MODULE AUTOMATIC STEPPED PLANETARY GEARBOX Russian patent published in 2014 - IPC F16H3/44 

FIELD: transport.

SUBSTANCE: invention relates to modular A/T. Modular gearbox has planetary system composed of universal range differential wherein spider (5) with three pairs of engaged three-rim pinions is shared by 1^st, 2^nd and 3^rd rows spider, 1^st planetary row crown wheel, 2^nd row crown wheel and 3^rd row central sun gear are engaged by friction brakes with gearbox crankcase. Crown wheel makes an output link of gearbox. Said A/T universal range differential and extra planetary rows allows various design versions.

EFFECT: higher efficiency of gearbox.s

6 cl, 6 dwg