Motor vehicle with a multiple-clutch multiple-speed transmission
First Claim
1. A drive train for a motor vehicle, said drive train comprising:
- a drive unit;
a transmission having a first input shaft, a second input shaft, gears associated with said input shafts, and shifting members for engaging and releasing said gears;
a transmission actuating mechanism which exerts variably adjustable shifting forces on said shifting members in response to occurring shift demands;
a clutch device comprising a first clutch arrangement associated with the first transmission input shaft and a second clutch arrangement associated with the second input shaft for transmitting torque between the drive unit and the transmission;
a clutch actuating mechanism for actuating said clutch arrangements; and
a control device which allocates different shifting forces or shifting force curves to said shift demands based on at least one of input data, operating states of the transmission, operating states of the clutch device, operating states of the drive unit, and driving states of the motor vehicle.
1 Assignment
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Accused Products
Abstract
In a motor vehicle with a drivetrain having a multiple-clutch transmission, particularly a dual clutch device, and a corresponding transmission, an associated control device allocates different shifting forces or shifting force curves to occurring shift demands based on at least one of input data, operating states of the transmission, operating states of the clutch device, operating states of the drive unit, and driving states of the motor vehicle. By means of the actuating mechanism associated with or belonging to the transmission, respective gears are engaged with the respective associated shifting force or the respective associated shifting force curve and/or respective gears are released with the respective associated shifting force or with the respective associated shifting force curve.
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Citations
20 Claims
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1. A drive train for a motor vehicle, said drive train comprising:
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a drive unit;
a transmission having a first input shaft, a second input shaft, gears associated with said input shafts, and shifting members for engaging and releasing said gears;
a transmission actuating mechanism which exerts variably adjustable shifting forces on said shifting members in response to occurring shift demands;
a clutch device comprising a first clutch arrangement associated with the first transmission input shaft and a second clutch arrangement associated with the second input shaft for transmitting torque between the drive unit and the transmission;
a clutch actuating mechanism for actuating said clutch arrangements; and
a control device which allocates different shifting forces or shifting force curves to said shift demands based on at least one of input data, operating states of the transmission, operating states of the clutch device, operating states of the drive unit, and driving states of the motor vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A control device for a drive train of a motor vehicle, said drive train comprising a drive unit;
- a transmission having a first input shaft, a second input shaft, gears associated with said input shafts, and shifting members for engaging and releasing said gears;
a transmission actuating mechanism which exerts variably adjustable shifting forces on said shifting members in response to occurring shift demands;
a clutch device comprising a first clutch arrangement associated with the first transmission input shaft and a second clutch arrangement associated with the second input shaft for transmitting torque between the drive unit and the transmission; and
a clutch actuating mechanism for actuating said clutch arrangements;
said control device allocating different shifting forces or shifting force curves to said shift demands based on at least one of input data, operating states of the transmission, operating states of the clutch device, operating states of the drive unit, and driving states of the motor vehicle.
- a transmission having a first input shaft, a second input shaft, gears associated with said input shafts, and shifting members for engaging and releasing said gears;
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20. A method for shifting a transmission in a drive train of a motor vehicle, said transmission having a first input shaft, a second input shaft, gears associated with said input shafts, and shifting members for engaging and releasing said gears via an actuating mechanism which exerts variably adjustable shifting forces on said shifting members in response to occurring shift demands, said method comprising allocating different shifting forces or shifting force curves to said shift demands based on at least one of input data, operating states of the transmission, operating states of the clutch device, operating states of the drive unit, and driving states of the motor vehicle.
Specification