Crankshaft for multi-cylinder IC engine consists of shaft with journals and crankpins joined to journals by arms, at least one of arms having reinforcing boss on opposite side to crankpin

摘要

The crankshaft for a multi-cylinder IC engine consists of a shaft (1) with journals (2) and crankpins (3) joined to the journals by arms (4). At least one of the arms has a reinforcing boss ( 6) on the opposite side to the crankpin.