ThyssenKrupp Presta AG Patent applications |
Patent application number | Title | Published |
20160137219 | DOUBLE PINION STEERING GEAR WITH AN ELECTRIC MOTOR - A steering gear mechanism for motor vehicles may include a steering system housing in which a toothed rack is mounted and displaceable along a longitudinal axis. The toothed rack may be connected to steerable wheels of a motor vehicle and configured to pivot the steerable wheels. The toothed rack can include a first toothed segment that meshes with a first pinion of a pinion shaft, with the pinion shaft being connectable to a steering wheel via an input shaft. The toothed rack may further include a second toothed segment that is situated opposite the first toothed segment with respect to the longitudinal axis and engages with a second pinion. Further, an electric motor can drive the first pinion in a first direction, which by way of direct or indirect coupling causes the second pinion to rotate in a second direction opposite the first direction. The electric motor may drive a gear mechanism shaft that surrounds the pinion shaft and is connected to the pinion shaft by way of a gear mechanism. | 05-19-2016 |
20160137218 | STEERING COLUMNS FOR A MOTOR VEHICLE AND METHODS FOR MANUFACTURING SAME - A steering-column assembly for a motor vehicle may include a steering spindle rotatably mounted in a steering-column tube, which steering-column tube is mounted in a console that connects the steering-column directly or indirectly to a body of the motor vehicle. At least one of the components of the steering-column, such as the console, for example, may include a fiber composite component that can be formed by winding fibers along tracks of a winding spool of a winding core, introducing a curable resin into the fibers or a mold to be used with the wound fibers, curing the wound fibers, and removing the winding spool and the winding core so as to release the fiber composite component. The fiber composite component may then be fitted into the steering column assembly.” | 05-19-2016 |
20160121921 | DAMPING ECCENTRIC MOTION LINK IN CEPS USAGE - The invention relates to an electromechanical servo steering system having an electric servomotor which drives a worm shaft which meshes with a worm wheel arranged on a steering shaft, wherein the worm wheel is operatively connected to an input shaft of a steering gear mechanism, and wherein the worm shaft and the steering shaft are rotatably mounted in a common gear mechanism housing, wherein the worm shaft has a free end which is remote from the motor and an end which is close to the motor, wherein the end which is remote from the motor is mounted in a rolling bearing and the end which is close to the motor has a rolling bearing which is received in an eccentric lever. | 05-05-2016 |
20160121920 | ENERGY ABSORPTION DEVICE FOR A STEERING COLUMN - An energy absorption device for a steering column for a motor vehicle may include a bending bracket for energy absorption in a crash event. The bending bracket may comprise a first fastening element and a second fastening element, with the first fastening element being displaceable relative to the second fastening element if, in a crash event, the bending bracket is deformed along a guide track delimited by a start and an end. The energy absorption device may further include one or more collision elements arranged on the guide track. An example collision element may interact with the first fastening element or an element on a retaining part that is secured to the first fastening element such that the collision element, the first fastening element, and/or the element on the retaining part are deformed and absorb additional energy. | 05-05-2016 |
20160101807 | RECEPTACLE FOR A CONTROL CIRCUIT THAT CONTROLS AN ELECTRIC MOTOR FOR POWER ASSISTANCE IN A VEHICLE STEERING SYSTEM - Disclosed is a receptacle for a control circuit that controls an electric motor for power assistance in a vehicle steering system. The receptacle includes a housing for holding the control circuit, wherein the housing has an opening to allow insertion of the control circuit into the housing, and a baseplate for dust-tight closure of the opening of the housing in an end position, wherein the baseplate and the housing can be connected to one another in a dust-tight fashion in a delivery position which is different from the end position. | 04-14-2016 |
20160083006 | POWER STEERING SYSTEM INCORPORATING DOUBLE WAVE SPRING WITH INSULATING INTERMEDIATE LAYER - The invention relates to a power steering system, in particular for a motor vehicle, comprising a servomotor which drives an axially movable component via a nut mounted in a bearing in a rotatable manner in a frame. The nut is engaged with a threaded spindle formed on the component and is supported axially by the bearing in an elastic manner relative to the frame by means of elastic elements and radially on the frame along a narrow circumferential contact surface. Each wave spring assembly has at least two elements, at least one element of which is a wave spring, and an elastic intermediate layer is arranged between each of the at least two elements. | 03-24-2016 |
