| Audi AG Patent applications |
| Patent application number | Title | Published |
|---|
| 20120126498 | DEVICE FOR ADJUSTING CAMBER AND/OR TOE - The invention relates to a device for adjusting the camber and/or toe of the wheels ( | 05-24-2012 |
| 20120111307 | TANK VENTING DEVICE FOR A FUEL TANK OF A MOTOR VEHICLE - A tank venting device for a fuel tank of a motor vehicle includes an activated carbon filter which is connected to a fuel tank via a first gas line and connected to the atmosphere or ambient environment via a second gas line. A valve unit includes a single two-stage solenoid valve to control a gas flow through the first and second gas lines. | 05-10-2012 |
| 20120109448 | WRITING OF AN ABSOLUTE KILOMETER READING INTO A MEMORY ELEMENT, IN PARTICULAR OF A WIRELESS KEY - The invention relates to a method for transmitting vehicle data in the form of kilometer readings of a motor vehicle ( | 05-03-2012 |
| 20120098221 | WHEEL SUSPENSION FOR THE REAR WHEELS OF MOTOR VEHICLES - The invention relates to a wheel suspension for motor vehicles, comprising a wheel carrier ( | 04-26-2012 |
| 20120097364 | VALVE ARRANGEMENT FOR VENTING A COOLANT CIRCUIT OF AN INTERNAL COMBUSTION ENGINE - A valve arrangement for venting a coolant circuit of an internal combustion engine having several subcircuits includes a valve which is in fluid communication with a primary vent line extending from one of the subcircuits. At least one secondary vent line is in fluid communication with the valve and extends from another one of the subcircuits. The primary and secondary vent lines are connectable to a shared third vent line which feeds into a compensating reservoir arranged at a geodetically highest point in the coolant circuit. The valve is constructed to establish a continuous fluid communication of the primary vent line with the compensating reservoir via the third vent line and to establish a fluid communication of the secondary vent line with the compensating reservoir via the third vent line only in the presence of air bubbles in the secondary vent line. | 04-26-2012 |
| 20120090576 | FUEL DISTRIBUTOR SYSTEM FOR A MOTOR VEHICLE, AND METHOD OF MANUFACTURING A FUEL DISTRIBUTOR SYSTEM - A fuel distributor system for a motor vehicle includes a fuel pipe having an interior space, and at least one receiving tube for receiving an injector. The receiving tube is arranged on the fuel pipe and configured to project into the interior space of the fuel pipe. The receiving tube has an end face formed with an opening for introduction of fuel, and includes a first portion which is arranged in the interior space of the fuel pipe, and a second portion which is arranged outside the fuel pipe. The first portion has an axial dimension which is greater than an axial dimension of the second portion of the receiving tube. | 04-19-2012 |
| 20120085512 | Vehicle cooling system - The disclosure relates to a cooling system and a method for operating the cooling system for cooling a battery of a vehicle using a coolant circuit. The cooling circuit includes a pump device, a heat exchanger for transferring heat between a coolant and the battery, a heat exchanger for transferring heat between the coolant and the surroundings, and a heat exchanger for transferring heat between the coolant and a refrigerant circulating in a refrigerant circuit. The refrigerant circuit is designed with a heat exchanger and an associated expansion element. The refrigerant circuit includes two additional expansion elements. The first expansion element is arranged upstream of the heat exchanger and the second expansion element is arranged downstream of the heat exchanger, with regard to the direction of the refrigerant flow. The heat exchangers designed as evaporators on the refrigerant side can be operated with different pressure and temperature levels. | 04-12-2012 |
| 20120085424 | METHOD FOR ADJUSTING PRESSURE IN A FUEL TANK AND A FUEL TANK SYSTEM - A method and a fuel tank system for adjusting a pressure in a fuel tank are described. Evaporated fuel tank escapes from the fuel tank under overpressure with respect to the ambient and is transferred to a temporary storage for at least one substance of the evaporated fuel. A venting means, through which the evaporated fuel escapes, is controlled by at least one parameter different from a pressure or at least one information provided in form of data. The pressure in the fuel tank can thereby be more variably adjusted. | 04-12-2012 |
| 20120085321 | FUEL DISTRIBUTION PIPE FOR A MOTOR VEHICLE AND METHOD FOR ARRANGING A FUEL DISTRIBUTION PIPE - A fuel distribution pipe for a motor vehicle includes a tubular body having an end face, and a closure part which is arranged on the end face for sealing the tubular body against fuel leakage. The closure part is constructed as a retaining member for securing the fuel distribution pipe on a component of the motor vehicle. | 04-12-2012 |
| 20120085114 | REFRIGERANT CIRCUIT OF AN HVAC SYSTEM OF A MOTOR VEHICLE - The invention relates to a refrigerant circuit and a process for operation of the refrigerant circuit of an HVAC system of a vehicle, particularly an electric or hybrid vehicle. The refrigerant circuit includes a primary circuit with a compressor, a heat exchanger for heat transmission between the refrigerant and the environment, a collector, a first expansion member, a heat exchanger for supply of heat from the fresh air to be conditioned of the vehicle interior to the refrigerant and a heat exchanger arranged switched in parallel to the heat exchanger. Further, the refrigerant circuit is provided with a secondary train that extends starting from a tapping point positioned between the compressor and the heat exchanger up to a connection point and is provided with a heat exchanger for heat transmission from the refrigerant to the fresh air to be conditioned for the vehicle interior, and a subsequent control valve. | 04-12-2012 |
| 20120079913 | ASSEMBLED SHAFT ELEMENT, PARTICULARLY ASSEMBLED CAMSHAFT FOR VALVE-CONTROLLED INTERNAL COMBUSTION ENGINES - The present invention relates to an assembled shaft element, in particular an assembled camshaft for valve-controlled internal combustion engines, wherein a hub body having at least one functional part, in particular at least one cam, is held on a shaft by a formfit connection using a splined tooth system in the circumferential direction, wherein the splined tooth system includes shaft splines formed on the shaft and interacting with hub body splines formed in a hub body recess. According to the invention, the at least one hub body ( | 04-05-2012 |
