Patent ID: 8505520

Claim:
An engine assembly comprising: an engine structure defining a cylinder bore, an intake port in communication with the cylinder bore, and a crankcase; an air intake assembly in communication with the intake port; and a crankcase ventilation line assembly including: a fresh air line in communication with the crankcase and the air intake assembly and providing fresh air to the crankcase; and an oil surge protection device located in the fresh air line and defining an oil obstruction inhibiting oil flow to the air intake assembly while allowing air flow between the crankcase and the air intake assembly, wherein the oil surge protection device includes an air inlet in communication with the air intake assembly, an air outlet in communication with the crankcase and a chamber defined between the air inlet and the air outlet with the air inlet and the air outlet offset relative to one another and relative to a longitudinal centerline of the chamber, wherein the air inlet is radially offset upward relative to the air outlet.