20160082924 | STEERING WHEEL LOCK - “Example steering-wheel locks may include a key receptacle for receiving a key in an insertion direction and at least one electrical switch to be actuated upon insertion of the key into the key receptacle in the insertion direction. The at least one electrical switch may include a switching element that is displaceable in at least one switching direction. Moreover, the steering-wheel lock may further include at least one blocking device for selectively blocking a steering spindle, the at least one blocking device being selectively actuatable by the key. The insertion direction and the at least one switching direction are positioned at an angle relative to one another, which in many cases is oblique.” | 03-24-2016 |
20160052536 | STEERING SHAFT BEARING UNIT AND METHOD FOR PRODUCING THE SAME - The invention relates to a method for producing a steering shaft bearing unit for supporting a steering shaft of a motor vehicle fed through the steering shaft bearing unit such that the steering shaft can be rotated about a longitudinal axis, wherein the steering shaft bearing unit has a first jacket part and at least one second jacket part and the second jacket part, guided in at least one slide bearing of the first jacket part, is supported in the first jacket part such that the second jacket part can be moved along the longitudinal axis, wherein the slide bearing has at least two slide bearing parts and during the assembly of the steering shaft bearing unit the second jacket part is inserted between the slide bearing parts in a first step, then the slide bearing parts are pressed against the second jacket part in a relative motion toward each other in a second step, and thereafter the slide bearing parts are fixed in the position in the first jacket part achieved by means of the relative motion in a third step. | 02-25-2016 |
20160031473 | ANGULARLY MOVABLE BEARING ARRANGEMENT FOR PINIONS IN REDUCTION GEARS OF ELECTROMECHANICAL STEERING SYSTEMS - The present disclosure relates to a bearing arrangement for a motor vehicle steering system, in which a sleeve is arranged between an outer bearing ring and a housing, wherein the sleeve includes an inner contact surface in contact with an outer circumferential surface of the outer bearing ring, and an outer contact surface in contact with a seat surface of the housing, wherein either of the inner contact surface or the outer contact surface of the sleeve are convex shaped. | 02-04-2016 |
20150375767 | STEERING COLUMN FOR A MOTOR VEHICLE - The invention relates to a steering column for a motor vehicle, wherein the steering column comprises a steering spindle bearing unit and a steering spindle mounted in the steering spindle bearing unit so as to be rotatable about a steering spindle longitudinal axis, and a support unit, which is provided in the motor vehicle for fixing the steering column and against which the steering spindle bearing unit is retained. The steering spindle bearing unit has a thread and can be adjusted by means of a motor along the steering spindle longitudinal axis relative to the support unit, wherein the steering spindle bearing unit, for adjustment thereof along the steering spindle longitudinal axis relative to the support unit, is connected by means of at least one drive belt or at least one drive chain to the motor. | 12-31-2015 |
20150367876 | STEERING COLUMN PRODUCED FROM FIBRE-COMPOSITE AND ON THE BASIS OF PULTRUSION, BRAIDING AND/OR WINDING TECHNOLOGY - The invention relates to a steering column for a motor vehicle comprising a steering shaft which is mounted in a steering shaft mounting unit and is rotatable about a longitudinal axis, and comprising a support unit for connecting the steering shaft mounting unit to the body of the motor vehicle. At least one component of the steering column is composed at least partially of a fibre-reinforced composite material and the component lies in the flux of force between the steering column and the body. The component is provided with at least one pultrusion layer which has multiple fibres produced by pultrusion as reinforcing fibres, said fibres being oriented parallel to one another in the direction of the longitudinal axis. | 12-24-2015 |
20150329138 | BALL SCREW DRIVE AND POWER STEERING SYSTEM HAVING A BALL SCREW DRIVE - The present disclosure invention relates to a ball screw drive ( | 11-19-2015 |
20150217800 | BALL SCREW HAVING BEARING COMPENSATION - The invention relates to a ball screw ( | 08-06-2015 |
