PLANETARY GEARBOX Russian patent published in 2019 - IPC F16H3/44 B60K17/08 

FIELD: machine building.

SUBSTANCE: invention relates to the machine building. Planetary gearbox comprises input, intermediate and output shafts, four single-row planetary gears (PG), two friction clutches and four brakes. Box has second reverse gear, first friction clutch is connected to input and intermediate shaft, with sun gear and carrier of first PG and epicyclic gear of second PG, second friction coupling is connected to the intermediate shaft, to the carrier of the first PG, to the epicyclic gear and the carrier of the second PG, to the epicyclic gear of the third PG, to the carrier of the fourth PG and to the output shaft of the gearbox, the intermediate shaft is connected to the carrier of the first PG and to the epicyclic gear of the second PG, carrier of second PG is connected with epicyclic gear of third PG, with carrier of fourth PG and output shaft of gearbox, sun gear of second PG is connected with sun gear of third PG, carrier of third PG is connected with sun gear of fourth PG, and brakes are installed on epicyclic gears of the first and fourth PM, on sun gear of the second PG and on the carrier of the third PG.

EFFECT: improved design of gearbox, increased kinematic range.

1 cl, 1 tbl, 1 dwg