COVER MEMBER OF INTERNAL COMBUSTION ENGINE

摘要

A cover of an internal combustion engine includes a cover body to be mounted to a crankcase of the internal combustion engine. The cover body includes a through hole, a protruding part, and a plurality of first recessed grooves. The through hole is to support a shaft rotatably. The protruding part is provided above the through hole in an upward direction of the internal combustion engine and protrudes toward an inside of the cover body facing the crankcase. The protruding part includes a first upper part and a first lower part in the upward direction on an inner surface of the protruding part facing the crankcase. The plurality of first recessed grooves extend radially from the through hole so as to connect the upper part and the lower part of the protruding part.

主权项

1. A cover member to be mounted on a crankcase of an internal combustion engine comprising a through hole for rotatably supporting a shaft, a protruding part being positioned above the through hole and protruding toward an inside of the cover member, and a plurality of recessed grooves extending radially from the through hole so as to provide a connection between an upper part and a lower part of an inner surface side of the protruding part.