20150176670 | WAVE SPRING HAVING A LINEAR CHARACTERISTIC IN SOME REGIONS - The invention relates to an axially active wave spring having a closed annular body with a central x-axis, the annular body being undulated periodically over the circumference in the direction of the x-axis, in which the wave spring has a spring height in the direction of the x-axis, which spring height is different on the inner circumference of the wave spring than on the outer circumference of the wave spring. | 06-25-2015 |
20150068352 | LIGHTWEIGHT STEERING COLUMN OF FIBRE COMPOSITE MATERIAL - The invention relates to a steering column for a motor vehicle comprising a steering spindle, which is mounted rotatably about its axis in a steering spindle bearing unit, a holding part, which is designed to connect the steering spindle bearing unit directly or indirectly to the body of the motor vehicle, wherein at least one of the components of the steering column is at least partially formed from a material that contains reinforcing fibres, wherein the reinforcing fibres are arranged along paths on a wall surface and, by means of multiple holding fibres, which run at an angle that is greater than 0° in relation to the paths of the reinforcing fibres and enclose the reinforcing fibres, are fixed on the wall surface. | 03-12-2015 |
20150049974 | BEARING ARRANGEMENT WITH TWO AXIALLY ACTING SPRING SYSTEMS - The invention relates to a bearing arrangement in which two spring systems are decoupled from one another. The invention further relates to a method for assembling a bearing arrangement, in which the dimensions of a compensation means can be subsequently adapted. | 02-19-2015 |
20150047456 | STEERING COLUMN WITH COMPOSITE FIBRE ELEMENTS PRODUCED IN A BRAIDING METHOD - The invention relates to a steering column for a motor vehicle, comprising a steering spindle mounted rotatably in a steering spindle bearing unit, and comprising a guide bracket for connecting the steering spindle bearing unit to a body of the motor vehicle, wherein at least one component of the steering column is formed at least in part from a fibre-reinforced composite material, wherein a component has a thin-walled braided core which corresponds to the shape of the subsequent component, is formed from a thermoplastic material, and is braided with a fibre material, wherein the braided core is produced in an injection moulding method and contains functional elements moulded therein. | 02-19-2015 |
20140274424 | CONNECTING DEVICE AND METHOD FOR PRODUCING IT - The invention relates to a connecting device comprising a joint yoke and a shaft, wherein, in a recess, the joint yoke has a toothing running transversely to a longitudinal axis and the shaft has an elongate toothing. The invention also relates to a method for producing a connecting device of this kind. | 09-18-2014 |
20140216184 | TOOTHED-RACK STEERING GEAR - The invention relates to a rack and pinion steering gear for a motor vehicle, having a steering pinion ( | 08-07-2014 |
20140174222 | BALL SCREW WITH CENTRAL PROTRUSION - The invention relates to a power-steering system with a bail screw drive, having a threaded spindle ( | 06-26-2014 |
20140100741 | YAW RATE SIGNAL OFFSET CALCULATION - A method of calculating the offset of a yaw rate signal may be based at least in part on signals representing pinion angle, wheel speed, and yaw rate. These signals may be determined, and threshold comparisons may be performed, and determination of the yaw rate signal may be based at least in part on the results of the threshold comparisons. | 04-10-2014 |
20140034411 | Electrically Supported Power Steering Having an Immobilizer - The invention relates to a steering system with an uninterruptible mechanical positive coupling between a steering wheel and a pinion in the form of a steering shaft and with an electrical auxiliary power assistance, in which an electric motor introduces its assistance power into the steering system via a reduction gear mechanism. A switchable magnetic brake is provided, which in a closed switching state blocks the motor shaft of the electric motor frictionally in relation to a motor housing fixed to the vehicle body, and which in an open switching state releases the motor shaft so that this can rotate in a fixed transmission ratio with the steering shaft. | 02-06-2014 |
