| 发明名称 |
HELICAL COMPRESSION SPRING FOR AN OIL RING OF A PISTON IN A MOTOR AND METHOD THEREFOR |
| 摘要 |
<p>A helical compression spring, preferably of steel, in particular CrSi steel or CrNi steel, comprises a coating which has at least one a-C:H: Me coating or a plurality of layers of CrN (16) and a-C:H: Me coatings (14) alternately. In a method for coating a helical compression spring, preferably of steel, a plurality of layers of CrN and a-C:H: Me coatings are applied alternately.</p> |
| 申请公布号 |
EP2545201(B1) |
申请公布日期 |
2014.05.21 |
| 申请号 |
EP20110703904 |
申请日期 |
2011.02.17 |
| 申请人 |
FEDERAL-MOGUL BURSCHEID GMBH |
发明人 |
KENNEDY, MARCUS;BRILLERT, HANS-RAINER;ZINNABOLD, MICHAEL |
| 分类号 |
C23C28/00;C23C28/04;C23C30/00;F16J9/06 |
主分类号 |
C23C28/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
