HYDROMECHANIC TRANSMISSION Russian patent published in 2015 - IPC F16H47/08 F16H3/44 

FIELD: transport.

SUBSTANCE: automatic transmission implementing nine forward gears and one reverse gear contains casing (19), input link (20), output link (21), hydrodynamic torque converter and planetary reduction gear. The planetary reduction gear comprises four planetary gear sets, three controlled clutches and three controlled brakes. The planetary reduction gear consists of four planetary gear sets. The first planetary gear set consists of a central gear (3), carrier (2) for satellites and a crown gear (1). The second planetary gear set consists of a central gear (6), carrier (5) for satellites and a crown gear (4). The third planetary gear set consists of a central gear (9), carrier (8) for satellites and a crown gear (7). The fourth planetary gear set consists of a central gear (12), carrier (11) for satellites and a crown gear (10). The input link (20) is connected by clutch (16) with interconnected crown gear (10) of the fourth planetary gear set and carrier (8) of the third planetary gear set. The input link (20) connected with output link (22) of hydrodynamic torque converter is connected by clutch (17) with central gear (12) of the fourth planetary gear set. The central gear (6) of the second planetary gear set is connected with the input link (20). The output link (21) connects to interconnected carrier (11) of the fourth planetary gear set and epicycle (7) of the third planetary gear set. Brake (14) connects with transmission casing (19) the interconnected crown gear (1) of the first planetary gear set and carrier (5) of the second planetary gear set. Brake (13) connects with transmission casing (19) the central gear (3) of the first planetary gear set. Brake (15) connects with transmission casing (19) the interconnected carrier (8) of the third planetary gear set and crown gear (10) of the fourth planetary gear set. Clutch (18) connects the central gear (4) of the second planetary gear set with interconnected carrier (2) of the first planetary gear set and central gear (9) of the third planetary gear set.

EFFECT: simplified design of device.

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