Mazda Motor Corporation

Tetsuya Hanzawa

Tsunehiro Mori

Yasunori Kanda

Koichi Hirata

Shuji Takuma

Yukiyoshi Fukuda

Akira Sumitani

Yasuhiro Sudou

Kouji Kubo

Masakazu Kikuchi

Masahiro Koizumi

Kazuo Toyoda

Kazuya Nishimori

An engine piston structure includes: a piston (); a connecting rod () having a small end part () coupled to the piston (), and having a large end part () coupled to a crankshaft; a piston pin () through which the piston () and the small end part () of the connecting rod () are coupled together and which has a hollow cross section; and at least one dynamic vibration absorber () provided inside the piston pin () to reduce resonance of the piston (), the piston pin (), and the small end part () of the connecting rod () in combination with respect to the large end part () of the connecting rod () during a combustion stroke.

Piston structure for engine

Growing community of inventors

Higashihiroshima, Japan

Tetsuya Hanzawa