Abstract: The invention relates to a wheel hub drive for a motor vehicle, having a motor, in particular an electric motor, which is connected to an input element of a transmission so as to exercise a driving effect, wherein the transmission has an output element, which is connected to a shaft section, by means of which a wheel of the motor vehicle can be driven. A sensor is furthermore provided for monitoring the rotational speed of the drive, comprising a sensor element arranged in a manner fixed against rotation and a rotatable sensor element. The rotatable sensor element is connected to the output element for conjoint rotation.

Abstract: An electric drive unit includes a stator which is received in a metal housing, and a rotor rotates within the stator. A synthetic material housing is arranged on the metal housing in the region of the stator, the synthetic material housing forming at least one cooling channel for a cooling fluid in order to cool the stator via the metal housing.

Abstract: A clutch shaft for a camshaft controller having at each of two ends (30, 31) thereof a rotating joint which equalizes the angle between the axes. An actuator for controlling a camshaft adjustment transmission includes a clutch shaft for controlling the camshaft adjustment transmission to the actuator via a first rotating joint which equalizes the angle between the axes which is coupled in a region of the actuator which faces away from the adjustment transmission.

Abstract: A method for the control of an assembly by a control unit, in particular in a motor vehicle, wherein the assembly includes at least one component, at least one actuator associated with the component, and an additional control unit having a first non-volatile memory section that is connected to the control unit. The control unit includes a second non-volatile memory section. Classification information associated with the assembly and stored in the first non-volatile memory section is read out and transmitted to the control unit. The transmitted classification information is stored in the second non-volatile memory section. Subsequently, the classification information stored in the second, non-volatile memory section is read out and transmitted to the additional control unit. The disclosure furthermore relates to an assembly group that comprises the assembly and the control unit, with the control unit and the additional control unit of the assembly being connected to one another by a data transmission path.

Abstract: A mass balance unit having a mass balance housing in which a mass balance shaft is rotatably journaled and a unit housing in which a drive shaft of a secondary unit is rotatably journaled. The mass balance housing is made in one piece and has a bearing section which completely surrounds a bearing opening in which the mass balance shaft is rotatably journaled. The unit housing is also made in one piece with a base section, a wall section and a bearing section. The bearing section of the unit housing completely surrounds a bearing opening in which the drive shaft is rotatably journaled. The drive shaft is operably connected to the balance shaft drivewise. The base section of the unit housing is releasably fastened to a lower side of the mass balance housing while its wall section is adjacent an end face of the mass balance housing.

Abstract: An adjustment device for adjusting the relative angular position of a camshaft with respect to a crankshaft within a specified angle range, the adjustment device having a device for emergency operation of the adjustment device. The device for emergency operation includes a freewheel device which can be activated in an emergency mode of the adjustment device and, in an activated state, is able to allow an adjustment movement of the camshaft with respect to the crankshaft from the current position in a first direction towards an emergency running position and to block an adjustment movement in a second direction opposite thereto.

Abstract: An electric drive unit for a motor vehicle has an electric machine and a lubrication and cooling circuit. The lubrication and cooling circuit includes an aqueous lubricant, which is passed at least through an internal area of the electric machine, in order to cool parts of the electric machine in the internal area.

Abstract: A method is described for classifying a clutch unit for a drivetrain of a motor vehicle, wherein the clutch unit has at least one friction clutch for the controllable transmission of a torque from an input element to an output element and has an actuator for actuating the friction clutch. Here, the clutch unit is controlled on the basis of a predefined characteristic curve which describes a predefined dependency of the clutch torque to be transmitted on an actuator control variable.

Abstract: A dual-mass flywheel for a drive train of a motor vehicle having a primary flywheel mass and a secondary flywheel mass which are coupled to one another in a rotationally elastic manner via at least one spring device. At least one gear device is disposed between the spring device and at least one of the two flywheel masses. The gear device causing a deflection movement of the spring device relative to a rotational movement of the two flywheel masses in relation to one another, wherein a characteristic curve of the spring device may be modified by the gear device.

Abstract: A family of vehicle gearboxes having at least a first vehicle gearbox and a second vehicle gearbox, such that the first and the second vehicle gearbox are of modular construction and have an actuation system which is substantially structurally identical. The actuation system is provided in the first vehicle gearbox for actuating a parking lock and in the second vehicle gearbox for actuating a functional unit which differs from the parking lock, in particular, a clutch.

Abstract: The present invention relates to a method for the calibration of a position determination system of a rear axle steering actuator for a motor vehicle. The rear axle steering actuator has an actuator element which can be driven by a rotary movement of a rotor to a translation movement and whose geometrical center position is determined by a reference measurement. The position determination system includes a linear sensor and a rotary sensor. During calibration, a piece of calibration information is generated which includes a piece of zero point information of the linear sensor and a piece of sector information. The measurement range of the rotary sensor is divided into at least two sectors. The sector information identifies that angle at which the angular position of the rotor lies when the actuator element is arranged in its geometrical center position. The calibration information is stored in the linear sensor.

