发明名称 |
Poppet valve and method of manufacturing the same |
摘要 |
A valve stem (2) and a valve head (1) are separately formed, and the ends of the valve stem (2) and head (1) are joined by friction welding to form a valve element of a poppet valve (1). During welding, a burr (8) is transversely formed at the joined portion to form a receiving plate for preventing oil-down. <IMAGE> |
申请公布号 |
EP0770765(A1) |
申请公布日期 |
1997.05.02 |
申请号 |
EP19950116781 |
申请日期 |
1995.10.24 |
申请人 |
FUJI OOZX INC. |
发明人 |
KENMOKU, TAKEJI;HAMADA, AKIHIRO;UMINO, SHINICHI |
分类号 |
B23P15/00;F01L3/02;F01L3/06 |
主分类号 |
B23P15/00 |
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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