| 20120074775 | ON-BOARD ELECTRICAL SYSTEM FOR A MOTOR VEHICLE AND METHOD FOR OPERATING AN ELECTRICAL LOAD - Disclosed is a method allowing the advantageous operation of an on-board electrical system ( | 03-29-2012 |
| 20120055652 | FAIL-SAFE ROTARY ACTUATOR FOR A COOLANT CIRCUIT - The invention relates to a fail-safe rotary actuator ( | 03-08-2012 |
| 20120055231 | METHOD FOR DETERMINING A DELAY TIME OF A PRE-CATALYTIC CONVERTER LAMBDA PROBE AND METHOD FOR DETERMINING THE OXYGEN STORAGE CAPACITY OF AN OXYGEN STORE - The output signal of a pre-catalytic converter lambda probe and the output signal of a controller are used to determine an inherent delay time of the pre-catalytic converter lambda probe, for example due to aging of the probe, by measuring, for example, the separation between maxima in these output signals. The pre-catalytic converter lambda probe is installed in an exhaust gas system of an arrangement wherein an internal combustion engine operated under controlled conditions. The determined delay time can be used to determine the oxygen storage capacity of an oxygen store associated with a catalytic converter in the arrangement by determining with the pre-catalytic converter lambda probe the start of a time interval over which integration takes place, and determining the actual end time of the integration by adding the delay time to an end time determined from an output signal of the post-catalytic converter lambda probe. | 03-08-2012 |
| 20120042186 | CONTROL DEVICE FOR A VEHICLE NETWORK AND METHOD FOR OPERATING A VEHICLE NETWORK - A control device ( | 02-16-2012 |
| 20120038093 | Elastomeric Plain Bearing Having Switchable Rigidity - The invention provides a bearing body ( | 02-16-2012 |
| 20120031178 | METHOD FOR DETERMINING THE OXYGEN STORAGE CAPACITY OF A CATALYTIC CONVERTER - An offset in the signal of a pre-catalytic converter lambda probe of an exhaust gas system of an internal combustion engine affects a measured oxygen intake storage capacity and a measured oxygen removal storage capacity of an oxygen store with identical magnitude, but with opposite mathematical sign, so that their sum is independent of the offset. The oxygen intake storage capacity and the oxygen removal storage capacity are hereby determined until the output signal of the post-catalytic converter probe exceeds an intermediate threshold value of, for example, 0.45 V for intake and 0.8 V for removal. Exposure of the oxygen store to rich and/or lean exhaust gas is maintained after this threshold value has been crossed to ensure that the oxygen store is indeed sufficiently filled after the oxygen intake storage capacity has been measured, or is sufficiently emptied after the oxygen removal storage capacity has been measured. | 02-09-2012 |
| 20120031075 | METHOD FOR DETERMINING OXYGEN STORAGE CAPACITY - The oxygen storage capacity of an oxygen store associated with a catalytic converter of a combustion engine is computed by forming an integral which begins at the time of a changeover in the exposure, e.g., from rich to lean, and ends when the output signal of a post-catalytic converter lambda probe is less than a threshold value. A correction is performed to take into a consideration a time offset in the signals of the post-catalytic converter lambda probe. In particular, the time offset is measured to determine a time at which the integration should have been terminated, wherein this time is inferred retroactively. | 02-09-2012 |
| 20120017721 | SHAFT-HUB CONNECTION - The invention relates to a shaft-hub connection, in particular of assembled camshafts ( | 01-26-2012 |
| 20110308166 | APPARATUS FOR SPRING-ASSISTED PIVOTING OF A LIFTGATE OR DOOR, AND METHOD FOR PRODUCING SUCH APPARATUS - An apparatus for spring-assisted pivoting a liftgate or door against gravity between a closed position and an open position includes a torsion bar spring system with springs arranged in parallel in a meander pattern and connected with one another in fixed rotative engagement. An outer bearing-torsion bar spring and another outer lever-torsion bar spring are each supported in a support bracket of a tracker. The lever-torsion bar spring is connected in fixed rotative engagement with a length-adjustable lever guided in a control cam of the tracker. A coupling rod configured for translatory movement engages with the length-adjustable lever for rotating a hinged lever associated with the liftgate or door. An adjusting device is connected with the bearing-torsion bar spring in fixed rotative engagement and can be variably locked relative to the support bracket. A method for producing such apparatus is also disclosed. | 12-22-2011 |
| 20110302918 | Motor vehicle and method for operating a combustion engine - The invention relates to a motor vehicle with a combustion engine ( | 12-15-2011 |
| 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 |
| 20110284125 | Tank venting device for a fuel tank of a vehicle, and method for venting a fuel tank - The invention relates to a tank venting system for a fuel tank ( | 11-24-2011 |
| 20110278812 | ARRANGEMENT OF A STABILIZER ON A WHEEL SUSPENSION FOR MOTOR VEHICLES - The invention relates to an arrangement of a stabilizer ( | 11-17-2011 |
| 20110278811 | ARRANGEMENT OF A STABILIZER ON A WHEEL SUSPENSION FOR MOTOR VEHICLES - The invention relates to an arrangement of a stabilizer ( | 11-17-2011 |
| 20110265741 | COOLANT CIRCUIT FOR AN INTERNAL COMBUSTION ENGINE - A coolant circuit for an internal combustion engine having a cylinder crankcase with at least two opposing cylinder banks, and cylinder heads associated to the cylinder banks, includes a first subcircuit for cooling the cylinder crankcase and a second subcircuit in separate parallel relationship to the first subcircuit for cooling the cylinder heads. A coolant pump circulates a coolant at least temporarily between a main heat exchanger and the cylinder heads and/or cylinder crankcase. At least one check valve is arranged in the first subcircuit to allow a flow of coolant through the cylinder banks only in a direction from an intake side to an exhaust side. | 11-03-2011 |
