Toyota Jidosha Kogyo Kabushiki Kaisha

Aisan Industry Co., Ltd.

Nippondenso Kabushiki Kaisha

Eizi Hiramatu

Shigeru Yoshida

Yasushi Nakagawa

Hidenori Sato

A device for controlling evaporative emission from an automobile, which device comprises, a casing accommodating fuel gas absorbing agents, a tank port adapted to communicate with a fuel tank of the automobile and having a first check valve for permitting the flow of fuel gas from the fuel tank into the casing, and a purge port adapted to communicate with an internal combustion engine and having a second check valve for permitting the flow of fuel gas from the casing to the engine. Each of the check valves of the first and second check valves comprises a check ball of metal, and a valve seat engaging with the check ball and being made of thin metal plate formed in one body with a reinforcement of plastic.

Growing community of inventors

Aichi, Japan

Eizi Hiramatu