发明名称 |
PISTON RING |
摘要 |
The present invention relates to a piston ring, particularly designed for use in the groove of a piston of an internal combustion engine and/or a compressor, provided with a metallic base (10) having chamfers (15) in its final dimension and to which one applies nitriding consisting exclusively of a nitrided diffusion layer (5), without the need for subsequent machining and guaranteeing a considerable improvement in the mechanical properties of the component, more concretely with regard to residual compressive tensions and fatigue resistance. |
申请公布号 |
EP2746624(B1) |
申请公布日期 |
2015.12.30 |
申请号 |
EP20120781266 |
申请日期 |
2012.08.17 |
申请人 |
MAHLE METAL LEVE S/A;MAHLE INTERNATIONAL GMBH |
发明人 |
FAVARON, RODRIGO;MARQUES, GISELA ABLAS |
分类号 |
F16J9/26;C23C8/26;C23C16/00 |
主分类号 |
F16J9/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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