| 20110248844 | METHOD FOR CONTROLLING A LOCKING SYSTEM OF A MOTOR VEHICLE AND A MOTOR VEHICLE - The invention relates to a method for controlling a locking system of a motor vehicle wherein, as the states of the locking system, there is an unlocked state, a locked state from which it is possible to switch to the unlocked state via at least a first operating element inside the vehicle, and a security state in which by simply activating a first operating element it is not possible to switch to the unlocked state. The aim of the invention is to propose a method that allows a person inside the motor vehicle to still leave the motor vehicle despite user activation of the security state without substantially easing the opening of the motor vehicle from the outside by an unauthorized third party. Four concepts are proposed that can all be implemented in combination to great benefit. They enable a person still inside the vehicle to leave the motor vehicle upon activation of the security state. | 10-13-2011 |
| 20110239965 | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE - The invention relates to a method for operating an internal combustion engine with a crankcase, a crankcase vent and an intake system. According to the invention, the pressure in the crankcase can be reduced, depending on a differential pressure between the intake system and the crankcase, to maximally −500 mbar, in particular maximally −300 mbar, with respect to ambient pressure for reducing lubricant consumption of the internal combustion engine. | 10-06-2011 |
| 20110210525 | WHEEL SUSPENSION FOR MOTOR VEHICLES - The invention relates to a wheel suspension for motor vehicles with level adjustment of the body, having a vertical adjusting device ( | 09-01-2011 |
| 20110160981 | Method for Operating a Drive Unit and Drive Unit - The invention relates to a method for operating a drive unit, wherein the drive unit has an internal combustion engine, which is provided with at least one fuel pump, which is controlled and/or regulated by a pump control unit and which is intended for introducing fuel into a pressure accumulator; a metering system for introducing fuel, which has been metered by means of a lambda function unit, from the pressure accumulator into the internal combustion engine; and a pressure sensor for determining the pressure in the pressure accumulator; and wherein the output variables of the pump control unit and the lambda function unit are evaluated in order to determine a malfunction of the internal combustion engine. In this case, it is provided that additionally the pressure sensor is subjected to at least a defined test pressure for at least a short period of time and that the pressure that is measured with the pressure sensor is compared with the defined test pressure, in order to determine or rule out a malfunction of the pressure sensor. Furthermore, the invention relates to a drive unit. | 06-30-2011 |
| 20110138778 | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE - The invention relates to a method that is intended for operating an internal combustion engine of a motor vehicle and that flushes the temporarily unused injection valves with fuel for the purpose of preventing and/or removing deposits. In order to make possible in a simple way a complete conversion of the undesired exhaust gas constituents in a catalytic converter of an exhaust gas aftertreatment system of the internal combustion engine when the internal combustion engine is running, the invention proposes flushing the temporarily unused injection valves with fuel during an overrun mode of the internal combustion engine. | 06-16-2011 |
| 20110114905 | TELESCOPICALLY COLLAPSIBLE SCISSOR CAR JACK - A scissor car jack includes a spindle, a base, a support head, a cross-member, and a spindle support with a threaded bore for holding the spindle. The base and support head are rotatably connected to the crossmember and the spindle support by way of a respective support arm, and wherein the support arms are connected with one another in the area of the base and the support head and/or in the area of the crossmember and the spindle support, and the spindle is coupled to the crossmember and the spindle support so that when the spindle is rotated, the distance between the spindle support and the crossmember can be changed. The length of the support arms can be changed telescopically and can be locked in the extended state by way of locking pins so that the scissor jack can be collapsed into a smaller volume, in particular for purposes of stowage. | 05-19-2011 |
| 20110079738 | Filter Means, Motor Vehicle, and Method for Operating Filter Means - The invention relates to an activated charcoal filter for storing and releasing gaseous hydrocarbons which originate from a fuel supply means of a motor vehicle. The activated charcoal can be supplied with gaseous hydrocarbons via an inlet. A heating means for heating of the activated charcoal is made available by a tank shutoff valve by means of which the inlet can be shut off. Since the tank shutoff valve is being operated as a heating means, an additional heating means for regenerating the activated charcoal can be omitted. Furthermore, the invention relates to a motor vehicle with such an activated charcoal filter and a method for operating an activated charcoal filter. | 04-07-2011 |
| 20110077908 | Method for Diagnosing the Functional Reliability of a Lambda Probe - In the change from lean to rich exhaust gas or vice versa, signals are recorded by a lambda probe and are used to diagnose the functional reliability of this lambda probe So that special reliability of this procedure is ensured, the change is triggered by an event. The event can be defined by signals of the lambda probe or can be caused by control actions of the operator in the motor vehicle. | 03-31-2011 |
