초록 ▼

A vehicle provided with an engine 1 which generates a driving energy for the vehicle, planetary gears 4 and 6 comprising sun gears, planet gears and ring gears, motors 8 and 9 for respectively controlling the sun gears, and a clutch 14, the planet gears being connected to an input shaft driven by th

A vehicle provided with an engine 1 which generates a driving energy for the vehicle, planetary gears 4 and 6 comprising sun gears, planet gears and ring gears, motors 8 and 9 for respectively controlling the sun gears, and a clutch 14, the planet gears being connected to an input shaft driven by the engine and the ring gears connected to an output shaft for driving wheels, wherein gear ratios from the input shafts to the output shafts in the planetary gears 4 and 6 are set at a value different to each other. A stepless speed changing function which permits vehicular operation in a high engine efficiency region while minimizing an electrical energy loss is realized by a small-sized transmission using small-sized motors. The vehicle, which uses the transmission, can be operated in a high engine efficiency region while keeping an electrical energy loss to a minimum.

대표청구항 ▼

[ What is claimed is:] [1.]1. A transmission including a plurality of differential mechanisms in which motors control a difference in the number of revolutions between an input shaft and an output shaft thereof, said input shaft and said output shaft for said plural differential mechanisms being use

[ What is claimed is:] [1.]1. A transmission including a plurality of differential mechanisms in which motors control a difference in the number of revolutions between an input shaft and an output shaft thereof, said input shaft and said output shaft for said plural differential mechanisms being used in common, wherein gear ratios from said input shaft to said output shaft in said plural differential mechanisms are set at a value different to each other, and gear ratios from said input shaft to the motors in said plural differential mechanisms are set at a value different to each other.