Distributor transmission having at least three shafts
AssigneeZF Friedrichshafen AG
InventorsChristoph Pelchen, Uwe Griesmeier, Ulrich Mair, Ünal Gazyakan
Life of this patent
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Abstract
A distributor transmission (8) having at least three shafts (11, 12, 13) for distributing a drive torque (M_GE) as needed to at least two drive axles (4, 5). A first shaft (11) is operatively connected with the first drive axle (5) and can be loaded with the drive torque (M_GE). The second shaft (12) is operatively connected with the second drive axle (4) and a torque (M_E) of a machine device (14) on a third shaft (13) can be applied which influences a degree of distribution (P_VA/P_GES) of the drive torque (M_GE) between the drive axles (4, 5).
Claims7
A distributor transmission (8) for distributing an input drive torque (M_GE) from an engine (2) and a main transmission (3) between a first drive axle (5) and a second drive axle (4), the distributor transmission (8) comprising:
- a first countershaft (15) connected to the first drive axle (5) for transmitting a first portion of the input drive torque (M_GE) to the first drive axle (5);
- a second countershaft (24) connected to the second drive axle (4) for transmitting a second portion of the input drive torque (M_GE) to the second drive axle (4);
- a first planetary gear set (8A) and a second planetary gear set (8B) having
- a first shaft (11) forming a common ring gear (17) for the first and the second planetary gear sets (8A,8B) and driven by the first countershaft (15);
- a second shaft (12) formed as a planetary carrier (22) of the second planetary gear set (8B) and driving the second countershaft (24);
- and
- a third shaft (13) driving a sun gear (25) of the first planetary gear set (8A) and driven by a machine device torque (M_E) from a machine device (14);
- wherein, during operation of the distributor transmission (8), the machine device torque (M_E) controls distributor of the first portion of the input drive torque (M_GE), transmitted to the first drive axle (5), and the second portion of the input drive torque (M_GE), transmitted to the second drive axle (4).
Dependencies are inferred from the claim text.