 40) of the crankarm discs (34, 36) of the crankshaft (24), providing a hydrodynamic bearing with a layer of lubricant separating the sidefaces of the connecting rod from the crankfaces of the crankarm discs such that the sidefaces of the connecting rod ride on a layer of lubricant, and eliminating the need to silver plate the sidefaces of the connecting rod.
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Brunswick Corporation
Myhre Charles J.
Okonsky David A.
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