ENGINE ASSEMBLY INCLUDING CRANKCASE VENTILATION SYSTEM
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United States of America Patent
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Issued Date -
May 2, 2013
app pub date -
Oct 26, 2011
filing date -
Oct 26, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An engine assembly includes an engine structure, an air intake assembly and a crankcase ventilation assembly. The engine structure defines a cylinder bore, an intake port and a crankcase. The air intake assembly is in communication with the intake port. The crankcase ventilation assembly includes a housing and a baffle located within the housing. The housing defines an inlet in communication with the crankcase and an outlet in communication with the air intake assembly. Apertures in the baffle define a first characteristic flow rate and spacing between the baffles and housing defines a second characteristic flow rate. In one arrangement, the first and second characteristic flow rates are offset from one another. In another arrangement, the first and second characteristic flow rates are equal to or offset from one another and are each greater than a maximum blowby flow rate of the engine assembly.
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