ALL-WHEEL DRIVE VEHICLE TRANSFER BOX Russian patent published in 2013 - IPC B60K17/346 F16H48/10 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry and may be used in all-drive wheel vehicle master differentials. Transfer box comprises crankcase, drive shaft 2, countershaft and hollow driven shaft 6 coupled by gearing. Besides, transfer box comprises master differential to distribute torque between front axle drive output shaft 12 and that of rear axle 21. Master differential comprises planetary train consisting of carrier 7 with plane pinions 18 coupled with driven shaft 6, sun gear 11 and crown gear 13, and two extra planetary trains and their shifting device. Every extra planetary train comprises sun gear and plane pinions arranged at carrier 7 of said first planetary train and engaged with plane pinions of the latter.

EFFECT: improved cross country capacity.

5 cl, 9 dwg