Transfer gearbox
AssigneeZF Friedrichshafen AG
InventorsDetlef Baasch, Ulrich Mair, Christoph Pelchen, Thomas Rosemeier
Life of this patent
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Abstract
A transfer case (12) for distributing a driving torque of an input shaft (19) between two drivable output shafts (22, 29) is described. The transfer case (12) is realized with two controllable and adjustable frictionally engaged clutches (k_VA, k_HA), which are arranged between the input shaft (19) and the output shafts (22, 29) and whose transfer capabilities can be respectively adjusted via separate actuating devices (10, 11). A driving torque can be distributed between the drivable output torques (22, 29) in dependence upon the set transfer capabilities of the clutches (k_VA, k_HA). One clutch (k_HA) can also be radially enclosed by the other clutch (k_VA).
Claims14
A transfer case (12) for distributing a driving torque of an input shaft (19) between a first and a second drivable output shafts (22, 29), the transfer case (12) comprising a first and a second controllable and adjustable frictionally engaged clutches (k_VA, k_HA) U each being arranged between the input shaft (19) and the respective first and second drivable output shafts (22, 29) and whose transfer capabilities can be independently adjusted via separate actuating devices (10, 11), a driving torque can be distributed between the two drivable output shafts (22, 29) in dependence upon set transfer capabilities of the clutches (k_VA, k_HA) and a first clutch (k_VA) is radially enclosed by a second clutch (k_HA).
A transfer case (12) for distributing a driving torque of an input shaft (19) between a first and a second drivable output shafts (22, 29), the transfer case (12) comprising:
- a first controllable and adjustable frictionally engaged clutch (k_VA) arranged between the input shaft (19) and the first drivable output shaft (22);
- a second controllable and adjustable frictionally engaged clutch (k_HA) arranged between the input shaft (19) and the second drivable output shafts (29)
- a first actuating device (10) for controlling the first controllable and adjustable frictionally engaged clutch (k_HA) and a second actuating device (11) for controlling the second frictionally engaged clutch (k_HA);
- and
- wherein the first clutch (k_VA) is coaxially aligned with and radially encompassed by the second clutch (k_HA) and one of the first and second clutches (k_HA, k_VA) is constantly operated free of slip while the other of the first and second clutches (k_HA, k_VA) is operated with a rotational speed difference.
Dependencies are inferred from the claim text.