Arctic Cat Inc.

Bradley Mauch

Ryan Robert Eberhardt

A system for and method of separating oil from crankcase air is provided. The system includes replacing a standard shaft, such as a water pump shaft, with a breather shaft of the present invention and venting crankcase air through the breather shaft to an outside volume of air, such as in an air box. The breather shaft includes a centrifuge positioned within an interior volume of the crankcase and a first portion extending from the centrifuge through a wall of the crankcase. The centrifuge defines a plurality of inlet passageways extending from an outer surface of the centrifuge towards an interior area of the centrifuge. The first portion of the breather shaft defines a venting passageway extending from the interior area of the centrifuge to a vent opening at a distal end of the breather shaft.

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Thief River Falls, MN, United States of America

Bradley Mauch