| 摘要 |
Inwardly biassed sealing (6) for a piston ring assembly (3), where one end (13) of the sealing ring (6) is provided with a narrow protruding part (14), and the other ring end (12) is provided with a gap (15) correspondingly shaped to accommodate the narrow protruding part (14) with a tight fit; the mating surfaces (16) and (17) of the two ends (12) and (13) respectively, extend from the ring surface (18) mating with the inner wall of the piston groove (4) to the flat ring surface (19) mating with the piston ring (5). |
