Abstract: The invention relates to a vehicle having a drive train, which comprises at least one first engine and a wheel, wherein a torque can be transmitted from the first engine to the wheel by the drive train, and wherein at least one first unit of the drive train is connected to an interface, by which rapid and simple replaceability of said unit is possible, wherein the interface is designed to be connected to a second unit, which is different from the first unit, wherein both units are designed to store electricity, to convert chemically bound energy into energy of rotation and/or to convert electricity into energy of rotation and/or to convert rotation energy of rotation into electricity.

Abstract: The invention relates to a vehicle having a drive train, which comprises at least one first engine and a wheel, wherein a torque can be transmitted from the first engine to the wheel by the drive train, and wherein at least one first unit of the drive train is connected to an interface, by which rapid and simple replaceability of said unit is possible, wherein the interface is designed to be connected to a second unit, which is different from the first unit, wherein both units are designed to store electricity, to convert chemically bound energy into energy of rotation and/or to convert electricity into energy of rotation and/or to convert rotation energy of rotation into electricity.

Abstract: In an automatically shiftable countershaft transmission, particularly for motor vehicles, the shift travels between the engagement points are established and the shift force may be varied as a function of gear step and dynamic load over the engagement travel. Depending on the functional phase, a lower force is provided during the synchronization phase, a higher force is provided during the shift-through phase and a lower force is provided during the dog-in phase.

Abstract: In a pressure medium operable cylinder/piston unit for the provision of at least one rotary movement, comprising a cylinder bore (8) having inside it a radially internally projecting partition wall (4) and a vane piston (5) which projects radially outwardly from a piston rod (3) extending through the cylinder housing (2) and forms two alternately pressurisable radial pressure chambers (26 and 27), the radial partition wall (4) and the radial vane piston (5) are arranged on the piston rod (3) adjacent an axial piston (6) which, together with the cylinder bore (8), forms outer pressure chamber (14), and the radial partition wall (4) is arranged in the cylinder (2) so that, by way of a projection (18), it is secured against rotation.