Patent ID: 6758197
Filing Date: 2004-07-06
Classification: F01M,F02B,F02F,F05C,F16H

Abstract:
An apparatus to separate oil from a gas in an internal combustion engine, comprising:a rotatable member adapted be rotatably driven by the internal combustion engine; a housing affixed to the rotatable member; at least one inlet hole disposed through one of either the rotatable member or the housing, permitting oil-containing gas to pass therethrough; at least one outlet hole disposed through one of either the housing or the rotatable member, permitting the gas to exit therefrom; and at least one labrynthine passage extending between the at least one inlet and the at least one outlet, wherein, as the rotatable member and housing rotate, the oil-containing gas within the labrynthine passage is subjected t centrifugal forces such that at least some of the oil is removed from the gas as the gas flows from the at least one inlet hole to the at least one outlet hole, and wherein the labrynthine passage extends solely in a direction other than an axial direction with respect to the rotatable member.