| 20110054646 | Predictive Environment Music Playlist Selection - An entertainment system has a music storage system storing a plurality of music pieces, a playback system coupled with the music storage system, a navigation system providing current map information including a present location, wherein a current map has a plurality of zones each being assigned to one of a plurality of zone types, and a controller for controlling playback of selected music pieces, wherein the controller maintains a plurality of playlists, each having a plurality of music pieces and being assigned to at least one zone type. The controller receives information of a present location and a current zone type and selects an assigned playlist, wherein the navigation system further provides information about a distance and/or time to a next zone. The controller modifies the assigned playlist such that a transition to the next zone is timely synchronized with the ending of a music piece of the assigned playlist. | 03-03-2011 |
| 20110025077 | FRONT HOOD SAFETY CLOSURE SYSTEM HAVING A SEPARATE CATCH-HOOK CONTROL - A front hood safety closure system for motor vehicles includes a rotary latch disposed in a manner allowing it to swivel about an axis, a catch hook assigned to it, a striker as well as a retaining pawl likewise disposed in a manner allowing it to swivel about an axis, in the closed position of the front hood, the rotary latch being operatively connected to the striker located on the front hood in that the rotary latch receives the middle limb of the substantially U-shaped striker within a fork-shaped recess adapted to the shape of the striker, and when the locking of the front hood is released, the striker being operatively connected to the catch hook performing a safety function upon release of the retention by the rotary latch, both the rotary latch and the retaining pawl being assigned a stop, and the retaining pawl being operable by a Bowden cable or electromotive drive. | 02-03-2011 |
| 20100308518 | Spring Strut Arrangement for Wheel Suspension of Motor Vehicles - The invention relates a spring strut arrangement for wheel suspensions of motor vehicles, which is formed from a telescoping shock absorber, a suspension spring element which is preferably made as a helical compression spring, and a preloaded spring element which is preferably made as a helical compression spring, the spring elements being supported by way of spring caps on the body of the motor vehicle and on a wheel suspension element and a third spring cap located in between being movably guided along the longitudinal axis of the shock absorber relative to the body by way of an electrically driven positioning drive which is located within the spring elements, the positioning drive having a positioning spindle which is pivoted around the shock absorber and an adjusting nut which is connected to the movable spring cap. According to the invention, the shock absorber with the shock absorber tube is located at the top on the body of the motor vehicle and the positioning spindle is pivoted on the shock absorber tube. | 12-09-2010 |
| 20100260576 | Securing Nut - In order to improve a securing nut comprising a base member which is provided around its circumference with a key face contour, a threaded bolt receptacle which is provided with an internal thread and passes through the base member in the direction of a central axis as well as at least one clamping element which is provided on the base member, in such a manner that it is, on the one hand, simple to produce and, on the other hand, allows reliable clamping without damaging the threaded bolt it is suggested that the clamping element be a collar which is arranged on one side of the base member and in which the internal thread is continued, and that the collar extend around the threaded bolt receptacle in an essentially closed manner in circumferential direction with respect to the central axis. | 10-14-2010 |
| 20100253026 | Device for Adjusting the Chamber and/or Toe of the Wheels of Wheel Suspensions - The invention relates to a device for adjusting the camber and/or toe of a driven wheel of a wheel suspension, in particular for motor vehicles, with a wheel carrier on which the wheel is pivoted, the wheel carrier being divided into a carrier part which holds the wheel a guide part which is connected to the wheel suspension and into two pivotal parts which are arranged in between, which can be rotated to one another as well as to the carrier part and to the guide part around axes of rotation, and which interact with control surfaces which face one another and which are inclined by a defined angle to the axis of rotation, and a wheel drive shaft which is guided by the carrier part and guide part and by the pivotal parts. According to the invention, the carrier part has a hub section which surrounds the wheel drive shaft and which extends to the guide part, and around which the two pivoted part are situated, and that between the hub section and the guide part an inner sealing element is connected which seals an annular gap between the hub section and the guide part. | 10-07-2010 |
| 20100240485 | Axle Drive Device for an Axle of a Motor Vehicle, as well as Motor Vehicle - The invention relates to an axle drive device ( | 09-23-2010 |
| 20100162804 | Method for Checking the Function of a Tank Venting Valve - The invention relates to a method for checking the function of a tank venting valve between the intake manifold of an internal combustion engine and a fuel tank or a fuel vapor reservoir in which the tank venting valve in operation of the internal combustion engine is opened several times and is closed again after a short opening time and in which during repeated opening and closing the time characteristic of a quantity which is dependent on the opening state of the tank venting valve is recorded. In order to enable a reliable function check of the tank venting valve even in the case of very small and/or time-shifted amplitudes of the quantity to be monitored, it is proposed, according to the invention, that the first derivative of the time characteristic of the quantity be evaluated. | 07-01-2010 |
