Patent ID: 8181634
Filing Date: 2012-05-22
Classification: F01M

Abstract:
1. An engine assembly comprising: an engine structure defining a combustion chamber and a crankcase in communication with a fresh air supply; an intake assembly in communication with the combustion chamber and including: a cylinder head cover assembly fixed to the engine structure and including a cover member defining a positive crankcase ventilation chamber, a separator coupled to the cover member and defining an inlet providing communication between the crankcase and the positive crankcase ventilation chamber, a first outlet flow path in communication with the first region of the intake assembly and the positive crankcase ventilation chamber, a second outlet flow path in communication with the second region of the intake assembly and the positive crankcase ventilation chamber, and a first valve located in the first outlet flow path, the cylinder head cover assembly defining a third outlet flow path in communication with the third region of the intake assembly and the positive crankcase ventilation chamber.