Sliding element in an internal combustion engine, in particular a piston ring

Sliding element in an internal combustion engine, in particular a piston ring

  • CN 102,171,383 A
  • Filed: 08/26/2009
  • Published: 08/31/2011
  • Est. Priority Date: 10/10/2008
  • Status: Active Application
First Claim
Patent Images

1. the sliding component in the oil engine, particularly a kind of piston ring, it has the coating that has following each layer from outside to inside at least:

  • -the first carbon based layer,-the second carbon based layer, the hydrogen that it is harder than described first carbon based layer and/or have smaller scale;

    -PVD layer and-bonding coat.

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