Toyota Jidosha Kogyo Kabushiki Kaisha

Aisan Kogyo Kabushiki Kaisha

Ryozo Ito

Akira Tokuda

A Wankel type rotary engine comprising a rotor housing composed of an inner wall portion defining a trochoidal inner peripheral surface, an outer wall portion, enclosing said inner wall portion and stay portions interconnecting the inner and outer wall portions, while a cooling water passage is defined between the inner and outer wall portions, wherein an oscillation damping layer is provided on at least a part of the surface of the inner wall portion which faces the cooling water passage.

Rotary engine with an oscillation damping layer

A carburetor for use with a stratified charge rotary piston engine including a first supply system having a main fuel supply system and a slow/idle fuel supply system and adapted to supply a fuel-air mixture and a second supply system adapted to supply only air, wherein a second slow/idle supply system is provided to supply an additional fuel when an engine is operating in a slow speed or idling condition and/or the exhaust gas temperature of the engine is below a predetermined value.

Growing community of inventors

Toyota, Japan

Ryozo Ito