A vehicle includes: a low voltage battery constituted by a lithium-ion battery, the low voltage battery supplying an electric power to an electric component mounted to a vehicle; a high voltage battery constituted by a lithium-ion battery, the high voltage battery having an output voltage higher than an output voltage of the low voltage battery; a first rotating electrical machine that operates by an electric power supplied from the high voltage battery, the first rotating electrical machine generating a torque for driving the vehicle; and a second rotating electrical machine for starting the engine. The second rotating electrical machine operates by an electric power supplied from the high voltage battery.

A transmission system includes an input shaft, a transmission housing, and a planetary gear system rotatably coupled to the input shaft. The planetary gear system has a first and second gear ratio. The transmission system additionally includes an output shaft, a first electric machine, a second electric machine, and a shifting assembly. The shifting assembly includes a first stationary clutch element and a second stationary clutch element. The first electric machine is configured to apply rotational torque to the planetary gear system to synchronize rotational speed of the planetary gear system when moving between the first and second gear ratios, and the second electric machine is configured to provide rotational torque to the output shaft when the first electric machine applies rotational torque to the planetary gear system to synchronize rotational speed of the planetary gear system when moving between the first and second gear ratio.

A vehicle control device for a vehicle provides a predetermined control based on the rotational characteristic, the vehicle including a rotation lock mechanism preventing rotation of a coupling portion of the rotating member coupled to the engine on the engine side of the rotating member in at least one direction, the vehicle control device comprising: a characteristic detecting portion detecting the rotational characteristic by applying a torque to the rotating member from the electric motor to measure a twist angle of the rotating member while the rotation of the coupling portion is prevented by the rotation lock mechanism; and a characteristic correspondence control portion setting a control value related to an engine rotation speed based on the rotational characteristic detected by the characteristic detecting portion to provide the predetermined control by using the control value.

A hybrid powertrain may include an engine input shaft connected to an engine by a main clutch, a motor input shaft mounted coaxially with the engine input shaft and connected to a motor, a center synchronizer installed to interrupt connection between the engine input shaft and the motor input shaft, first and second output shafts mounted parallel to the engine input shaft, a variable driving gear provided on the motor input shaft to maintain or increase a rotation speed of the motor input shaft and then to transmit the maintained or increased rotation speed to the first output shaft, and plural external gear pairs installed to form different transmission gear ratios between the engine input shaft and the first output shaft and between the engine input shaft and the second output shaft.

A powertrain for a hybrid vehicle includes: a complex planetary gear set including a first rotary element, a second rotary element, a third rotary element, and a fourth rotary element; an input shaft connected with an engine and installed to be able to be selectively connected to each of the first rotary element and the second rotary element of the complex planetary gear set; a motor generator connected to the first rotary element of the complex planetary gear set; a first brake installed to be able to fixedly connect the second rotary element of the complex planetary gear set to a transmission case; a second brake installed to be able to fixedly connect the third rotary element of the complex planetary gear set to the transmission case; and an output shaft connected to the fourth rotary element of the complex planetary gear set.

A powertrain for a hybrid vehicle may include a complex planetary gear set including four rotation elements having first, second, third, and fourth rotation elements; a motor-generator fixedly connected to the first rotation element of the complex planetary gear set; a first brake configured to selectively connect the second rotation element of the complex planetary gear set to a transmission housing; an input shaft connected to an engine and configured to be selectively connectable to each of the first rotation element and the third rotation element of the complex planetary gear set; and an output shaft connected to the fourth rotation element of the complex planetary gear set.

A hybrid power driving system includes an engine, a planetary gear device, a first motor, a clutch gear, a brake device, a first clutch, a second clutch, an intermediate shaft, and a second motor, wherein the engine and the first motor are connected by the planetary gear device, the planetary gear device includes a first rotating element, a second rotating element and a third rotating element, the first rotating element is connected to the first motor, and the second rotating element is connected to the engine, and the clutch gear is connected to the intermediate shaft; the brake device is configured to brake or unlock the third rotating element; and the second motor is connected to the intermediate shaft.

A transmission (G) for a motor vehicle includes an electric machine (EM1), a first input shaft (GW1), a second input shaft (GW2), an output shaft (GWA), three planetary gear sets (P1, P2, P3), and at least six shift elements (A, B, C, D, E, F). Different gears are implementable by selectively actuating the at least six shift elements (A, B, C, D, E, F) and, in addition, in interaction with the electric machine (EM1), different operating modes are implementable. A drive train for a motor vehicle with such a transmission (G) and to a method for operating same are also provided.

A vehicle is provided with a transmission having an inductor assembly. The inductor assembly is mounted within the transmission such that it is directly cooled by transmission fluid through at least one of spraying, splashing and immersion. The transmission includes at least one gear that is configured to, when rotating, transmit torque between an input and output of the transmission and splash fluid onto the inductor assembly to cool the inductor assembly.

The invention relates to a transmission (100) for a hybrid drive arrangement which can be coupled to two drive assemblies (7, 8), comprising an input shaft (10) and an output shaft (11), at least one first, second, third, fourth, fifth, sixth and seventh shifting element (SE1, SE2, SE3, SE4, SE5, SE6, SE7), and at least one planetary gear (5). The input shaft can be coupled to a first transmission shaft (16) by means of the first shifting element (SE1) and the input shaft can be coupled to a second transmission shaft (17) by means of the second shifting element (SE2), and the first transmission shaft (16) can be coupled to the second transmission shaft (17) by means of the third shifting element (SE3), and the first transmission shaft (16) can be coupled to the sun gear of the planetary gear (5) by means of the fourth shifting element (SE4), the first transmission shaft (16) can be coupled to the ring gear of the planetary gear (5) by means of the fifth transmission shaft (SE5), the second transmission shaft (17) can be coupled to the planet carrier of the planetary gear (5) by means of the sixth shifting element (SE6) and the second transmission shaft (17) can be coupled to the sun gear of the planetary gear (5) by means of the seventh shifting element (SE7), the output shaft (11) being coupled to the planet carrier of the planetary gear (5).