Internal-combustion engines – Lubricators – Crankcase – pressure control
Reexamination Certificate
2007-02-20
2007-02-20
Cronin, Stephen K. (Department: 3747)
Internal-combustion engines
Lubricators
Crankcase, pressure control
Reexamination Certificate
active
10860214
ABSTRACT:
A lubrication system for an engine includes an oil tank, a crankshaft, a crankcase for housing the crankshaft. An oil sump formed at a bottom of the crankcase collecting lubricant for circulated moving parts to be lubricated, and an oil pump for returning the lubricant collected in the oil sump to the oil tank are also provided. The oil sump and an oil suction port are provided, respectively, on one side and the another side of a normal plane including an axis of the crankshaft.
REFERENCES:
patent: 07-063119 (1995-03-01), None
patent: 2002-089217 (2002-03-01), None
Cronin Stephen K.
Harris Katrina
Yamaha Hatsudoki Kabushiki Kaisha
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