Usui Kokusai Sangyo Kaisha Limited

Yuuzo Hitachi

Masayoshi Usui

Katsushi Washizu

A device for the catalytic purification of automotive exhaust gas includes at least one inner casing housing an assembly of corrugated, or corrugated and flat, thin metal sheets carrying a catalyst thereon, and disposed between a gas inlet and a gas outlet which are adapted for connection to an exhaust pipe extending from an engine. An outer casing surrounds the inner casing in a speced apart relation therefrom, and is joined to it in a gastight way. The inner and outer casings define therebetween a closed space filled with a heat storing material which can collect and store the heat of exhaust gas.

Growing community of inventors

Tagata, Japan

Yuuzo Hitachi