Systems are provided for a transmission system. In one example, a multi-speed transmission includes an input shaft comprising an input gear driven by two electric motors, a first clutch comprising a first clutch gear configured to rotate a first shaft on which a first synchronizer is arranged, wherein the first clutch is arranged on the input shaft, a second clutch comprising a second clutch gear configured to rotate a second shaft on which a second synchronizer is arranged, wherein the second clutch is arranged on the input shaft, an idler shaft comprising a plurality of gears in meshed engagement with gears of the first synchronizer and the second synchronizer, and an output shaft comprising an output gear in meshed engagement with a gear of the plurality of gears of the idler shaft.

A device for a motor vehicle transmission assembly, comprising:an electric machine (3) comprising a rotor (9) able to rotate about an axis X and a stator (8), the rotor (9) being arranged inside the stator (8), separated from the stator (8) by an annular air gap space (300),a clutch (2) coaxial with the electric machine comprising a reaction plate (10), the reaction plate (10) rotating as one with the rotor (9) and being positioned an axial distance from said rotor (9) in order to leave space between the electric machine (3) and the reaction plate (10), the assembly being fitted with a dust ring (301) positioned axially in the space between the electric machine (3) and the reaction plate (10) and extending radially far enough to cover the annular air gap space (300).

A drive axle system and a method of control. The drive axle system may include a first drive axle assembly and a second drive axle assembly that may be operatively coupled via a slip clutch.

A method for learning a touch point of an engine clutch of a hybrid electric vehicle including a motor connected to a transmission and an engine selectively connected to the motor through the engine clutch includes determining whether a learning condition of the touch point of the engine clutch is satisfied, releasing a transmission clutch and controlling a motor speed when the learning condition is satisfied, increasing a coupling pressure of the engine clutch when a change amount of the motor speed is less than a first predetermined value, comparing a change amount of a motor torque according to the increased coupling pressure of the engine clutch with a second predetermined value, and learning the touch point of the engine clutch when the change amount of the motor torque is greater than or equal to the second predetermined value.

A drive axle system and a method of control. The drive axle system may include a first drive axle assembly and a second drive axle assembly that may be operatively coupled via a slip clutch.