Toyota Jidosha Kabushiki Kaisha

Hirokazu Hata

Yoshio Hasegawa

Kunihiko Hayashi

Syusaku Sugamoto

An engine cooling control deviceincludes: a housing portionA that has passages Pa, PAand PA; a rotorthat is provided in an intermediate portion M and has a rotation center at a position where at least two of distances between openings of the passages PA, PAand PAopening toward the intermediate portion M and the rotation center are different from each other; a sealing function portionA provided between the housing portionA and the rotor; an elastic memberthat is provided between the rotorand the sealing function portionA and individually biases the sealing function portionA toward each opening of the passages PA, PAand PAwith respect to different phases of the rotor

Engine cooling control device

A cooling system is incorporated into an engine cooling circuit including a pump for circulating a coolant of an engine and a radiator for cooling the coolant of the engine. The cooling system includes a first passage portion provided between the engine and a coolant outlet of the pump; a second passage portion provided between the engine and an coolant inlet of the pump, a rotary valve disc interposed in the passage portions and being rotatable so as to simultaneously control the coolant flowing through the first passage portion and the coolant flowing through the second passage portion.

Growing community of inventors

Susono, Japan

Hirokazu Hata