发明名称 |
Composite lightweight valve for internal combustion engines |
摘要 |
In a composite lightweight valve for internal combustion engines having a solid valve head provided with a center opening and a valve stem received in the center opening of the valve head in a positively locking manner, the valve components are permanently joined to one another by hot upsetting so as to be capable of withstanding the thermal and mechanical effective during engine operation.
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申请公布号 |
US6553956(B2) |
申请公布日期 |
2003.04.29 |
申请号 |
US20010922229 |
申请日期 |
2001.08.04 |
申请人 |
DAIMLERCHRYSLER AG |
发明人 |
HORA PAVEL;SCHLEGL MARTIN;THIEMANN KARL-HEINZ |
分类号 |
F01L3/02;F01L3/20;F02B23/10;F02F1/38;F02F1/42;(IPC1-7):F02N3/00 |
主分类号 |
F01L3/02 |
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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