METHOD OF GROUP TRANSMISSION OPERATION Russian patent published in 2014 - IPC F16H61/70 

FIELD: transport.

SUBSTANCE: invention relates to method of vehicle group transmission operation. The group transmission includes one multiple-speed main gearbox (HG), splitter (GV) installed before or behind it and/or rear splitter (GP) installed before or behind it. The main gearbox (HG) is made in structure with intermediate shafts with one intermediate shaft (W_VG1, W_VG2). Herewith, group transmission input shaft (W_GE) is engaged with drive unit via separating clutch (K), and group transmission output shaft (W_GA) is engaged with the main gear. To start drive unit the splitter (GV) and/or rear splitter (GP) installed before the main gear is shifted in neutral position, or when drive unit is switched off the splitter (GV) installed before the main gearbox (HG) and/or the rear splitter (GP) installed before it is shifted in neutral position.

EFFECT: improvement of drive unit starting.

11 cl, 2 dwg