Patent ID: 9057295
Filing Date: 2015-06-16
Classification: F01M,F02M

Abstract:
1. An engine assembly comprising: an engine defining a combustion chamber and a crankcase; an intake assembly including an intake manifold, the intake manifold being in fluid communication with the combustion chamber; and an air-oil separator defining a separator volume and further defining an inlet and outlet in fluid communication with the separator volume, the inlet of the air-oil separator being in fluid communication with the crankcase, and the outlet of the air-oil separator being in fluid communication with the intake manifold; wherein the air-oil separator includes an interior surface that abuts and surrounds substantially the entire separator volume; and wherein the interior surface of the air-oil separator forms a plurality of depressions on the interior surface, each being configured to continuously contain a respective volume of fluid when the engine is both operating and not operating.