Patent ID: 7503317
Filing Date: 2009-03-17
Classification: F01M

Abstract:
1. An internal breather for removing oil from blow-by in an internal combustion engine, the breather comprising: a breather cover having a breather cover drainback hole; a breather cover seal in sealed engagement with the breather cover and having a breather cover seal drainback hole that is aligned with the breather cover drainback hole to create a drainback passage; a breather chamber bounded on at least one end by the breather cover and the breather seal, and a breather media positioned within the breather chamber, the breather media for removing an amount of oil from the blow-by; wherein the amount of oil removed from the blow-by can, during operation of the engine, be drawn through the drainback passage so as to exit the breather chamber, at least partially due to gravity, and at least partially using a gearing mechanism that is in operative association with a camshaft of the engine.