Cylinder crankcase used for I.C. engines comprises a crankcase and a cylinder block connected to a cylinder bushing by friction welding at the end facing the housing

摘要

Cylinder crankcase comprises a crankcase (2) and a cylinder block (3) connected to a cylinder bushing (4) by friction welding at the end facing the housing. Preferred Features: The cylinder bushing consists of a spray-compacted aluminum-silicon alloy containing at least 20 weight % silicon. The cylinder block has a rotationally symmetrical supporting zone next to the connecting region (18) to support the cylinder bushing.