| MAGNA POWERTRAIN AG & CO KG Patent applications |
| Patent application number | Title | Published |
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| 20120111131 | VEHICLE GEARBOX FAMILY - 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. | 05-10-2012 |
| 20120031725 | TORQUE TRANSMISSION UNIT - 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. | 02-09-2012 |
| 20120031215 | TRANSMISSION UNIT - 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. | 02-09-2012 |
| 20120018274 | METHOD OF OPERATING A DRIVE TRAIN OF A MOTOR VEHICLE AND CORRESPONDING DRIVE TRAIN - 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. An engagement of the clutch includes the steps:
| 01-26-2012 |
| 20120018259 | BLOCKING MECHANISM - 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. | 01-26-2012 |
| 20120006155 | SHIFT TRANSMISSION - The invention relates to a manual transmission having an input shaft ( | 01-12-2012 |
| 20110301820 | ELECTRICALLY ACTUATABLE MODULE OF A MOTOR VEHICLE AND METHOD FOR IDENTIFYING AN ELECTRICALLY ACTUATABLE MODULE OF A MOTOR VEHICLE - The invention relates to an electrically actuatable assembly of a motor vehicle having at least one component comprising a non-volatile memory. The component has base functionality characteristic for the component and required for the operation of the assembly. The memory comprises a memory region not utilized for realizing the base functionality of the component, in said memory region is stored a characteristic value that identifies the assembly with a predetermined probability. Furthermore, the characteristic value can be read out from the memory region of the component. Finally, the invention describes a method for identifying such an electrically actuatable assembly. | 12-08-2011 |
| 20110283827 | DUAL MASS FLYWHEEL - The present invention relates to a dual mass flywheel for a drivetrain of a motor vehicle. The dual mass flywheel comprises a primary flywheel mass ( | 11-24-2011 |
| 20110213535 | METHOD AND DEVICE FOR DUAL-CHANNEL MONITORING OF SAFETY-RELEVANT SENSOR SIGNALS - A method and device for dual-channel transmission of safety-relevant sensor signals. In the method, two sensor signals to be monitored are generated parallel to one another by two sensors and the generated sensor signals are transmitted to a common evaluation unit via two separate, input-side transmission channels. Within the evaluation unit, the permissibility of the transmitted sensor signals is checked using prescribed calculation specifications that correspond to one another and an evaluation unit output signal representing permissibility or impermissibility is generated for each sensor signal. The individual processing steps of the two calculation specifications are decoupled by the evaluation unit for the two sensor signals and performed diversified within the evaluation unit. The generated output signals are output via two separate, output-side transmission channels. | 09-01-2011 |
| 20110172045 | DRIVE SYSTEM FOR A MOTOR VEHICLE - A drive system for a motor vehicle with a continuously driven primary axle and a selectably driven secondary axle has a differential that acts between the wheels of the secondary axle, and has a torque transmission device for transmitting a drive torque to the differential. The torque transmission device has a clutch and a pump, wherein the pump produces a hydraulic pressure in a first pressure chamber of the clutch when a speed difference occurs between the primary axle and the secondary axle. The first pressure chamber is connected via a connecting line to a second pressure chamber, which is associated with an actuating member of the differential, so that the pressure produced by the pump also permits an at least partial locking of the differential. The first pressure chamber is connected to a low-pressure chamber through a first discharge line, in which is arranged a first control valve. The second pressure chamber is connected to the low-pressure chamber through a second discharge line, in which is arranged a second control valve. A pressure reduction member is located in the connecting line between the first pressure chamber and the second pressure chamber, in the first discharge line, or in the second discharge line. | 07-14-2011 |
| 20110135500 | METHOD AND APPARATUS FOR LUBRICATING A TRANSMISSION OF A MOTOR VEHICLE - The invention relates to a method for lubricating a transmission of a motor vehicle, particularly a power divider, wherein the oil is conveyed by an oil pump from an oil sump to components of the transmission. The amount of oil conveyed is set as a function of the predetermined parameters. The conveyed amount of oil is controlled in that the oil pump is operated intermittently, e.g. is switched on and off repeatedly. The invention further describes a device for carrying out the method. | 06-09-2011 |
| 20110036677 | MULTIPLE DISK CLUTCH - The present invention relates to a multi-disc clutch for the transfer of torque between a first clutch part and a second clutch part, having at least one first and at least one second disc that engage one another and that are movable parallel to a rotational axis of the multi-disc clutch, and having a reset device for the reciprocal ventilation of adjacent discs. The first clutch part is connected in a rotationally secure fashion to the first disc and the second clutch part is connected in a rotationally secure fashion to the second disc. The reset device has at least two reset elements that are disposed eccentrically relative to the rotational axis and distributed in the circumferential direction. | 02-17-2011 |
