Patent ID: 7836859
Filing Date: 2010-11-23
Classification: F02F,F05C

Abstract:
1. A chain cover that covers a timing chain for transmitting the rotation of a crankshaft of an internal combustion engine to a camshaft, comprising: reinforcing ribs formed on an inner wall of the chain cover, wherein the reinforcing ribs include a first rib formed to extend downward from a middle portion to an outer peripheral portion of the chain cover; and a second rib formed to extend downward from the outer peripheral portion to the middle portion of the chain cover, the second rib is formed above the first rib, and the height of the second rib is lower than the height of the first rib; and an end portion of the second rib on the side of the middle portion of the chain cover is connected to a site of the first rib, which is close to the middle portion of the chain cover.