| 20100139381 | Method and Device for Monitoring an Ozone-Oxygen Conversion Means, especially for Vehicles - The invention relates to a method for monitoring the operation of an ozone-oxygen conversion means, especially for monitoring of the installation site of a heat exchanger and/or a temperature sensor (DOR sensor) of an ozone-oxygen conversion means, especially for vehicles, the ozone-oxygen conversion means having at least one catalytically coated heat exchanger through or around which air flows and through which a heat exchange medium flows, with at least one temperature sensor (DOR sensor) located on or in the heat exchanger for detecting the heat exchanger temperature, especially for detecting the surface temperature of the heat exchanger, for a defined time interval the temperature characteristics (tka, tprem) at the heat exchanger outlet and on the DOR sensor being determined and thus set into a relation to one another and/or to given comparison quantities and/or values such that evaluation of the operation of the ozone-oxygen conversion means and/or of the installation site of the catalytically coated heat exchanger and/or of the DOR sensor can be carried out, such that
| 06-10-2010 |
| 20100139268 | Internal Combustion Engine with Two Chargers and Method for Operating Same - The invention relates to an internal combustion engine with at least one cylinder which has at least two exhaust valves which are connected to exhaust gas lines in which there are the turbines of the exhaust gas turbochargers which have compressors for the charging air of internal combustion engines. It is provided that downstream from the compressors there is a merge ( | 06-10-2010 |
| 20100132665 | Method for Controlling as well as Method for Reducing Engine Speed - The motion of a piston in an engine is braked, for example, within the scope of a method for controlling the engine speed, in that ignition takes place prior to a predetermined optimum ignition point. In this way, more than half of the fuel burns before the piston reaches top dead center. Thus, before the actual stroke of performing work, the motion of the piston is opposed and the piston and thus the crankshaft are braked. | 06-03-2010 |
| 20100109264 | Method for Producing Different Vehicle Models as well as Wheel Suspension for a Vehicle - The invention relates to a method for producing different vehicle models in which in a comfort-oriented version a vehicle wheel is pivoted in a wheel guiding element of a wheel suspension. According to the invention, in a model with enhanced dynamics of vehicle motion, between the wheel guiding element and the vehicle wheel in the axial direction, an actuator is interposed for adjusting the camber and/or track of the vehicle wheel. | 05-06-2010 |
| 20100095747 | Method and Device for Testing the Tightness of a Fuel Tank of an Internal Combustion Engine - The invention relates to a method and a device for testing the tightness of a fuel tank of an internal combustion engine, in particular of a vehicle, with a pressure switch which communicates with the interior of the fuel tank, and a diagnosis means for testing the serviceability of the pressure switch by evaluating the switching status of the pressure switch. So that diagnosis of the pressure switch is possible even with the internal combustion engine shut off or the vehicle turned off and for internal combustion engines with exhaust gas turbochargers, it is proposed, according to the invention, that the diagnosis means test the opening behavior of the pressure switch when the temperature rises. | 04-22-2010 |
| 20100083657 | Method for Controlling and/or Adjusting a Charging Pressure of an Exhaust Gas Turbocharger as well as an Internal Combustion Engine - The invention relates to a method for controlling and/or adjusting the charging pressure of an exhaust gas turbocharger of an internal combustion engine, the exhaust gas turbocharger having a turbine, a compressor which is driven by the latter and which makes available compressed fluid for the internal combustion engine, and a pressure setting device for setting the turbine inlet pressure. Here, it is provided that the turbine inlet pressure is set to a defined turbine inlet pressure such that for the internal combustion engine there is a maximum indicated medium pressure and/or a maximum effective medium pressure, the defined turbine inlet pressure being computed by means of an air model. The invention furthermore relates to an internal combustion engine with an exhaust gas turbocharger. | 04-08-2010 |
| 20100078910 | Steering Device for a Motor Vehicle - The invention relates to a steering device for a vehicle, with at least one actuator which pivots at least one steerable vehicle wheel by a steering angle which can be stipulated by way of a steering angle transducer. According to the invention, the actuator has a wheel-side pivoted part and an axle-side pivoted part which can be turned around their axes of rotation to one another and that to set the steering angle of the vehicle wheel, the wheel-side pivoted part can be deflected in the turning of the two pivoted parts by the swivel angle (φ) relative to the axle-side pivoted part. | 04-01-2010 |
| 20100072714 | WHEEL SUSPENSION FOR MOTOR VEHICLES - The invention relates to a wheel suspension for motor vehicles, with at least one wheel-side support member which pivotally supports one vehicle wheel and at least one axle-side support member, between which at least one intermediate element is connected, in particular an actuator for setting the track angle and/or the camber angle (δ, ε) of the vehicle wheel. According to the invention the wheel-side support member and the axle-side support member are pressed into contact with one another by a pretensioning means with a pretensioning force (F | 03-25-2010 |
| 20100065002 | Tube Device for a Motor Vehicle Air Filter System and Related Method of Assembly - The invention relates to a motor vehicle air filter system with pipe elements for feed and discharge of an air flow, particularly for an internal combustion engine. To remove water which is filtered out of the air flow, under the bottom of the housing of the air filter a tube element is attached. Since this assembly region is poorly accessible, there is the risk that the tube element will be kinked or pinched during installation and thus water cannot properly drain out. In order to enable smooth and reliable assembly of the tube element, the tube element according to the invention is attached to the pipe element by means of carrier elements. In the assembly of the pipe element the tube element is automatically located at the proper position in the installation space. Here it is protected against kinking by its connection to the pipe element. | 03-18-2010 |