| 20110015843 | METHOD FOR CLASSIFYING A CLUTCH UNIT - 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. | 01-20-2011 |
| 20100327199 | Solenoid Valve - The invention relates to a solenoid valve for controlling a hydraulic system, having a coil, which is composed of an electrical conductor, having an armature, which is situated at least partially inside the coil and is connected to a valve element for opening and closing a flow opening of the solenoid valve, and having a hydraulic fluid-filled valve chamber that accommodates the armature and communicates fluidically with the hydraulic system. The armature is supported in movable fashion in the hydraulic fluid of the hydraulic system; in order to reduce the viscosity of the hydraulic fluid, the coil is situated so that a heating of the coil produced by a current flow produces a heating of the hydraulic fluid in the valve chamber. | 12-30-2010 |
| 20100326778 | Brake pedal simulator and brake system - A brake pedal simulator for a brake system of a motor vehicle has a chamber with hydraulic fluid which is limited by a first piston coupled to a brake pedal, a second piston having restoring means for producing a restoring force, and a third piston driving a pressure transducer. The first and second pistons are functionally connected together by the hydraulic fluid when a first valve is open to transmit the restoring force to the first piston upon movement against the hydraulic fluid. This first functional connection is interrupted when the first valve is closed. The first and second pistons are functionally connected together by the hydraulic fluid when a second valve is open to transmit movement of the first piston to the third piston. This second functional connection is interrupted when the second valve is closed. | 12-30-2010 |
| 20100285917 | DIFFERENTIAL GEAR - A transmission has a rotatable differential cage ( | 11-11-2010 |
| 20100282564 | TORQUE SETTING DEVICE - A device for setting the torque transferred from a primary shaft to a secondary shaft by a friction clutch comprises a supporting element and an axially displaceable adjusting element which is rotatable with respect to the supporting element and which is operatively connected to the friction clutch for the actuation of the latter, the adjusting element comprising a toothed ring, and the supporting element and adjusting element cooperating via coupling elements in such a way that a rotation of the adjusting element in relation to the supporting element brings about an axial displacement of the adjusting element in relation to the supporting element. The device comprises a linearly displaceable rack element which is in engagement with the toothed ring of the adjusting element, and an electrically activatable linear drive arrangement for the controlled displacement of the rack element. | 11-11-2010 |
| 20100219035 | TORQUE TRANSMISSION DEVICE - The invention relates to a torque transmission device, especially for the drive train of a motor vehicle, said device comprising a pump comprising a first pump part, a second pump part, a suction chamber and a pressure chamber, the first pump part and the second pump part being mutually rotatable. A rotary movement of the first pump part in relation to the second pump part allows a hydraulic fluid to be transported from the suction chamber into the pressure chamber of the pump, torque transmitted between the first pump part and the second pump part depending on the pump pressure generated by the pump. At least one pressure control device is associated with the pump, said device constricting a fluid stream transported by the pump in a variable manner in order to vary the rotational speeds of the first pump part and the second pump part in relation to each other. | 09-02-2010 |
| 20100210365 | DUAL-MASS FLYWHEEL - The present invention relates to a dual-mass flywheel for a drive train of a motor vehicle, having one primary flywheel mass and one secondary flywheel mass ( | 08-19-2010 |
| 20100180721 | Transmission With Lubrication Device - The invention relates to a transmission for a motor vehicle having a rotatable transmission element arranged in a first section of the transmission; a store of liquid arranged in a second section of the transmission separate from the first section; a collection device for liquid thrown off by the transmission element having a return passage through which a first portion of the thrown off liquid can be returned to the first transmission section and an outlet to supply a second portion of the thrown off liquid back to the liquid store; and a passage for the liquid which connects the liquid store to the first transmission section and which has a temperature-controlled restrictor element functioning to inhibit the inflow of liquid from the liquid store into the first transmission section when a fluid temperature in the first transmission section falls below a temperature threshold value. | 07-22-2010 |
