发明名称 |
Gegassener Kolben mit verstärktem Brennraummulderand |
摘要 |
The piston which comprises a piston head having a crown surface, and a piston skirt extending downwardly from the piston head. A combustion bowl is formed in the piston head. The combustion bowl has a side wall and extends downwardly from the crown surface. A metal insert is provided in the piston head at the crown and defining an upper portion of the combustion bowl. The insert has an annular ring structure with a smooth outer wall and a flange which extends outwardly from a lower portion of the annular ring structure. The flange includes a row of scallop-shaped protrusions along an outer peripheral edge of it. The metal insert provides an undercut structure in the side wall. |
申请公布号 |
DE69706095(D1) |
申请公布日期 |
2001.09.20 |
申请号 |
DE1997606095 |
申请日期 |
1997.05.13 |
申请人 |
KARL SCHMIDT UNISIA, ZOLLNER DIVISION |
发明人 |
WHITACRE, JOHN P.;CASTLEMAN, JEFFREY L. |
分类号 |
B22D19/00;F02B3/06;F02B23/06;F02F3/04;(IPC1-7):F02B23/06 |
主分类号 |
B22D19/00 |
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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