Toyota Jidosha Kabushiki Kaisha

Kabushiki Kaisha Toyota Jidoshokki

Minoru Okimura

Noboru Takagi

Masahiko Asano

Naoto Hisaminato

Yasuhiro Yamamoto

Koji Inoue

Atsushi Komada

Shinya Wakabayashi

Ryota Takahashi

Seigaku Tanizawa

Hidenaga Kato

Masanao Koie

A cylinder head includes an exhaust port through which exhaust gas discharged out of a combustion chamber of an internal combustion engine passes. The cylinder head includes a first fin and a second fin projecting from an inner wall of the exhaust port and extending in a flow direction of the exhaust gas. The cylinder head includes a first projection projecting from the inner wall of the exhaust port and extending in a direction intersecting the first fin. The cylinder head also includes a second projection projecting from the inner wall of the exhaust port and extending in a direction intersecting the second fin.

Cylinder head

A cylinder head for an internal combustion engine, includes: first and second valves being intake valves or exhaust valves; a first circumferential wall portion defining a first port, the first port being opened and closed by the first valve and communicating with a combustion chamber; and a first overlay welded portion formed on the first circumferential wall portion and serving as a first valve seat on which the first valve is seated.

Cylinder head for internal combustion engine

Growing community of inventors

Toyota, Japan

Minoru Okimura