| 20100155192 | HYDRAULIC SYSTEM - The present disclosure relates to a hydraulic system with a hydraulic fluid, with a work element actuable by the fluid, with a fluid pump for the application of a fluid pressure to the fluid, with the fluid pump being operable to generate a reference depression in the system, and with a pressure sensor for the measurement of the fluid pressure which is in communication with a control unit which is designed to carry out a calibration of the pressure sensor with reference to the reference depression. The present disclosure also relates to a method for the calibration of a pressure sensor which is provided for the measurement of the fluid pressure of a hydraulic fluid contained in a hydraulic system. | 06-24-2010 |
| 20100094519 | POWERTRAIN FOR A MOTOR VEHICLE - The invention relates to a powertrain for a motor vehicle having a permanently driven primary axle, comprising: a drive unit for the generation of a drive torque; a first clutch for the transfer of a variable portion of the drive torque to a secondary axle of the motor vehicle; a second clutch for the deactuation of a torque transfer section of the powertrain arranged between the first clutch and the second clutch when the first clutch is opened; and a control unit for the automatic control of the first clutch, with the control unit being connected to at least one sensor for the detection of a wheel slip at the primary axle; with the control unit being made, starting from a deactuated state of the torque transfer section, to close the second clutch in dependence on a detected wheel slip at the primary axle. | 04-15-2010 |
| 20100089685 | CLUTCH - The invention relates to a clutch having two clutch parts which can be brought into engagement in form fitted manner for the torque transfer; and a shift member which is movable in a first direction to bring the clutch parts out of engagement and is movable in a second direction to bring the clutch parts into engagement. A motor is provided for the movement of the shift member in the first direction and a spring element is provided for the movement of the shift member in the second direction. | 04-15-2010 |
| 20100089199 | TORQUE TRANSFER DEVICE - A torque transfer device for a motor vehicle has an input element, at least one output element, a friction clutch for the setting of a torque transfer from the input element to the output element and an actuator. The actuator includes a drive motor, a reduction gear unit and a ramp ring mechanism. The ramp ring mechanism has at least one rotatable first actuator ring which is made to convert a rotary movement into an axial actuation of the friction clutch. The reduction gear unit has a worm gear having a worm and a spur gear section meshing with the worm, with the worm being coupled to the drive motor and the spur gear section being coupled to or made in one piece with the rotatable first actuator ring. The axis of rotation of the worm is inclined by an oblique position angle with respect to the rotational plane of the spur gear section, with the oblique position angle substantially corresponding to the pitch angle of the worm. The spur gear section has a straight toothed section. | 04-15-2010 |
| 20100065395 | MULTIPLATE WET CLUTCH - The invention relates to a multiplate wet clutch with a rotatable clutch hub which is rotationally fixedly connected to a plurality of inner plates which can be placed in frictional engagement with outer plates of an associated clutch cage, wherein the multiplate wet clutch has at least one fluid inlet opening which permits a fluid flow out of a fluid supply space to the plates. Arranged in the fluid flow path between the fluid inlet opening and the plates is at least one particle retention device. | 03-18-2010 |
| 20100019514 | COMPONENT ASSEMBLY WITH A RETAINING FUNCTION, HOLDING-OPEN SYSTEM AND METHOD FOR THE OPERATION THEREOF - The invention relates to a component ( | 01-28-2010 |
| 20100012455 | Power divider for motor vehicles comprising a controlled friction coupling - The invention relates to a power divider for motor vehicles, comprising a housing ( | 01-21-2010 |
| 20100010766 | Calibration method for a position determination of a rear axle steering actuator - 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 means of a reference measurement. The position determination system includes a linear sensor and a rotary sensor. During the calibration of the position determination system, 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 defined by the rotary sensor lies when the actuator element is arranged in its geometrical center position. The calibration information is stored in the linear sensor. | 01-14-2010 |
| 20100000490 | MASS BALANCE UNIT - A mass balance unit having an integrated secondary unit for an internal combustion engine of a motor vehicle has a mass balance housing in which at least one mass balance shaft is rotatably journaled and has a unit housing in which at least one drive shaft of the secondary unit is rotatably journaled. The mass balance housing is made in one piece such that the mass balance housing has at least one bearing section which surrounds a bearing opening peripherally in one piece in which the mass balance shaft is rotatably journaled. The unit housing is also made in one piece with at least one base section, with a wall section and with a bearing section such that the bearing section of the unit housing surrounds a bearing opening peripherally in one piece 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. The wall section of the unit housing is arranged at an end face of the mass balance housing. | 01-07-2010 |
