PISTON ASSEMBLY

摘要

An exemplary piston assembly and method of making the same are disclosed. A piston assembly may include a piston crown and piston skirt. The crown may include a ring belt portion defining at least in part a cooling gallery, as well as radially inner and outer crown mating surfaces. The skirt may be received in a central opening of the crown such that the crown and skirt cooperate to form an upper combustion bowl surface. The skirt also may include radially inner and outer skirt mating surfaces that are abutted with the inner and outer crown mating surfaces, respectively, such that the cooling gallery is generally enclosed by the skirt.