IC engine piston has annular cooling tube with inlet and outlet apertures for coolant which are connected to inlet and outlet tubes, assembly being manufactured as single unit before piston is cast on

摘要

The piston has an annular cooling tube (2). This has inlet (3) and outlet (6) apertures for coolant which are connected to inlet (7) and outlet (8) tubes. The assembly is manufactured as a single unit before the piston is cast on.