| 20090272358 | METHOD FOR INSTALLING AN ASSEMBLY - The invention relates to a method for the installation of an assembly, in particular of a balance shaft unit for the compensation of mass or torque for internal combustion engines in motor vehicles. The assembly includes a housing part having at least one bearing section, at least one rotating component and at least one rolling element bearing for the axially fixed journaling of the rotating component in the bearing section of the housing part. The bearing section is closed in the peripheral direction and is made in one piece. The rolling element bearing has a first ring section and a second ring section, with the first ring section being associated with the rotating component and the second ring section being associated with the bearing section of the housing part. The rolling element bearing is axially fixedly installed at the rotating component or in the bearing section of the housing part in a first installation step. The rotating component is cooled and/or the housing part is heated in a second installation step. The rotating component is introduced into the bearing section of the housing part and is held there in a third installation step until a temperature compensation has taken place between the rotating component and the housing part such that a shrink-fit connection is established between the rotating component and the first ring section or between the second ring section and the bearing section of the housing part. | 11-05-2009 |
| 20090235781 | TRANSFER CASE ARRANGEMENT - The invention relates to a transfer case arrangement comprising a first output shaft, a second output shaft, a clutch for the distribution of a torque between the output shafts, a shutdown device for the shutting down of the second output shaft when the clutch is disengaged and a lubrication device for the lubrication of the clutch and/or of another component of the transfer case arrangement. | 09-24-2009 |
| 20090215574 | DIFFERNTIAL GEAR - The invention relates to a differential gear having a differential housing in which two conical compensating gears are rotatably supported about a first axis of rotation and two conical output gears meshing with the compensating gears are rotatably supported about a second axis of rotation oriented at right angles to the first axis of rotation, wherein a spring device is arranged between the differential housing and at least one of the output and/or compensating gears to load it with a spring force. | 08-27-2009 |
| 20090134846 | ENERGY SUPPLY SYSTEM AND ENERGY SUPPLY METHOD FOR VEHICLE SUBSYSTEMS - 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. | 05-28-2009 |
| 20090133661 | Balance shaft unit - 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. The housing part surrounds the periphery of the assembly opening in one piece, with the length of the assembly opening at the outer side of the housing part in a normal plane to the longitudinal axis of the balance shaft being smaller than the sum of the diameters of the two gears. A particularly high stability is hereby reached. | 05-28-2009 |
| 20090078489 | Transmission unit - The invention relates to a transmission for a motor vehicle with a transmission housing, with an electrical actuator for the actuation of the transmission and with an electrical control device for the control of the actuator. The transmission has a heat sink device | 03-26-2009 |
| 20090048749 | CONTROL METHOD FOR CLUTCH ARRANGEMENT - A method controlling a clutch arrangement that serves, in a powertrain of a motor vehicle, for the transmission of a torque from an input element to an output element. Starting from an activated state of the clutch arrangement, a respective estimated torque value is calculated in repeating calculation cycles. A torque build-up value is calculated in dependence on at least one speed difference value. A torque reduction value is calculated in dependence on at least the last calculated estimated torque value. The estimated torque value is re-calculated on the basis of the last calculated estimated torque value by up integration of the calculated torque build-up value and down integration of the calculated torque reduction value. The recalculated estimated torque value is compared with a torque threshold value. The clutch arrangement is deactivated when the recalculated estimated torque value is below the torque threshold value. | 02-19-2009 |
| 20090045027 | CLUTCH ARRANGEMENT - A clutch arrangement responsive to a speed difference including 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 prevails 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 at a leakage line that leads from the pressure space to a low pressure space and extends parallel to the pump. | 02-19-2009 |
| 20090045001 | Method for calibrating of an actuator of an all-wheel drive clutch - A method for the readjustment of an actuator of an all-wheel drive clutch of a motor vehicle that includes determining a clutch slip value corresponding to a difference between the speed of a primary axle and the speed of a secondary axle; determining a reference secondary axle torque corresponding to the proportion of a driving torque which is transmitted to the secondary axle and for which a clutch slip value of substantially zero is expected; and comparing the clutch slip value with a threshold value and comparing a desired clutch torque with the reference secondary axle torque. A desired clutch torque/control signal relationship for the clutch actuator is changed in dependence on the result of these comparisons. | 02-19-2009 |
