Nichias Corporation

Yumex Corporation

Hideaki Madono

Kazuya Tominaga

Hideaki Shimamoto

Katsumi Tateiwa

Yasuhiko Fukumoto

Takashi Yasuda

Syuuichi Ishiwa

A structure of an exhaust manifold branch collecting portion includes a double collecting pipefor collecting a plurality of exhaust openingsA,A. The double collecting pipeis comprised of an inner pipe-and an outer pipe-, which are connected integrally to each other. In a space formed between the inner pipe-, the outer pipe-, and a ring-shaped stainless steel cushion member-, a tubular cushion member-, which is thermally expanded and foamed, is arranged as a restricted cushion structure.

Structure of an exhaust manifold branch collecting portion

Growing community of inventors

Tokyo, Japan

Hideaki Madono