| 20100037591 | Method and Device for Purifying an Exhaust Gas Flow of a Lean-Burning Internal Combustion Engine - A method and device for purifying an exhaust gas flow of a lean-burning internal combustion engine, with a particle filter which stores particles both in rich and lean operation of the internal combustion engine and which has at least one catalytically active component on which in lean operation of the internal combustion engine defined exhaust gas components, in particular carbon monoxides and/or hydrocarbons are oxidized, the particle filter furthermore having at least one catalytically active component on which in rich operation of the internal combustion engine defined nitrogen oxides are converted into ammonia using hydrogen present in the exhaust gas flow, the ammonia being temporarily stored in at least one SCR catalytic converter which is connected downstream to the particle filter in the exhaust gas flow direction, and the SCR catalytic converter having at least one catalytically active component on which in lean operation of the internal combustion engine defined nitrogen oxides are reduced using the ammonia which has been temporarily stored in the SCR catalytic converter by selective catalytic reduction (SCR). | 02-18-2010 |
| 20090282891 | Method for Diagnosing the Reliability Performance of a Jump Probe - In a change from a lean to a rich exhaust gas mixture, a characteristic behavior appeal's in a short time interval in the vicinity of the lambda jump of an upstream catalytic converter lambda probe in the signal characteristic which is measured by a downstream catalytic converter lambda probe. From the signals in small intervals, around the instant of changing, the reliability performance of the downstream lambda probe can be deduced without the actual probe jump in curves of the voltage characteristics having to be considered. | 11-19-2009 |
| 20090248252 | Method for Monitoring the Operating Conditions of Motor Vehicles - The invention relates to a method and a device for monitoring the operating conditions of motor vehicles, with a drive system with at least one differential that distributes drive torque to the driven wheels. To avoid unacceptable wear in the differential of the drive system, it is proposed that at least the output speeds of the differential, and, via a steering angle sensor, an at least approximate driving of the motor vehicle in a straight line are detected and are compared over a time interval, and that in the case where the differential speed of the output shafts is above a defined speed threshold and prevails over the time interval and the vehicle is driven in a straight line, a warning signal is generated. | 10-01-2009 |
| 20090236190 | WHEEL STUD SLEEVE FOR A CERAMIC BRAKE DISK - A sleeve for holding a mounting stud in the bore of a ceramic brake disk wherein the sleeve is made of metal and is equipped on one side with a collar, that slip-proof and captive attachment is effected by a flange on the opposite sleeve end, and that neither the collar nor the flange projects over the boundary planes which form the surface of the ceramic brake disk perpendicular to the axis of the bore. | 09-24-2009 |
| 20090235771 | SHIFT DEVICE FOR A SPEED CHANGE TRANSMISSION IN MOTOR VEHICLES - A shift device for a speed change transmission in motor vehicles having at least one selector rod which is movably supported in the gear housing in cross walls, by means of which rod the transmission steps in the gear housing can be shifted. The selector rod on one end penetrates a cross wall of the transmission, which wall separates the oil compartment, and by means of a plastic sleeve, which is sprayed onto the selector rod, is guided and sealed in the corresponding through hole of the cross wall of the transmission. | 09-24-2009 |
| 20090230640 | WHEEL SUSPENSION FOR STEERED WHEELS OF MOTOR VEHICLES - The invention relates to a wheel suspension for steered wheels of motor vehicles having a telescoping shock absorber which is preferably permanently connected to the wheel carrier and a helical compression spring which surrounds it and which is clamped between a lower spring plate which is preferably permanently connected to the shock absorber tube and an upper, body-side spring plate. According to the invention for vertical adjustment of the body around the shock absorber there is an actuator, and the actuator acts by way of an actuating pinion with the interposition of an axial anti-friction bearing on the upper spring plate. | 09-17-2009 |
| 20090229946 | DRIVE APPARATUS FOR MOTOR VEHICLES - The invention relates to a drive apparatus for motor vehicles, with an internal combustion engine whose power output shaft by way of a flywheel with an integrated torsional vibration damper and by way of a separating clutch drives the change-speed gearbox of the motor vehicle, the separating clutch with the secondary mass of the torsional vibration damper being pivoted on the input shaft of the transmission and the hub section of the separating clutch being supported directly or indirectly on the power output shaft in the axial direction. To prevent internal distortions and possibly wobble motions of the separating clutch, it is proposed that radially extending contact surfaces be made directly or indirectly spherical between the power output shaft and the hub section. | 09-17-2009 |
| 20090218783 | Wheel suspension for motor vehicles - The invention relates to a suspension for the wheels of an axle of a motor vehicle, especially for the steered front wheels. Said wheel suspension comprises wheel carriers that rotatably bear the wheels and are arranged so as to create straight-line steering via several individual links which are pivotally connected to the motor vehicle body and one respective track rod. Resilient means which directly or indirectly impress a certain prestress that acts around the spread axle of the wheels and in the opposite direction are provided in the wheel suspension in order to improve steering return and steering precision. | 09-03-2009 |
