发明授权
- 专利标题: Piston for internal combustion engine
- 专利标题(中): 内燃机活塞
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申请号: US239763申请日: 1988-09-02
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公开(公告)号: US4955353A公开(公告)日: 1990-09-11
- 发明人: Atsushi Amataka , Kazumitsu Kushida , Koji Nakajima , Hitoshi Yamamoto
- 申请人: Atsushi Amataka , Kazumitsu Kushida , Koji Nakajima , Hitoshi Yamamoto
- 申请人地址: JPX Tokyo
- 专利权人: Honda Giken Kogyo Kabushiki Kaisha
- 当前专利权人: Honda Giken Kogyo Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX62-227788 19870911
- 主分类号: F02F3/00
- IPC分类号: F02F3/00 ; C25D11/04 ; F02B3/06 ; F02F3/12
摘要:
A piston head for an internal combustion engine is provided containing a polished nickel plated layer formed in the piston top and an anodized layer formed on at least the lower part of the uppermost piston ring groove in order to reduce the adverse affects of excessive thermal conditions on the member.
公开/授权文献
- US5644749A Parallel computer and processor element utilizing less memory 公开/授权日:1997-07-01
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