| 主权项 |
1. A piston for an internal combustion engine, comprising: a piston head and a piston skirt together defining a reciprocating axis, the piston head including a piston crown, a circumferential fire land, a circumferential ring belt having a plurality of ring grooves and a circumferential cooling duct disposed radially inwards of the ring belt with respect to the reciprocating axis, wherein the cooling duct is open in a direction away from the fire land and is at least partially closed by a closure element, the cooling duct including a cooling duct bottom and a cooling duct ceiling, and wherein the piston skirt has at least two piston bosses connected to one another via at least two running faces, wherein one running face of the at least two running faces has an inner face connected via a connecting land to an underside of the piston head. |
