PLANETARY GEARBOX FOR TRANSMISSION OF TRACKED MILITARY VEHICLE Russian patent published in 1997 - IPC

FIELD: militar armored vehicles. SUBSTANCE: planetary gearbox has drive shaft, three planetary gear trains with four control members including three brakes and one friction clutch, and output shaft. Planetary gear trains have common carrier coupled with output shaft and, through friction clutch, with sun gear of first planetary train coupled with first brake. Sun gears of second and third planetary trains are coupled with drive shaft. Epicycles of first and second trains are coupled with each other and with second brake, and epicycle of third train, with third brake. EFFECT: enlarged operating capabilities. 4 cl, 6 dwg