| 20090218070 | Heat Exchange Device and Method for Producing a Heat Exchange Element for a Heat Exchange Device - The invention relates to a heat exchange device, in particular a vehicle radiator, for indirect exchange of heat between a first medium and a second medium, with a first guide section for routing the first medium and a second guide section for routing the second medium, the first guide section being formed by a thermally conductive heat exchange element consisting of graphite foam and being spatially separated from the second guide section, at least part of a second guide section being formed by the heat exchange element. The invention furthermore relates to a method for producing a heat exchange element for a heat exchange device, in particular for the radiator of a motor vehicle. | 09-03-2009 |
| 20090178892 | Method and Device for Damping Vibrations - The invention relates to a method for damping vibrations on chassis bearings of motor vehicles, and a device for implementing the process. A process and a device are to be presented with which outstanding vibration damping and vibration isolation and noise insulation can be achieved over a wide frequency range with consideration of the driving states and roadway conditions which occur in motor vehicles. For this purpose it is proposed that the driving state of the motor vehicle and/or the roadway conditions are detected by way of sensors and that the at least one chassis bearing is modified to different characteristics to change its stiffness and/or damping depending on the detected parameters. The device is formed with sensors for detecting the driving state of the motor vehicle and for roadway conditions, with an electronic control device for processing the acquired signals and for selection of various controllable characteristics and at least one chassis bearing, the stiffness and/or damping of which can be modified. | 07-16-2009 |
| 20090152892 | Sun Visor For A Motor Vehicle - The present invention relates to a sun visor for a motor vehicle, with a planar, elongate main visor body which is mounted rotatably on a rotary spindle running approximately perpendicularly to the longitudinal extent of the main visor body, the rotary spindle being coupled to a main swivel spindle for swivelling the main visor body from a not-in-use position into a use position and vice versa, the main swivel spindle, in the not-in-use position, being integrated in the roof ( | 06-18-2009 |
| 20090151462 | PRESSURE DETERMINATION DEVICE AND METHOD FOR OPERATING A PRESSURE DETERMINATION DEVICE - The invention relates to a pressure determination device for determining the pressure in a fuel storage arrangement, with a connection element for connecting the pressure determination device to the fuel storage arrangement, a first chamber, a connecting line for communicating connection of the interior of the connection element to the first chamber, a second chamber, a membrane, and a switch, the interior of the connection element, the connecting line and the first chamber being made to accommodate throughflow of a fluid, the first chamber being made separated fluid-tight from the second chamber at least by means of the membrane, and the membrane being made for actuating the switch at least depending on the pressure of the fluid in the first chamber, and the connecting line being provided with a vibration damping element through which a fluid can flow. | 06-18-2009 |
| 20090146385 | Height Adjustment on a Wheel Suspension for Motor Vehicles - A height adjustment on a wheel suspension for motor vehicles, having a shock absorber which has a piston rod, which shock absorber is dynamically connected to the vehicle body, and to which shock absorber a helical spring is coaxially assigned which is clamped between two spring plates that can be changed in their active distance and that determine the spring deflection and rebound path relative to a normal level, the body-side end of the shock absorber being assigned a shock absorber cap which influences the free spring path “s” of the helical spring and which is made adjustable at the same time with the adjustable spring plate. | 06-11-2009 |
| 20090115401 | System comprising an automotive fuse and an A/D converter - The invention relates to a system which comprises an automotive fuse and an A/D converter. Conventional systems comprising an automotive fuse and an A/D converter are designed such that a measured value is generated at the automotive fuse, which value is then amplified and passed on to the A/D converter via a long signal line. The novel space-saving system is characterized in that the A/D converter is located in close vicinity to the automotive fuse. The automotive fuse supplies the non-amplified, analog measured value for the input of the A/D converter. Signal transmission is carried out digitally via a bus system. It is especially advantageous if all components are housing in a common housing. Signal transmission is then carried out digitally via a bus system. The inventive system is suitable for use in data bus systems of vehicles. | 05-07-2009 |
| 20090091432 | System and method for providing information in a vehicle - A system for providing information to a vehicle occupant includes a haptic control element which is provided in the vehicle and is configured to generate a haptic signal. An electronic control unit is operatively connected to the haptic control element and activates the haptic control element in order to indicate with a haptic signal that information is available for retrieval. | 04-09-2009 |
| 20090072460 | WHEEL SUSPENSION FOR MOTOR VEHICLES - The invention relates to a wheel suspension for motor vehicles, with a suspension strut which is formed from a shock absorber and a bearing spring, the bearing spring being supported by way of spring plates on the body of the motor vehicle and on the tube of the shock absorber, and a spring plate being movably guided relative to the body and able to be moved axially by means of an actuator relative to the shock absorber tube, and the suspension strut having a preloaded spring with a spring force which is opposite the bearing spring, which is supported on the body of the motor vehicle and also on the movable spring plate of the bearing spring. According to the invention, the actuator is located outside, in particular radially outside the suspension strut. | 03-19-2009 |
