TOROIDAL TYPE CONTINUOUSLY VARIABLE TRANSMISSION FOR VEHICLE

Japanese Patent JP3618967

B2

PROBLEM TO BE SOLVED: To prevent a shift control device from performing a sudden shift due to a difference between a transmission input rotating speed in an N range and an actual input rotating speed of a toroidal transmission unit even when a driver returns a select lever again to a D range after being switched to the N range from the D range when a vehicle travels.
SOLUTION: In a toroidal type continuously variable transmission for vehicle which has an advance-retreat switching mechanism, a pressing force generating mechanism 2 and a toroidal transmission unit 1 in order from the driving source side of a vehicle and is formed as a constitutive element of an automatic transmission together with a shift control device to control its actuation, a cutout 10a as a rotating speed detecting part is arranged in a loading cam 10 among a rotary member up to an input disc of the toroidal transmission unit from an output member of the advance-retreat switching mechanism mutually joined in driving regardless of the existence of rotational transmission in the advance- retreat switching mechanism, and a rotation sensor 28 detects a rotating speed of the loading cam 10 by detecting its notch 10a, and inputs it to the shift control device.

Toshifumi Hibi
Haruhito Mori
Masaki Nakano

JP21423597A

February 09, 2005

August 08, 1997

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Nissan Motor Co., Ltd

F16H61/00; F16H61/662; F16H61/664; F16H15/38; (IPC1-7): F16H15/38; F16H61/00

JP8296721A
JP478365A
JP61116166A
JP6229452A
JP639160Y2

Kosaku Sugimura

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