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AssigneeZF Friedrichshafen AG
InventorsRico Glöckner, Migen Bebeti, Jan Döring
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The disclosure relates to a method for operating a drive train for a working machine, in which a working drive of the working machine is driven by a first electric motor via a first gear arrangement, a travel drive of the working machine is driven by a second electric motor via a second gear arrangement and, in a shifting procedure of the second gear arrangement, the rotational speed of the second electric motor is synchronised and the temperature of said second electric motor is recorded. In the disclosed method, the rotational speed is synchronised by supplying current to the second electric motor, and in the event of a threshold temperature being exceeded, at least one measure is carried out to relieve the thermal load of the second electric motor. The disclosure further relates to a corresponding drive train and to a working machine.
A method for operating a drive train for a working machine, wherein a working drive of the working machine is driven by a first electric motor via a first transmission arrangement, wherein a traction drive of the working machine is driven by a second electric motor via a second transmission arrangement, wherein, during a shifting operation of the second transmission arrangement, a speed synchronization of the second electric motor is carried out, and wherein a temperature of the second electric motor is detected, wherein the speed synchronization is carried out by energization of the second electric motor, and in that, if a limit temperature is exceeded, at least one active measure during the shift operation to relieve the the thermal load of the second electric motor, the measure comprising at least one of clutch-assisted synchronization, intensification of cooling, application of shift hysteresis, or drive reconfiguration to reduce load on the second electric motor.
A drive train for a working machine, wherein the drive train comprises:
Dependencies are inferred from the claim text.