Loading patent…
AssigneeVolvo Lastvagnar AB
InventorsJohan Bjernetun, Anders Eriksson, Johnny Yngve
Estimating the term…
A method and device are provided for securing lubrication of an automated manual transmission, AMT, in a vehicle, when towing the vehicle, and where a transmission lubrication system is drivingly connected to and driven by rotation of an intermediate shaft of the AMT. The following steps can be executed in mentioned order and starting from when ignition of the vehicle is switched on: registering a signal that towing of the vehicle is demanded, disengaging all gears that are arranged to drivingly engage or disengage an input shaft to the intermediate shaft of the automated manual transmission, and engaging one gear that is arranged to drivingly engage or disengage the intermediate shaft to an output shaft of the automated manual transmission.
Method for securing lubrication of an automated manual transmission in a vehicle, when towing the vehicle, and where a transmission lubrication system is drivingly connected to and driven by rotation of an intermediate shaft of the automated manual transmission, characterized by the following steps executed in mentioned order:
An automated manual transmission in a. vehicle comprising an input shaft, an intermediate shaft and an output shaft with several different gears arranged to drivingly engage or disengage the input shaft to the intermediate shaft, and to drivingly engage or disengage the intermediate shaft to the output shaft, and where a transmission lubrication system is drivingly connected to and driven by rotation of the intermediate shaft, wherein a control unit (45) is arranged to disengage all the gears drivingly connecting the input shaft and the intermediate shaft and to engage one of the gears arranged to drivingly connect the intermediate shaft and the output shaft, upon registration of a signal that towing of the vehicle is demanded and in order to drivingly connect the lubrication system with driven wheels of the vehicle.
Dependencies are inferred from the claim text.