Toyota Jidosha Kabushiki Kaisha

Fujitsu Ten Limited

Hideki Tomoshige

Kou Tanigawa

Shigetaka Akahori

A fail-safe circuit of a fixed speed traveling apparatus wherein there are provided with a control valve for introducing an engine negative pressure to an actuator which controls a throttle opening degree, a release valve for introducing an atmospheric pressure to an actuator and a control circuit for controlling the control valve and the release valve. At brake ON, a first cancel signal is supplied to the control circuit for canceling a fixed speed traveling and to open a current passage of the release valve. A second cancel signal is generated to the control circuit in the case where the current passage of the release valve is open.

Growing community of inventors

Kobe, Japan

Hideki Tomoshige