| 摘要 |
A piston ring assembly for an internal combustion engine is provided. The piston ring assembly includes a plurality of seal rings, i.e., a first seal ring and a second seal ring. The seal rings are positioned on at least a portion of a piston crown periphery axially and radially adjacent to each other within the internal combustion engine and at least a portion of the first seal ring at least partially extends over at least a portion of the second seal ring. |
