AUTOMATIC TRANSMISSION (VARIANTS) Russian patent published in 2016 - IPC F16H3/62 

FIELD: transport.

SUBSTANCE: invention relates to gearboxes. The transmission comprises the input shaft, planetary gearing with the 1^st, 2^nd, 3^rd and 4^th reduction gears and clutches. Every reduction gear includes the sun gear, crown gear, carrier and plane pinions. The input shaft is engaged with the 3^rd carrier. The 1^st carrier and 2^nd sun gear are fixed while 2^nd carrier and 3^rd crown gear are engaged. The 3^rd and 4^th sun gears are engaged while the input shaft is engaged with the 4^th carrier. The 1^st clutch engages selectively the 2^nd crown hear with the 3^rd and 4^th sun gears. The 2^nd clutch engages selectively the 3^rd carrier with the 2^nd crown gear. The 4^th clutch engages selectively two elements of the 4^th reduction gear. The 5^th clutch engages selectively the 4^th carrier with the 2^nd carrier.

EFFECT: simplified design.

8 cl, 3 dwg