A hybrid power-driven system and a vehicle are provided. The hybrid power-driven system includes an engine, a transmission, and a motor power apparatus. The transmission includes a transmission mechanism and a main reducer. The motor power apparatus includes a motor and a power distribution mechanism. The power distribution mechanism includes a motor power distribution shaft, a mode selection apparatus, a first transmission apparatus, and a second transmission apparatus. The motor power distribution shaft is disposed independently from the transmission mechanism, and the motor power distribution shaft is disposed independently from the motor. A motor driven gear configured to receive power of the motor is disposed on the motor power distribution shaft.

A hybrid power-driven system and a vehicle are provided. The hybrid power-driven system includes an engine, a transmission, and a motor power apparatus. The transmission includes a transmission mechanism and a main reducer. The motor power apparatus includes a motor and a power distribution mechanism. The power distribution mechanism includes a motor power distribution shaft, a mode selection apparatus, a first transmission apparatus, and a second transmission apparatus. The motor power distribution shaft is disposed independently from the transmission mechanism, and the motor power distribution shaft is disposed independently from the motor. A motor driven gear configured to receive power of the motor is disposed on the motor power distribution shaft.

An electromechanical power-split system and a method of operating thereof is provided, with a mechanical drive branch including an internal combustion engine (3), and with an electric drive branch including a first motor-generator block (59) including a first motor-generator (1) and a second motor-generator block (60) including a second motor-generator (2), the first motor-generator (1) is connectable to the internal combustion engine (3) and to the second motor-generator (2). The system includes a planetary gearset (4) with dual planet gears (46) and four input/output members for altering the flow ratio of the mechanical and electric drive branch . Each dual planet gear (46) is connected to the four input/output members, which are a first pair of input/output members formed by a first sun gear (41) and a ring gear (44), and a second pair of input/output members formed by a second sun gear (143) and a planet carrier (45).

A hybrid transmission system with a multi-speed gearbox. The multi-speed gearbox, in one example, includes a first primary shaft with a first set of gears positioned thereon and selectively coupled to an internal combustion engine (ICE) at a first end and a second primary shaft with a second set of gears positioned thereon. The gearbox further includes a secondary shaft with a third set of gears that mesh with the first set of gear and the second set of gears and an electric drive interface gear that is idly mounted, free to spin, on the second primary shaft, positioned between two gears in the second set of gears, and configured to receive mechanical power from an electric machine and an output shaft that is configured to mechanically attached to a differential.

A hybrid transmission system with a multi-speed gearbox. The multi-speed gearbox, in one example, includes a first primary shaft with a first set of gears positioned thereon and selectively coupled to an internal combustion engine (ICE) at a first end and a second primary shaft with a second set of gears positioned thereon. The gearbox further includes a secondary shaft with a third set of gears that mesh with the first set of gear and the second set of gears and an electric drive interface gear that is idly mounted, free to spin, on the second primary shaft, positioned between two gears in the second set of gears, and configured to receive mechanical power from an electric machine and an output shaft that is configured to mechanically attached to a differential.

A hybrid transmission system with a multi-speed gearbox. The multi-speed gearbox is configured to rotationally couple a prime mover and an electric machine to different gear ratios during a hybrid drive mode. The multi-speed gearbox includes an electric drive interface gear positioned coaxial to a first primary shaft and a second primary shaft and idly mounted, free to spin, to the second primary shaft and an output shaft that includes an output shaft gear which is fixedly coupled thereto meshes with a gear on a secondary shaft.

A hybrid transmission system with a multi-speed gearbox. The multi-speed gearbox is configured to rotationally couple a prime mover and an electric machine to different gear ratios during a hybrid drive mode. The multi-speed gearbox includes an electric drive interface gear positioned coaxial to a first primary shaft and a second primary shaft and idly mounted, free to spin, to the second primary shaft and an output shaft that includes an output shaft gear which is fixedly coupled thereto meshes with a gear on a secondary shaft.

A transmission system that includes a multi-speed gearbox. The multi-speed gearbox, in one example, includes a primary shaft with a first set of gears positioned thereon, a secondary shaft with a second set of gears positioned thereon, an internal combustion engine (ICE) clutch configured to selectively couple an ICE to the primary shaft, and an electric drive interface gear that is positioned axially between two gears in the first set of gears, configured to couple to an electric machine, and coupled to a gear in the second set of gears.

A transmission system is that includes a multi-speed gearbox. The multi-speed gearbox, in one example, includes a dual-clutch assembly configured to selectively engage a primary shaft and/or a second primary shaft and an electric drive clutch configured to selectively engage an electric drive interface gear, wherein the electric drive interface gear is positioned axially between two gears on the first or second primary shafts. The transmission system further includes a controller including instructions that when executed, during a first operating condition, cause the controller to operate the dual-clutch assembly to transfer mechanical power between an internal combustion engine (ICE) and the first primary shaft or the second primary shaft or operate the electric drive clutch to transfer mechanical power between an electric machine and the first primary shaft, the second primary shaft, or a secondary shaft.

A transmission system is that includes a multi-speed gearbox. The multi-speed gearbox, in one example, includes a dual-clutch assembly configured to selectively engage a primary shaft and/or a second primary shaft and an electric drive clutch configured to selectively engage an electric drive interface gear, wherein the electric drive interface gear is positioned axially between two gears on the first or second primary shafts. The transmission system further includes a controller including instructions that when executed, during a first operating condition, cause the controller to operate the dual-clutch assembly to transfer mechanical power between an internal combustion engine (ICE) and the first primary shaft or the second primary shaft or operate the electric drive clutch to transfer mechanical power between an electric machine and the first primary shaft, the second primary shaft, or a secondary shaft.