发明名称 |
Gasket containing fuel permeation barrier |
摘要 |
A method for reducing fuel permeation through gasketed joints in an internal combustion engine (10) includes surface treating the gaskets in a halogenated medium before placing them into service. A low-cost elastomer such as acrylic, EPDM or HNBR, can be used for the gasket body. The halogenated medium may comprise either a liquid bath or a gaseous bath, into which the gasket is immersed. The halogenated medium bath is excited by heating to accelerate the halogenation process. A gasket treated according to this invention possesses a chemically altered exterior surface which substantially enhances its fuel permeability resistance at relatively low cost.
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申请公布号 |
US7574990(B2) |
申请公布日期 |
2009.08.18 |
申请号 |
US20070743927 |
申请日期 |
2007.05.03 |
申请人 |
FEDERAL-MOGUL WORLD WIDE, INC. |
发明人 |
DEWALD RICHARD E.;RUEGER UTE;SMITH KERRY C.;WALZ TIMO;TRIPATHY BHAWANI S. |
分类号 |
F02B75/22 |
主分类号 |
F02B75/22 |
代理机构 |
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代理人 |
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地址 |
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