A method controls a power split transmission structure to direct drive power from a drive through at least three interfaces to at least one output to supply connected consumers. The transmission structure has at least two variator paths each comprising a summation gearbox downstream of the interfaces in which drive power is varied via a mechanical and an electrical path. The transmission structure has power electronics or a hydraulic control device including at least three electric or hydraulic machines arranged in parallel with the summation gearbox of each variator path downstream of the interfaces. The method simultaneously controls the power electronics or a hydraulic control device and the electric or hydraulic machines in such a way that fluctuations in the power supply to the consumers are compensated for by the electric or hydraulic machines by regulating, via a control device, the summation gearbox of each of the variator paths and modifying a torque, a speed, or both, of the drive power via the power electronics system or the hydraulic control device.

A drive mechanism that drives an axially moving portion in an axial direction includes a drive portion that reciprocates a first member along an intersecting direction that is a direction that intersects the axial direction, a conversion portion that converts a reciprocating motion of the first member along the intersecting direction into a reciprocating motion of a second member along the axial direction, and a connecting portion for connecting the second member and the axially moving portion such that the axially moving portion reciprocates along the axial direction as the second member reciprocates along the axial direction.

A drive mechanism that drives an axially moving portion in an axial direction includes a drive portion that reciprocates a first member along an intersecting direction that is a direction that intersects the axial direction, a conversion portion that converts a reciprocating motion of the first member along the intersecting direction into a reciprocating motion of a second member along the axial direction, and a connecting portion for connecting the second member and the axially moving portion such that the axially moving portion reciprocates along the axial direction as the second member reciprocates along the axial direction.

Some embodiments are directed toward a transmission having a torque input and output, drive members selectively engageable for sequentially changing gear ratio between the torque input and output, the transmission also having a shaft with a shifting feature. The transmission includes a drum having a track around its outer perimeter and arranged such that torque can be transferred by rotating the shaft, the drum capable of being moved along the length of the shaft, a biasing mechanism for urging the drum towards a rest position along the length of the shaft, and a drive member selector member provided in operative relation to the track, wherein by rotating the shaft the drive member selector member can be selectively urged into contact with a first drive member for drivingly engaging therewith in a first torque connection or into contact with a second drive member for drivingly engaging in a second torque connection.

Some embodiments are directed toward a transmission having a torque input and output, drive members selectively engageable for sequentially changing gear ratio between the torque input and output, the transmission also having a shaft with a shifting feature. The transmission includes a drum having a track around its outer perimeter and arranged such that torque can be transferred by rotating the shaft, the drum capable of being moved along the length of the shaft, a biasing mechanism for urging the drum towards a rest position along the length of the shaft, and a drive member selector member provided in operative relation to the track, wherein by rotating the shaft the drive member selector member can be selectively urged into contact with a first drive member for drivingly engaging therewith in a first torque connection or into contact with a second drive member for drivingly engaging in a second torque connection.

A clutch arrangement arranged between a drive unit and a transmission, with at least one multi-plate clutch having an outer plate carrier and an actuation element. The actuation element, particularly a piston, has openings for receiving the outer plate carrier.

A clutch arrangement arranged between a drive unit and a transmission, with at least one multi-plate clutch having an outer plate carrier and an actuation element. The actuation element, particularly a piston, has openings for receiving the outer plate carrier.

A gear-shifting mechanism for a transmission has a gear-shifting actuating unit with a gear-shifting actuator that can be moved along a gear-shifting actuating axis, and a selection unit that can be connected to the gear-shifting actuator. The selection unit has a selection element which is designed to adopt different positions in a direction that is non-parallel to the gear-shifting actuating axis, in order to be able to connect to different selector forks in the different positions, for moving transmission components for shifting gears, and a switching actuator having a switching actuator axis that defines a switching movement of the switching actuator for moving the selection element into the different positions. The switching actuator axis and the gear-shifting actuating axis are oriented such that they are parallel to each other.

A gear-shifting mechanism for a transmission has a gear-shifting actuating unit with a gear-shifting actuator that can be moved along a gear-shifting actuating axis, and a selection unit that can be connected to the gear-shifting actuator. The selection unit has a selection element which is designed to adopt different positions in a direction that is non-parallel to the gear-shifting actuating axis, in order to be able to connect to different selector forks in the different positions, for moving transmission components for shifting gears, and a switching actuator having a switching actuator axis that defines a switching movement of the switching actuator for moving the selection element into the different positions. The switching actuator axis and the gear-shifting actuating axis are oriented such that they are parallel to each other.

A shift mechanism for a gearbox has a shift actuation unit designed to produce an axial shifting motion, at least two selector forks for shifting gear components to shift gears, and at least one shift rod designed to transmit the axial shifting motion from the shift actuation unit to at least one of the at least two selector forks. The coupling mechanisms and the shift rods are positioned to be axially aligned with one another.