HYBRID DRIVE FOR A VEHICLE
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Abstract
The invention proposes a hybrid drive for a vehicle with a power train, which has a first electric machine (4), which is permanently connected to an input shaft (3) of the vehicle transmission (2) arranged between an internal combustion engine (1) and a vehicle transmission (2) with changeable gear ratio, and which can be operated as an engine or as a generator, and a hydraulic pump (5) for the vehicle transmission (2), in which at least one first shiftable clutch device (7) is arranged between the internal combustion engine (1) and the vehicle transmission (2), and in which the hydraulic pump (5) is torque-proof connected to the input shaft (3) of the vehicle transmission (2). A hybrid drive is also proposed, which comprises two electric machines, in which the hydraulic pump (5) is coupled via at least one element for force transfer to the input shaft (3) of the vehicle transmission (2).
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Citations
42 Claims
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1-21. -21. (canceled)
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22. A hybrid drive for a vehicle with a power train, the hybrid drive comprising:
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an electric machine (4) permanently connected to an input shaft (3) of a vehicle transmission (2), between an internal combustion engine (1) and the vehicle transmission (2), and the electric machine having a changeable gear ratio and being operable as one of an engine and a generator; a hydraulic pump (5) for the vehicle transmission (2), the hydraulic pump (5) being connected to the input shaft (3) of the vehicle transmission (2) in a rotationally fixed manner; and at least one first shiftable clutch device (7). - View Dependent Claims (31, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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23. A hybrid drive for a vehicle with a power train, the hybrid drive comprising:
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an electric machine (4) being permanently connected to an input shaft (3) of a vehicle transmission (2) and being located between an internal combustion engine (1) and the vehicle transmission (2), the electric machine (4) having a changeable gear ratio, and being operable as one of an engine and a generator; and a hydraulic pump (5) for the vehicle transmission (2); and at least one first shiftable clutch device (7) and one torque converter (12), and the hydraulic pump (5) being connected to the torque converter (12). - View Dependent Claims (24)
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25. A hybrid drive for a vehicle with a power train:
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an electric machine (4) being permanently connected to an input shaft (3) of a vehicle transmission (2) and being located between an internal combustion engine (1) and the vehicle transmission (2), the electric machine (4) having a changeable gear ratio, and being operable as one of an engine and a generator; a hydraulic pump (5), for the vehicle transmission (2), being connected to a second electric machine (10) in a rotationally fixed manner, the hydraulic pump (5) being coupled, via at least one element, to transfer torque to the input shaft (3) of the vehicle transmission (2); and at least one shiftable clutch device being located between the internal combustion engine (1) and the vehicle transmission (2). - View Dependent Claims (26, 27, 28, 29, 30, 32)
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Specification