ALL-WHEEL DRIVE VEHICLE MASTER DIFFERENTIAL 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. Master differential comprises input shaft 1, rear axle drive shaft 2, front axle drive shaft 3 arranged coaxially in crankcase 4, carrier 5 with face disc 6 engaged with input shaft 1, three paired differential pinions 7, 8, crown gear 10 and two sun gears 11. Differential front splined coupling gets into engagement with ring gear 13 of crown gear 10 and, via the latter, with sun gear 11 of shaft 3. In second gear set by increased pressure in rear chamber by ring piston, splined coupling gets engaged with ring gear of sun gear 12 of shaft 2.

EFFECT: increased flotation.

4 dwg