Abstract: The invention relates to a torque transmission unit for a motor vehicle with a permanently driven primary axle and a switchable secondary axle, comprising a first connecting part and a second connecting part. The invention furthermore comprises several lamellas that are divided into primary lamellas and secondary lamellas in an alternating arrangement. The unit further comprises a planetary gear system, comprising an at least first gear element, rotationally connected with the first connection part, a second gear element, rotationally connected with the second connection part, and a third gear element, rotationally connected with the primary lamellas. The secondary lamellas are rotationally connected with the first connection part, the second connection part or with a stationary housing part.

Abstract: A clutch arrangement having an input element and an output element that are rotatable relevant to one another, a friction clutch and a pump. The friction clutch couples the input element with the output element in dependence on a hydraulic pressure in a pressure space of the clutch arrangement. The pump has a first pump part that is rotationally fixedly connected to the input element and a second pump part that is rotationally fixedly connected to the output element. The pump may be driven by a rotary movement of the input element and the output element relative to one another, with a pressure side of the pump being connected to the pressure space. An orifice having a substantially temperature independent leakage characteristic is arranged in a leakage line that leads from the pressure space to a low pressure space and which extends parallel to the pump.

Abstract: A method of controlling a hydraulic actuator of a friction coupling that includes a pump, which is driven by an electric motor, a pressure line, which contains a non-return valve and which runs from the pump to an actuator cylinder with an actuator piston that acts on the friction coupling. A rapid drain valve has a flow connection to the actuator cylinder and contains a slide that responds to the pressure prevailing on the side of the pump that faces the slide. To optimize the dynamic and static control behavior of the actuator, a control variable is determined for the electric motor from the target pressure and the actual pressure in the actuator cylinder. At least two different control algorithms are executed, depending on whether the difference between the target pressure and the actual pressure is positive or negative.

Abstract: An energy supply system for electrical actuator of a motor vehicle having a engine and battery includes a generator adapted to be driven by the vehicle engine to provide electrical energy to the electric actuator and vehicle battery. A control unit sets an input power provided to the generator by the vehicle engine and is configured to set the output voltage of the generator based on a power request associated with the electric actuator. A method for supplying electrical energy to a vehicle subsystem may be performed using an energy supply system as disclosed.

Abstract: A transmission for a motor vehicle including a transmission housing for receiving a transmission and an actuator for actuating the transmission. The actuator comprises an electric motor having a stator, a rotor, and a drive shaft protruding into an interior of the transmission housing. The actuator further comprises a control circuit for controlling the electric motor, and a heat sink device thermally conductively coupled to the control circuit. The stator of the electric motor is directly attached to the transmission housing. The heat sink device is attached to the transmission housing independently of the mounting of the stator.

Abstract: A torque transmission unit having a friction clutch and a hydraulic actuation system. The hydraulic actuation system includes a stepped piston unit having a stepped piston which has a first piston section movable in a first pressure space and a second piston section movable in a second pressure space. The first pressure space and a portion of the second pressure space can be brought into fluid communication by means of an overflow line based on a position of the first piston section. The hydraulic actuation system also includes an actuation piston unit having an actuation piston that cooperates with the friction clutch. A third pressure space is associated with the actuation piston and is in fluid communication with the second pressure space via a pressure line.

Abstract: The present invention relates to a method of operating a drive train of a motor vehicle having a motor which can be selectively coupled to the drive train by means of a clutch actuable by an actuator. The clutch has a first clutch part associated with a drive shaft of the motor and a second clutch part associated with the drive train.

Abstract: The present invention relates to a blocking mechanism for the rotationally fixed locking of a shaft, in particular to a parking lock for a shaft of a motor vehicle. The blocking mechanism includes a pawl which is pivotable about a pivot axis and which, in a blocked position, engages into at least one latch cut-out of a ratchet wheel connected to the shaft. The blocking mechanism furthermore includes an actuating mechanism which has an actuating device for moving an actuation slider. The pawl is pivotable by a movement of the actuation slider. The actuation slider includes a first U-shaped component and a second U-shaped component which each have two side sections and a transverse section connecting the side sections. The first component and the second component are plugged into one another in opposite directions such that the transverse section of the one component at least partly closes the open end of the U shape of the component and vice versa.

Abstract: The present invention relates to a balance shaft unit for mass balancing for an internal combustion engine of a motor vehicle including at least one balance shaft having at least one balance weight and a housing part in which the balance shaft is journaled. A first gear is associated with the balance shaft and meshes with a second gear. An introduction passage is formed in the housing part through which, starting from an assembly opening, at least one of the two gears can be introduced into the interior of the housing part, with the introduction passage extending perpendicular to the longitudinal axis of the balance shaft. The first gear and the second gear are arranged sequentially with respect to the direction of extent of the introduction passage.