| 摘要 |
The invention relates to a drive system (10) for an agricultural or industrial vehicle, preferably a tractor (12). Said drive system (19) comprises at least one electric generator (24, 26) as well as a first and a second electric machine (28, 30). The at least one electric generator (24, 26) can be driven using torque generated by a vehicle engine (22). At least one of the two electric machines (28, 30) can be driven using the electric power generated by the electric generator (24, 26). The mechanical torque generated by the first and/or the second electric machine (28, 30) can be transmitted to at least one driving axle (14, 16) of the vehicle in order to allow the vehicle to move. The invention further relates to an agricultural vehicle comprising such a drive system (10). |
| 主权项 |
1. A drive system for an agricultural or industrial vehicle comprising: an engine, at least one drive axle, first and second electric generators, first and second electrical machines, and a mechanical interface in the form of a power take-off shaft, wherein the first and second electric generators can be driven by a torque generated by the engine, wherein at least one of the first and the second electrical machines can be driven by electrical energy produced by the first and second electric generators, wherein mechanical torque generated by at least one of the first and the second electrical machines can be transmitted to the at least one drive axle of the vehicle for its locomotion, and wherein mechanical torque can be transmitted to a mechanically drivable implement via the mechanical interface only from one or more of the first and the second electrical machines;
wherein the first electric generator includes a first stator and a first rotor, the first rotor being rotationally fixed to and capable of being driven by a first input shaft, and the second generator includes a second stator and a second rotor, the second rotor being rotationally fixed to and capable of being driven by a second input shaft, and wherein the first input shaft and the second input shaft are part of a single input shaft or are distinct input shafts arranged substantially coaxial to one another; wherein the first and second rotors always co-rotate when the engine is running, and can be electrically activated or deactivated; wherein the first electric machine has a first output shaft, the first output shaft being fixed to a first drive gear, the first drive gear being meshed with a first transmission gear included in a multi-stage mechanical transmission; wherein the second electric machine has a second output shaft, the second output shaft being fixed to a second drive gear, the second drive gear being meshed with a second transmission gear included in the multi-stage mechanical transmission; and wherein the first and second electrical machines are arranged substantially one after the other relative to the engine. |
