Toyota Jidosha Kabushiki Kaisha

Hisashi Watanabe

Shinya Fukuda

Hiroaki Takeuchi

Shinichi Nakamura

Hisao Hara

Shogo Tokutake

Masanori Iritani

Koji Katsuno

Ryousuke Tairadate

Front portion of a motor vehicle and/or toy replica thereof

Motor vehicle and/or toy replica thereof

Front grille for an automobile

Front bumper for an automobile

Automobile

A torque converter provided with a lock-up clutch and including a pump impeller, a turbine runner, a turbine hub, a stator, a clutch piston rotatable with the turbine runner and cooperating with the pump impeller to define an engaging chamber, a front cover cooperating with the clutch piston to define a releasing chamber and a friction member attached to the front cover, and wherein the lock-up clutch is placed in a slipping state for slipping engagement between the clutch piston and the front cover through the friction member, by a controlled difference between pressures of a working fluid in the engaging and releasing chambers, and the pump impeller and the stator cooperate to define of a first and a second fluid passage both of which communicate with the engaging chamber, while the stator and the turbine hub cooperate with each other to define the other of the first and second fluid passages, and wherein the lock-up clutch is brought into the slipping state with a supply flow of the fluid into the engaging chamber through the first fluid passage and a discharge flow of the fluid from the engaging chamber through the second fluid passage.

Torque converter provided with lock-up clutch and arranged for efficient heat dissipation

Growing community of inventors

Aichi-ken, Japan

Hisashi Watanabe