Piston for internal combustion engine and manufacturing method thereof

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United States of America Patent

PATENT NO 9581105
SERIAL NO

14966210

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Abstract

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A piston for an internal combustion engine includes a piston main body for the internal combustion engine, and a crosshatched groove being formed on a surface of the piston main body. The crosshatched groove includes a crosshatch angle that corresponds to a crossing angle of lines that configure a crosshatch, the crosshatch angle that is set at a range from equal to or greater than 15 degrees to equal to or less than 35 degrees.

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Patent Owner(s)

  • AISIN SEIKI KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hayashi, Takayuki Toyokawa, JP 137 1801
Kuniyasu, Atsushi Toyota, JP 1 3
Niimi, Takuya Handa, JP 9 33
Okamoto, Akihiro Nishio, JP 49 284
Okazaki, Ryo Kariya, JP 3 5

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