发明名称 |
Light weight engine poppet valve |
摘要 |
<p>A lightweight engine poppet valve (10) that has a valve head portion (16) made from a lightweight, heat resistant material is attached to a hollow tube stem portion (12). The attachment is made with a mechanically locking interfitting joint (36) on an extending portion (34) of the valve head (16) at a preselected distance. Preferably, the mechanically locking interfitting joint (36) is a hydroformed joint. <IMAGE></p> |
申请公布号 |
EP1441111(B1) |
申请公布日期 |
2008.07.30 |
申请号 |
EP20040000068 |
申请日期 |
2004.01.05 |
申请人 |
EATON CORPORATION |
发明人 |
CECUR, MAJO;QUERIO, MARCO;SHUBHAYU, SINHAROY;NARASIMHAN, SUNDARAM L.;MASELLO, JOSE F. |
分类号 |
F01L3/02;B21K1/22;B23P15/00;F01L3/04;F01L3/14;F01L3/20 |
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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