18442536. DRIVE DEVICE (TOYOTA JIDOSHA KABUSHIKI KAISHA)
DRIVE DEVICE
Organization Name
TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor(s)
Koichi Okuda of Toyota-shi (JP)
Atsushi Tabata of Okazaki-shi (JP)
DRIVE DEVICE
This abstract first appeared for US patent application 18442536 titled 'DRIVE DEVICE
Original Abstract Submitted
A drive device installed in a vehicle includes a case including an electric motor chamber, a terminal block chamber, and a gear chamber, an electric motor, a terminal block, a speed reducer, and a hypoid gear. A first through hole is provided in a partition wall between the electric motor chamber and the terminal block chamber. A second through hole is provided in a partition wall between the terminal block chamber and the gear chamber. The electric motor includes a rotor shaft extending from the electric motor chamber through the first through hole, the terminal block chamber, and the second through hole, to the gear chamber. A gap between the rotor shaft and the second through hole is sealed by an oil seal. A first lubricating oil is accommodated in the electric motor chamber and the terminal block chamber. A second lubricating oil is accommodated in the gear chamber.