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

FIELD: engines and pumps.

SUBSTANCE: invention relates to planetary multi-speed gearbox. The gearbox comprises housing (1) accommodates four planetary rows (4-7) and several shafts with shifting elements composed of at least one brake (8, 9) and clutches. Drive shaft (2) is engaged with the thirds planetary row carrier (6) and can be engaged via the first clutch (10) with the third shaft (14) engaged with the second planetary shaft crown gear (5 and, via second clutch (11), can be engaged with and disengaged from the fourth shaft (15, 27, 37, 39) engaged with the third planetary row sun gear (6). The fifth shaft (16, 24) is engaged with the second planetary row sun gear (5) and can be fixed via the first brake (8) with the housing (1). The sixth shaft (17, 20) engages with the third planetary row crown gear (6) with the second planetary row carrier (5). Note here that the drive shaft (3, 23, 30, 31, 34, 38, 41) is engaged with the fourth planetary row carrier (7).

EFFECT: simplified design.

20 cl, 13 dwg