Loading patent…
OwnerShivkumar Duraiswamy, Daniel Nullmeier +1inventors
InventorsShivkumar Duraiswamy, Daniel Nullmeier, Ferdinand Mulzer
Estimating the term…
In a drive train control arrangement for a motor vehicle drive train, which comprises at least one main drive train, a first drive axle driven permanently by means of the main drive train, at least one auxiliary drive train and a second drive axle coupleable to the main drive train via the auxiliary drive train, which has a first clutch unit and at least a second clutch unit connected downstream in the power train of the first clutch unit for connecting the second drive axle to the main drive train, and a control unit, which in at least one operating mode closes the at least one second clutch unit of the auxiliary drive train to shift into a standby operating mode when a defined operating condition is present, and with the standby operating mode activated, closes the first clutch unit of the auxiliary drive train to connect the coupleable second drive axle depending on at least one parameter.
A drive train control arrangement for a motor vehicle drive train, comprising at least one main drive train (10), a first drive axle drive-connected permanently by means of the main drive train (10), at least one auxiliary drive train (12) and a second drive axle (13) coupleable to the main drive train (10) by means of the auxiliary drive train (12), said auxiliary drive train (12) having at least a first clutch unit (14) and at least a second clutch unit (15) connected in the power train downstream of the first clutch unit (14), and a control unit (16), which in at least one operating mode,
A method for controlling a motor vehicle drive train, which comprises at least one main drive train (10), a first drive axle (11) drive-connected permanently by means of the main drive train (10), at least one auxiliary drive train (12) and a second drive axle (13) coupleable to the main drive train (10) by way of the auxiliary drive train (12), wherein the auxiliary drive train (12) has at least one first clutch unit (14) and at least one second clutch unit (15) connected downstream in the power train of the first clutch unit (14) by at least the following method steps:
Dependencies are inferred from the claim text.