Patent ID: 7162990
Filing Date: 2007-01-16
Classification: F02F

Abstract:
1. A two-part piston for an internal combustion engine, comprising: a) a piston head having a ring shaped circumferential channel and comprising: b) a piston skirt coupled to said piston head in an articulated manner; c) a piston pin, for coupling said piston skirt to said piston head; and d) a seal element wherein said ring shaped circumferential channel has an opening of which, facing said piston skirt, is closed off with said seal element; wherein said seal element has a first free end that is held between said piston head and said piston skirt, and wherein said seal element has a second free end that is held on said piston head by a spring element, and wherein said seal element has a bottom that lies on a surface of said piston skirt that faces said cooling channel.