发明名称 |
VALVE STEM SEAL FOR A COMBUSTION ENGINE |
摘要 |
A valve stem seal (10) for a combustion engine may comprise a cylindrical body (12) including a mounting portion (16) and a valve stem sealing portion (14) integrally formed with the mounting portion (16), and an o-ring (26) configured for sealing engagement with a valve stem reciprocating in a valve guide (40) of a valve of the combustion engine. The mounting portion (16) may define an opening (18) for receiving an upper end (43) of the valve guide (40) and may be configured for substantially fluid-tight engagement with the upper end (43) of the valve guide (40). The valve stem sealing portion (14) may include an annular groove (22) formed in an inner surface of the cylindrical body (12). The o-ring (26) may be received in the annular groove.
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申请公布号 |
US2013000588(A1) |
申请公布日期 |
2013.01.03 |
申请号 |
US201213537286 |
申请日期 |
2012.06.29 |
申请人 |
CATERPILLAR MOTOREN GMBH & CO. KG;BARTEL HARTMUT;HEROLD HENDRIK;EHLERT OLE;HOLST ULRICH;RODENBECK JAN |
发明人 |
BARTEL HARTMUT;HEROLD HENDRIK;EHLERT OLE;HOLST ULRICH;RODENBECK JAN |
分类号 |
F01L3/08;B21K3/00;F02F11/00 |
主分类号 |
F01L3/08 |
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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