A current gear ratio obtainer (64) configured to obtain a current gear ratio (76) as a ratio of an output revolutions number (74) of a drive section (4) and an output revolutions number (75) of the transmission; a current electric current value obtainer (6...

An electromagnetic valve control device includes: a control signal generator (88) configured to, through feedback control involving an environmental coefficient (95), generate a control signal intended for the at least one electromagnetic valve (52A, 52B) ...

A transmission () as a power transmission device for a vehicle comprises an input shaft (), an output shaft (), and a planetary continuously variable transmission mechanism (). The planetary continuously variable transmission mechanism () comprises a plane...

The drive has a mechanical distribution gearbox arranged between a drive shaft (1) and an output shaft (7). A continuously adjustable hydrostatic transmission works together with the distribution gearbox. A supporting frame (36) of the hydrostatic transmis...

A planetary gear unit (3) is connected to transmission input shaft (4) and variator (2). A gearbox (5) is coupled in region in conjunction with the variator, so that multiple translation domains are displayed. The planetary gear unit and the gearbox are co...

The drive system has an internal combustion engine (38) that can be operated to engage elements via a gearbox (66) with at least two freely selectable gear stages for driving the machine, whereby a controller (40) is connected to a gear selection actuator ...

A hydrostatic gearbox (62) with a variable transmission ratio links to a secondary gearbox (8) that has two gear speeds and connects to a driven shaft (7) in the hydrostatic gearbox, which in turn has a hydraulic pump (4) and a hydraulic motor (6) connecte...