A power transmission device for a hybrid vehicle may include: a cover part mounted on a vehicle body; two motor parts embedded in the cover part; two rotor parts mounted in the respective motor parts and rotated; a transfer part selectively connected to the rotor part; a torsion damper part coupled to the transfer part; a clutch part configured to selectively connect any one of the rotor parts to the transfer part; and an output part connected to the clutch part and configured to discharge power to a transmission, wherein any one of the rotor parts is connected to the torsion damper part.

A power transmission device for a hybrid vehicle may include: a cover part mounted on a vehicle body; two motor parts embedded in the cover part; two rotor parts mounted on the respective motor parts and rotated; a torsion damper part coupled to any one of the rotor parts, and connected to an engine part; a transfer part rotatably connected to the torsion damper part; a clutch part configured to selectively connect the other one of the rotor parts to the transfer part; and an output part connected to the clutch part, and configured to discharge power to a transmission.

A method is provided for controlling a hybrid drive train comprising a first partial drive train including an internal combustion engine having a crankshaft and a second partial drive train, which is separated from the first partial drive train by a torsional elasticity having an electric machine with a rotor A rotational characteristic value of the first partial drive train is detected via a sensor arranged on the torsional elasticity A rotational characteristic value of the rotor is detected via a device engaged with the rotor. A quality index is determined based on the rotational characteristic value of the first partial drive train and the rotational characteristic value of the rotor. The electric machine is controller to optimize the quality index.

A power transmission device for a hybrid vehicle may include: an engine part; a transfer part configured to transfer power of the engine part; a motor part configured to provide power to the transfer part, and driven when power is applied thereto; and a plurality of torsion damper parts disposed between the engine part and the motor part, and connected in series.

A constructional unit for a hybrid powertrain of a motor vehicle includes: an electric machine with a stator and a rotor, wherein the rotor is configured to transmit a torque to the powertrain; a clutch arrangement with at least one clutch actuation unit, wherein the clutch arrangement is configured to decouple an internal combustion engine from the powertrain, the internal combustion engine being provided parallel to the electric machine for transmitting a torque; and a vibration absorber apparatus configured to reduce vibrations in the powertrain. The clutch actuation unit is arranged axially substantially radially within the vibration absorber apparatus.

A vehicle drive apparatus includes: an engine; a rotary machine; an output member coupled to a drive wheel of a vehicle; a differential mechanism configured to couple the engine, the rotary machine, and the output member together to be differentially rotatable via a plurality of differentially rotatable rotational elements; and an elastic member configured to couple a rotation shaft of the rotary machine to the rotational element of the differential mechanism to be relatively rotatable.

A vehicle active damper includes a damping actuator that is provided between a radiator and a vehicle body so as to be interposed in a substantially vertical direction, and a coupling member that elastically couples between the vehicle body and an engine. The damping actuator is formed from a elastic modulus-variable member having an elastic modulus that varies according to the strength of an applied magnetic field. The coupling member transmits vibrations of the engine to the vehicle body along a substantially vertical direction.

A filtering pulley has a hub configured to be fixed to a shaft for rotation thereabout, a crown mounted coaxial and rotationally free on the hub, and a plurality of elastic groups arranged circumferentially with respect to the hub and to the crown and interposed, each, between a pair of first elements integral with the hub and between a pair of second elements integral with the crown. The first elements have at least two spokes, carried by an actuator that is made of two portions that can be selectively coupled based on angular position data between the crown and the hub and/or based on data of torque transmitted between the different elements of the system comprising this pulley.

The invention relates to a parking brake for a motor vehicle, including a pivotable locking mechanism for applying a retaining force to a parking brake gear. The locking mechanism can lock into the parking brake gear by means of an axially movable first actuation unit. According to the invention, the first actuation unit is designed as a spring-loaded cam follower. The invention also relates to an operating method for locking and unlocking the parking brake.

A hybrid module for a motor vehicle power train, including an input side for connecting to an internal combustion engine, an output side for connecting to a drive wheel, an electric drive motor comprising a stator and a rotor and a torque transfer device arranged between the roto and the output side. The transfer device is designed to reduce rotational irregularity.