Patent ID: 8932173
Filing Date: 2015-01-13
Classification: F16H,Y10T

Abstract:
1. An automated manual transmission for a vehicle, comprising: an input shaft and an output shaft disposed parallel to each other; a plurality of external gear trains, each comprising at least two external gears that are coaxially provided on the input and output shafts, respectively, and engaging with each other to form one of a series of gear stages; a plurality of planetary gear devices, each connecting one of the at least two external gears in a corresponding external gear train, to one shaft of the input shaft or the output shaft such that a state of transmitting rotating force to the one shaft on which the one of the at least two external gears is provided, can be changed, wherein the one of the at least two external gears is relatively rotatable with respect to the one shaft; a plurality of friction elements, each provided to control rotation of a rotational element of a corresponding planetary gear device in the plurality of the planetary gear devices; and a controller controlling the friction elements in accordance with driving conditions of the vehicle, thereby shifting the gear stages, wherein another of the at least two external gears in each of the external gear trains is fixedly connected with another of the input shaft or the output shaft.