| 20090071450 | Charger module for an internal combustion engine - The invention relates to a charger module ( | 03-19-2009 |
| 20090049807 | Compensating Shaft Module - The invention relates to a compensating shaft module of an internal combustion engine of a motor vehicle or similar, comprising a compensating shaft and a cartridge which receives the compensating shaft at least in areas and is maintained by means of bearings. Said cartridge comprises at least one raw blowby-gas-inlet which is connected to a centrifugal force separator of the compensating shaft and a conveyor which conveys the blowby-gases into the inside of the compensating shaft, whereby the rotor thereof is arranged on the compensating shaft which comprises at least one pure blowby gas outlet which is arranged downstream of the conveyor. | 02-26-2009 |
| 20090045595 | HEIGHT ADJUSTMENT DEVICE FOR MOTOR VEHICLES - The invention relates to a height adjustment device for motor vehicles that is arranged between a height-adjustable spring plate ( | 02-19-2009 |
| 20090019848 | Method for controlling boost pressure in an internal combustion engine for motor vehicles - The invention relates to a method for controlling boost pressure in an internal combustion engine, comprising a boost pressure control device by means of which the boost pressure in an internal combustion engine is controlled, the boost pressure control device having a bypass unit, preferably in the exhaust gas flow of the internal combustion engine, and the bypass unit having an actuating device which enables the bypass unit when a predetermined actuating device setpoint value is reached. According to the invention, an adapted value is established as the correction value (pwgad) as a function of preset and/or detected internal combustion engine parameters (rlsol, nmot), by means of which the setpoint value for the actuating device, which is specified as a function of the operating point, for a predetermined control deviation is adapted between a boost pressure actual value and a boost pressure setpoint value. | 01-22-2009 |
| 20080295495 | Exhaust Gas System for Diesel Vehicles with an SCR Catalytic Converter - An exhaust gas system for diesel vehicles has a first exhaust line and a second exhaust line that can be connected at the exhaust end to an engine. The first and second lines with their ends pointing downstream are connected to an SCR catalytic converter and a device with which a reducing agent can be introduced into the exhaust gas at a location situated upstream from the SCR catalytic converter. An injection unit for the reducing agent is provided only on the first exhaust line, and a mixing device is provided upstream from the SCR catalytic converter so that the exhaust lines open into the mixing device, where the exhaust gas stream of the first exhaust line to which the reducing agent has been added becomes mixed with the exhaust gas stream from the second exhaust line that is free of reducing agent. | 12-04-2008 |
| 20080282787 | Method for diagnosing a storage-capable catalytic converter for exhaust aftertreatment in an internal combustion engine - In a method for diagnosing a storage-capable catalytic converter of an internal combustion engine which is supplied with sufficiently hot exhaust gas so that its temperature is above the starting temperature of the exhaust gas, it is proposed that the catalytic converter is briefly supplied with cooler exhaust gas so that a cold wave passing through it forms, that the axial position of the cold wave within the catalytic converter is computed, and that the size of the storage unit is determined from the signal of an exhaust gas probe connected downstream from the catalytic converter relative to the axial position of the cold wave. According to the invention, a differentiated diagnosis method is made available by which not only the axial position or the region of damage of the storage unit can be determined, but by which the reduction of conversion of a certain pollutant A,B caused by the axial position of the damage can be indicated. | 11-20-2008 |
| 20080276740 | Drive unit and method for installing a drive unit - The invention relates to a drive unit comprising an internal combustion engine and a gearbox for motor vehicles, wherein for transmitting a torque to the transmission a crankshaft of the internal combustion engine is connected to a transmission-side element via a carrier plate. According to the invention, the carrier plate is designed in at least two parts with separate plate sections. | 11-13-2008 |
| 20080271965 | SPRING ELEMENTS FOR COMPOSITE BRAKE DISKS - The invention relates to spring elements having steps for composite brake disks which can also be made as lock washers, and the composite brake disks containing them with improved ease of braking. | 11-06-2008 |
| 20080257648 | Device and Method for Supplying Lubricating Oil - The invention relates to a device for feeding lubricating oil to an internal combustion engine. This device comprises a lubricating oil pump and an oil pressure regulating apparatus. The lubricating oil pump is designed as a reciprocating piston valve pump and the oil pressure regulating apparatus is designed as a multistage oil pressure regulating apparatus. | 10-23-2008 |
| 20080213155 | Method for siliconizing carbon-containing Materials - A method for treating workpieces that consist of porous carbon material with liquid silicon with the formation of silicon carbide, comprising the steps: Preheating porous carbon workpieces under inert gas to the selected operating temperature T | 09-04-2008 |
| 20080210776 | Method for draining a fuel storage of a fuel-injected system and corresponding device - The invention relates to a method for draining a fuel storage of an injection system of an internal combustion engine for an automobile, particularly a motor vehicle, having at least one injection valve. It is provided that the draining is carried out by means of suctioning off the fuel, wherein the injection valve is placed into the open position, or is placed into the open position at least once for venting the injection system during the suctioning off process. The invention further relates to a corresponding device. | 09-04-2008 |
