TWO-STEP PLANETARY TRANSFER CASE Russian patent published in 2005 - IPC

FIELD: transport engineering.

SUBSTANCE: invention relates to drives of all-wheel-drive cross-country vehicles designed for riding along roads and off-road. Proposed two-step planetary transfer case contains upper planetary reduction gear providing two speeds of transfer case, intermediate shaft with gear 5 and lower planetary reduction gear being essentially differential drive for rear and front driving axles. Driving member of upper planetary reduction gear is crown gear 9 stationary connected with drive shaft 8, driven member is carrier 13 and controlled member is central gear 11. Gears of upper planetary reduction gear, driving gear 4, intermediate gear 5 and driven gear 6 and gears of lower differential mechanism are arranged in one row one over the other.

EFFECT: reduced overall dimensions adapted for mounting transfer case on vehicles.

1 dwg