| 发明名称 |
VALVE SEAT RING FOR THE FASTENING IN CYLINDER HEADS OF INTERNAL COMBUSTION ENGINES |
| 摘要 |
A valve seat ring to be fastened in cylinder heads of internal combustion engines which includes a self-tapping thread by means of which the valve seat ring is secured in the material of the cylinder head.
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| 申请公布号 |
US3868953(A) |
申请公布日期 |
1975.03.04 |
| 申请号 |
US19720317780 |
申请日期 |
1972.12.22 |
| 申请人 |
DAIMLER-BENZ AKTIENGESELLSCHAFT |
发明人 |
ROLL, WALTER |
| 分类号 |
F01L3/22;F02F1/42;(IPC1-7):F01L3/22 |
主分类号 |
F01L3/22 |
| 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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