Patent ID: 6837206

Claim:
An internal combustion engine, comprising: a) a crankcase having a body formed by a floor and a plurality of side walls, the floor and side walls defining an interior volume; b) the side walls having an interior surface facing the interior volume and an end surface opposite the floor; c) the end surfaces of the side walls defining an opening in the body; d) a cover covering the opening, the cover having an inside surface facing the interior volume, and having an internally threaded aperture; e) a channel formed by a plurality of walls extending from the cover inside surface; f) a plate, covering the channel to form a passage having an inlet and an outlet to allow the flow of fluid through the passage from the inlet to the outlet, and having a fastening aperture aligned with the internally threaded aperture; g) a threaded member, inserted through the fastening aperture, and threaded into the internally threaded aperture to secure the plate to the inside surface of the cover; and h) the inlet and the outlet being formed by at least one aperture in the passage.