Jatco Corporation

Nissan Motor Company Limited

Jongkeun Lim

Hiroyasu Tanaka

Takuichiro Inoue

Makoto Komatsu

Takashi Koguchi

Sho Okutani

Junseok Choi

Kenji Hishida

Changnam Park

MyongSeog Chang

Youngjoo Woo

As a mode switching shift line when a sub-transmission mechanism is switched from a first-speed to a second-speed, a first mode switching shift line, which prioritizes a learning of a hydraulic pressure with which a Low brake starts to slip and a learning of a hydraulic pressure with which a High clutch starts to transmit a torque, or a second mode switching shift line, which is a shift line in a Low side with respect to the first mode switching shift line and prioritizes a fuel efficiency of an engine is selected, and the sub-transmission mechanism is switched from the first-speed to the second-speed on the basis of the selected mode switching shift line.

Control device for continuously variable transmission and control method of the same

A frictional engagement element () that disconnects power between an engine () and a drive wheel () in a vehicle, and a control unit () that controls a transmission ratio of a continuously variable transmission () and the frictional engagement element (), are provided. When the transmission ratio is not a maximum transmission ratio at a vehicle stop when a vehicle speed is 0, the control unit () operates the transmission ratio to the maximum transmission ratio while controlling the frictional engagement element () into a slip state. Further, at this time, when a road is an upward slope, the control unit () sets an engagement pressure of the frictional engagement element () and an engine torque according to the road slope, prevents slide-down of the vehicle.

Control device for continuously variable transmission

Growing community of inventors

Anyang-si, South Korea

Jongkeun Lim