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公开(公告)号:WO2011154606A1
公开(公告)日:2011-12-15
申请号:PCT/FI2011/050536
申请日:2011-06-08
Applicant: WÄRTSILÄ FINLAND OY , HARALDSON, Lennart , SUNDÉN, Hans , VILHELMSSON, Fredrik
Inventor: HARALDSON, Lennart , SUNDÉN, Hans , VILHELMSSON, Fredrik
CPC classification number: F02F1/004 , C23C4/01 , C23C4/06 , C23C30/00 , F02F2001/006
Abstract: A cylinder liner (1) of a reciprocating engine, the cylinder liner (2) having an inner surface (3) acting as a running surface (4) for piston rings (5), which running surface (4) comprises an upper portion (U) and a lower portion (L). The upper portion (U)includes at least a top dead centre region of a topmost piston ring (5). Only the upper portion (U) of the running surface (4) is provided with a coating(7) of metal matrix composite reinforced with ceramic particles.
Abstract translation: 一种往复式发动机的气缸套(1),气缸套(2)具有用作活塞环(5)的运行表面(4)的内表面(3),该运行表面(4)包括上部 U)和下部(L)。 上部(U)至少包括顶部活塞环(5)的上止点区域。 只有运行表面(4)的上部(U)设置有用陶瓷颗粒增强的金属基复合材料的涂层(7)。