A vehicle driving device mounted on a hybrid vehicle includes an engine coupled to wheels of the vehicle via a power transmission path, a transmission mechanism disposed on the power transmission path, a motor generator, a first power transmission mechanism, and a second power transmission mechanism. The motor generator is disposed on a path coupling the engine and transmission mechanism, the first power transmission mechanism is disposed on a path coupling the engine and motor generator, the second power transmission mechanism is disposed on a path coupling the motor generator and transmission mechanism. These paths are included in the power transmission path. The first power transmission mechanism includes a large-diameter rotator and a small-diameter rotator coupled to the engine and the motor generator respectively. The second power transmission mechanism includes a small-diameter rotator and a large-diameter rotator coupled to the motor generator and the transmission mechanism respectively.

In one example, a hybrid drive unit comprises an electric motor, an axle differential for connection with a further motor, a first axle half shaft and a second axle half shaft connected to the axle differential, a first clutching device and a second clutching device. The electric motor is selectively drivingly engagable with the first axle half shaft via the first clutching device and with the second axle half shaft via the second clutching device.

A hybrid vehicle includes: an engine including a crankshaft; an electric motor including a motor drive shaft; a power transmission shaft to which a total of drive power from the engine and drive power from the electric motor is transmitted; and a switching dog clutch located on a power transmission route from the crankshaft to the power transmission shaft, the switching dog clutch including a switching dog structure slidable to cut off the power transmission route.

A hybrid module includes a first, motor-side pre-assembly group and a second, transmission-side pre-assembly group. A separating clutch is arranged between the motor-side pre-assembly group and the transmission-side pre-assembly group, via which the pre-assembly groups can be connected in a torque-transmitting manner.

The invention relates to a power unit, in particular for a hybrid vehicle, including a reciprocating-piston engine and at least one generator drivingly connected to the engine, wherein the engine has at least two pistons guided in at least two cylinders in a tandem arrangement, and two crankshafts, which are connected to the pistons by connection rods that run in opposite directions, and are mechanically coupled in the same phase. The engine includes a hub-hub connection with a first connection joining a first hub to a second hub such that an angular position between the first hub and the second hub is continuously adjustable on installation. The hub-hub connection also has a second connection in the form of a connection disk configured, dimensioned and arranged with support surfaces, on each of which the first hub and the second hub rest. The connection disk has a matrix with hard material elements embedded therein, in particular diamond chips, which are arranged in the support surfaces for frictional engagement of the hubs.

A transmission for a hybrid drive assembly includes an input shaft, an output shaft, a first transmission shaft, a second transmission shaft, a third transmission shaft, first, second, and third shift elements, a first spur gear set, a second spur gear set, and a third spur gear set. The input shaft can be coupled to the first transmission shaft by the first shift element, the first transmission shaft is coupled to the first spur gear set, the first spur gear set can be coupled to the second transmission shaft by the second shift element, the second transmission shaft is coupled to the second spur gear set, and the second spur gear set is coupled to the third transmission shaft. The third transmission shaft is coupled to the third spur gear set and the third spur gear set can be coupled to the output shaft by the third shift element.

A drive train for a vehicle includes at least one transmission having a primary input shaft designed to be connected to a primary drive, a secondary input shaft designed to be connected to a secondary drive, an output shaft designed to output power that has been introduced into the at least one transmission by the primary input shaft, and a planetary gearbox designed to continuously variably set a transmission ratio between the primary input shaft and the output shaft on the basis of the rotational speed of the secondary input shaft. The invention further relates to a vehicle having a drive train of this type, to a method for controlling a drive train of this type, and to a computer program product.

A drive unit includes an internal combustion engine (21) disposed in an engine compartment (10), a first electric motor (31) and a second electric motor (33), and an inverter (27) disposed above an electromotive unit (23). The drive unit has: a first harness (41) that connects the inverter and the first electric motor; a second harness (42) that connects the inverter and the second electric motor; a step portion (51) formed so as to be recessed on one side or the other side, in the left-right direction, of the upper end of the inverter; and an AC terminal block (55) disposed in the step portion. The first harness and the second harness respectively extend downward from the DC terminal block while extending outward, and are respectively connected to upper parts of the first electric motor and the second electric motor.

A hybrid power unit includes: an internal combustion engine; a power transmitting shaft to which power from a crank shaft is transmitted and which is housed in a crank case; an electric motor including a motor driving shaft projecting from a motor housing toward a lateral side, the electric motor being located on an outer surface of the crank case; a linkage which extends through a through hole of the crank case and through which power from the motor driving shaft is transmitted to the power transmitting shaft; and a shaft cover defining a shaft space that houses a portion of the motor driving shaft which projects from the motor housing, the shaft cover being detachably fixed to the outer surface of the crank case so as to cover the through hole.

A hybrid drive system has an internal combustion engine having a crankshaft, an electric motor having a rotor and a stator, a dual clutch transmission having an input shaft, a dual claw clutch having a first claw clutch and a second claw clutch, a first sub-transmission, and a second sub-transmission. The first claw clutch is non-rotatably connects a first sub-transmission input shaft of the first sub-transmission to the input shaft. The second claw clutch non-rotatably connects a second sub-transmission input shaft of the second sub-transmission to the input shaft. The rotor is arranged in such a way that torques starting from the rotor on an output side of the second claw clutch can be introduced into the dual clutch transmission via the second sub-transmission input shaft.