Patent ID: 6308695
Filing Date: 2001-10-30
Classification: F01M,F02B

Abstract:
An engine for an motor, the engine having a cylinder block interposed between a cylinder head and a crankcase, the engine further comprising a cam cover attached to the cylinder head to enclose a cam chamber within the cylinder head, the cam chamber containing a valve operating mechanism, a lubricant vapor separator located on the cam cover outside of the cam chamber, the separator including an upper opening communicating with a separator chamber, the chamber in communication with the cam chamber through at least the upper opening, the separator also including an intermediate opening through which ventilation gases are vented for recirculation through the engine, and a lower opening through which lubricant, separated from the ventilation gases, flows from the vapor chamber into the cam chamber, the cam cover further comprising an oil fill port, the oil fill port including an aperture extending through the cam cover, at least a portion of the aperture positioned to lie at least generally vertically as high as the lower opening of the separator.