Internal-combustion engines – Lubricators – Crankcase – pressure control
Reexamination Certificate
2007-09-18
2007-09-18
Kamen, Noah P. (Department: 3747)
Internal-combustion engines
Lubricators
Crankcase, pressure control
C194S293000, C194S293000
Reexamination Certificate
active
11348231
ABSTRACT:
A slant engine for a utility engine which a cylinder is attached to the crankcase with slanted with respect to the a rotational direction of a crankshaft, comprises a reservoir oil tank formed outside of the crankcase at lower portion for reserving lubricant, a communication pipe connected to bottom portions of the reservoir oil tank and the crankcase for communicating the lubricant in the crankcase and the reservoir oil tank, and a vent pipe connected to both of the reservoir oil tank and the inside of the crankcase.
REFERENCES:
patent: 4825825 (1989-05-01), Chino et al.
patent: 5-50012 (1993-07-01), None
patent: 11-081966 (1999-03-01), None
Fuji Jukogyo Kabushiki Kaisha
Kamen Noah P.
Smith , Gambrell & Russell, LLP
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