Blow-by gas ventilation system for engine

Details Blow-by gas ventilation system for engine Blow-by gas ventilation system for engine

2007-07-24

2007-07-24

McMahon, Marguerite (Department: 3747)

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

Reexamination Certificate

active

10765573

ABSTRACT:
A blow-by gas ventilation system particularly suited for use with a small watercraft includes a oil separation chamber preferably disposed within a plenum chamber defined by an air intake box. An inlet tube permits blow-by gases to move from the crankcase chamber of the engine to the oil separation chamber. An outlet allows blow-by gases to move from the oil separation chamber to the plenum chamber. Desirably, an outlet tube connects the outlet to an opening in an intake port of the induction system to discharge blow-by gases into the intake port. The oil separation chamber may be defined by a cover member, along with a portion of the interior surface of the air intake box.

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