MULTIPLE-SPEED GEARBOX Russian patent published in 2016 - IPC F16H3/66 

FIELD: transport.

SUBSTANCE: invention relates to gearboxes. Claimed gearbox comprises the drive element (5), driven element (35), planetary Simpson mechanism (30), step-up planetary gearing (10) including the sun gear (S1), carrier (P1) and crown gear (R1) and is engaged with said mechanism (30). Simpson gearing comprises the common sun gear (S2b, S3), two crown gears (R2b, R3) and two carriers (P2b, P3). The gearbox comprises also the step-down gearing (20) incorporating sun gear (S2), carrier (P2) and crown gear (R2) engaged with the planetary Simpson mechanism (30) and step-up planetary gearing (10).

EFFECT: longer life.

32 cl, 30 dwg