| 20090026034 | Magnetorheological clutch - The present invention relates to a magnetorheological clutch including a primary part, a secondary part and a magnet for the generation of a magnetic field. The primary part and the secondary part are rotatable relative to one another around an axis of rotation of the clutch, with the primary part being rotationally fixedly connected to at least one disk. The disk is surrounded by coupling gaps in which a magnetorheological medium is arranged. The thickness of the at least one disk along the coupling gap has a value of approximately 0.4 mm to approximately 1 mm, with the at least one disk being formed along the coupling gaps without material interruptions. | 01-29-2009 |
| 20090026033 | Magnetorhelogical Clutch with Pot-Type Disks - A magnetorheological clutch consists of a stationary part, a primary part and a secondary part, a working space which contains a magnetorheological fluid being formed between primary part and secondary part, in which working space primary discs and secondary discs successively alternate in the radial direction, and a controllable magnetic field acting on the magnetorheological fluid. In order to prevent segregation of the fluid by centrifugal force in a simple type of construction, the working space is L-shaped in longitudinal section, the primary part is a shaft and the secondary part is a pot enclosing the working space, and are of pot-shaped design. | 01-29-2009 |
| 20090013809 | Manual Helical Planetary Transmission and Power Divider for Motor Vehicles Comprising Said Transmission - A manual helical planetary transmission comprises a housing, a sun gear, a planet carrier with helical planetary gears and an axially displaceable ring gear which can be coupled to the housing or to the planet carrier. The transmission provides a compact and easy-to-produce solution for locking the gears. For this purpose, first saw-tooth coupling teeth are provided on both sides of the fronts of the ring gear and have a gently sloping first profile. Second saw-tooth coupling teeth provided on the housing and the planet carrier have a gently sloping profile and fit into the first coupling teeth. In the respective gear, the peripheral forces acting upon the ring gear force the gently sloping first profiles of the first coupling teeth against the gently sloping first profiles of the second coupling teeth on the housing or the planet carrier, thereby frictionally keeping the ring gear in the respective engaged position. | 01-15-2009 |
| 20080281495 | Method and apparatus for the generation of a setting signal for an actuator of a clutch unit of a motor vehicle - A method and control apparatus for the generation of a setting signal for an actuator of a clutch unit of a motor vehicle with which the torque to be transmitted by the clutch unit can be set. A desired value for the torque to be transmitted is determined by a main control unit in dependence on predetermined first parameters. A setting signal for the actuator corresponding to the desired value is generated by an additional control unit on the basis of the determined desired value. A desired value tolerance range for the determined desired value of the torque is determined by the main control unit in dependence on predetermined second parameters. The desired value tolerance range is transmitted to the additional control unit, with the additional control unit determining an actual value of the torque transmitted or transmissible by the clutch unit and generating a new setting signal for the actuator when the actual value is outside the desired value tolerance range. | 11-13-2008 |
| 20080277231 | Multi-disk clutch - A multi-disk clutch having a plurality of interengaging disks movable along a longitudinal clutch axis and a resetting device for the mutual release of adjacent disks along a release distance, with the release distance being bounded by an abutment device. The abutment device includes at least one contact section of a clutch part movable along the longitudinal clutch axis and at least one contact section of an axially fixed clutch part, with the moving clutch part and the axially fixed clutch part having different thermal coefficients of expansion and with the contact sections at both sides cooperating such that the bounding of the release distance varies in dependence on the temperature, with at least one of the contact sections having a sloping surface. | 11-13-2008 |
| 20080277224 | Method and apparatus for the setting of the torque transmitted by a friction clutch - A method and apparatus for the setting of the torque transmitted by a friction clutch by means of an actuator chain having an electric motor which effects a displacement of a pressure plate of the friction clutch via a reduction gear and a mechanism for the conversion of the rotary movement of the electric motor. In the method, on the basis of a given torque/angle dependence, a desired angle of rotation of the electric motor or of a link of the actuator chain is determined from the torque to be transmitted by the friction clutch and is set in a setting process by means of a regulator acting on the electric | 11-13-2008 |
