Cylinder block for multi-cylinder piston engine has bushes with thin walls for at least half their length

摘要

The cylinder block has bushes (16) with a thin-walled sector covering at least half its length. The bushes are fitted dry. For the rest of their length, the wall thickness is greater and they are fitted wet. They are supported axially by an annular shoulder in the casing (12). The bushes come against each other at flat spots (24) on their external surfaces.