Hunton Andrews Kurth LLP
Piston for internal combustion engine, internal combustion engine including this piston, and manufacturing method of this piston
There is provided a piston for an internal combustion engine, the piston including: a heat-shielding film provided to an upper surface of a land part of the piston, the heat-shielding film having a lower thermal conductivity than a piston base material and having a lower heat capacity per unit volume than the piston base material; and a first heat-retaining film provided to a side surface of the land part, the first heat-retaining film having a lower thermal conductivity than the piston base material and having a higher heat capacity per unit volume than the heat-shielding film.
TOYOTA JIDOSHA KABUSHIKI KAISHA
F F F
F02F F02F F05C
inventional inventional additional
Hideo
Yamashita