发明申请
- 专利标题： Valve Timing Control Apparatus for Internal Combustion Engine, and Method of Producing Same
- 专利标题（中）： 内燃机气门正时控制装置及其制作方法
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申请号： US12878448申请日： 2010-09-09
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公开(公告)号： US20110061616A1公开(公告)日： 2011-03-17
- 发明人: Atsushi WATANABE
- 申请人： Atsushi WATANABE
- 申请人地址： JP Hitachinaka-shi
- 专利权人： Hitachi Automotive Systems, Ltd.
- 当前专利权人： Hitachi Automotive Systems, Ltd.
- 当前专利权人地址： JP Hitachinaka-shi
- 优先权： JP2009-214723 20090916
- 主分类号： F01L1/34
- IPC分类号： F01L1/34
摘要：
A valve timing control apparatus for an internal combustion engine, includes a housing body, a sealing plate, a vane rotor, and a sealing ring. The housing body includes an opening at an axial end which is closed by the sealing plate. The sealing ring is disposed between the housing body and the sealing plate. The housing body is formed of an aluminum-based metal material and anodized, wherein the housing body includes a base layer and an anodic oxide coating film layer. The sealing ring abuts on the base layer of the housing body at the axial end.
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