发明名称 Piston ring for piston engine, with diamond-like coating
摘要 A piston engine piston ring (5) made in stainless steel has a coating of DLC (diamond-like carbon) (15) on its outer circumference. The DLC is extremely hard and minimizes friction between the piston and cylinder lining.
申请公布号 DE19825860(A1) 申请公布日期 1999.12.16
申请号 DE19981025860 申请日期 1998.06.10
申请人 ELGAN-DIAMANTWERKZEUGE GMBH & CO. KG 发明人 SCHMID, JOSEF
分类号 F16J9/26;(IPC1-7):F16J9/26;F02F5/00 主分类号 F16J9/26
代理机构 代理人
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