20140020502 | STEERING COLUMN COMPRISING A PLASTIC SLIDING SLEEVE - Various aspects of the disclosure relate to a steering column for a motor vehicle, comprising a bracket which carries an upper jacket unit and a lower jacket unit, wherein the jacket units surround a steering shaft rotatably mounted therein, and wherein the jacket units comprise an inner jacket tube and an outer jacket tube which surrounds the inner jacket tube at least in some sections, said jacket tubes being mounted such that they can be displaced one inside the other in their axial direction by means of a plastic sleeve made of thermoplastic which is located therebetween. Freedom from play is achieved in that the plastic sleeve is inserted into the outer jacket tube with a press fit, and in that the outer jacket tube has at least one opening, in the region of which the plastic sleeve is pressed against the inner jacket tube by deformation. | 01-23-2014 |
20130338879 | STEERING SYSTEM WITH OVERLOAD PROTECTION - A method for operating an electromechanical steering system for a motor vehicle with variable chassis height,
| 12-19-2013 |
20130269167 | METHOD FOR THE CHIP-FREE CONNECTION OF THE PINION OR INPUT SHAFT TO THE TORSION BAR OF A SERVO STEERING SYSTEM - An assembly for a motor vehicle servo steering system, having an input shaft and a pinion shaft with a torsion bar rotary slide valve, may be produced by creating a bore in the input shaft and/or pinion shaft that is undersized with respect to the size of the torsion bar to be inserted. The input shaft and/or pinion shaft may be heated and/or the torsion bar may be cooled to permit insertion of the torsion bar. | 10-17-2013 |
20130248280 | POWER STEERING SYSTEM WITH SPINDLE DRIVE - The invention relates to Power assisted steering system, in particular for a motor vehicle, having a servo drive which drives a structural element which can be axially displaced by means of a nut which is rotatably mounted in a bearing in a frame, wherein the nut engages with a threaded spindle which is formed on the structural element and which is elastically supported in an axial direction by means of spring elements relative to the frame and supported in a radial direction along a narrow peripheral contact surface on the frame, wherein the bearing is in abutment with the frame on the outer circumferential surface of the outer ring on the contact surface by means of a web, and in that a plastics material element is provided in the region of the web, which plastics material element prevents direct metallic contact between the bearing and the frame. | 09-26-2013 |
20130247697 | RACK-AND-PINION STEERING SYSTEM HAVING A SIMPLE SEALING - The invention relates to a rack and pinion steering system for a motor vehicle, comprising a steering box ( | 09-26-2013 |
20130237355 | LOW-NOISE BELT DRIVE - The invention relates to electromechanical power-assisted steering for motor vehicles, having a steering gear in which a belt drive is provided for power transmission between a servomotor and a gear transmission and which comprises a toothed belt and two belt pulleys coupled by means of the toothed belt, wherein the toothed belt, transversely to its running direction, has a concave internal contour, viewed from the belt pulley, and in that corresponding belt pulleys are provided transversely to the direction of rotation with a corresponding convex external contour. | 09-12-2013 |
20130237353 | MANUAL TORQUE ADJUSTER - The invention relates to a manual torque adjuster for a motor vehicle steering system, having an electric motor ( | 09-12-2013 |
20130213161 | ROLLER-MOUNTED RACK AND PINION DRIVE - Rack and pinion drive for a motor vehicle, with a steering housing ( | 08-22-2013 |
20130113405 | METHOD AND DEVICE FOR SAFETY CUTOFF OF AN ELECTROMECHANICAL STEERING SYSTEM - The invention relates to a method of safety cutoff of an electromechanical motor vehicle power steering, in which safety switches ( | 05-09-2013 |
20130113173 | DOUBLE PINION STEERING GEAR - The invention relates to a motor vehicle steering system, comprising a steering housing ( | 05-09-2013 |
20130068553 | ELECTRICAL POWER-ASSISTED STEERING - The invention relates to a steering system for a motor vehicle with electrical power assistance comprising: a steering-spindle bearing unit, in which the steering shaft is mounted rotatably and is guided in a slide, which can be connected to the vehicle body, wherein the steering-spindle bearing unit is adjustable at least in its inclination, an electric motor, which is coupled rotatably via reduction gearing to a steering spindle, wherein the reduction gearing is enclosed and mounted in a housing, wherein the housing has means for forming a swivelling axis, about which the steering-spindle bearing unit is adjustable in its inclination, wherein the steering system further comprises a retaining clamp for fastening the steering system to the motor vehicle, wherein the retaining clamp has a guideway that interacts with a counterstay arranged on the slide, wherein the slide is movable along the guideway after it overcomes a presettable releasing force, and in the case of displacement of the slide along the guideway, the swivelling axis is moved upwards relative to the retaining clamp. | 03-21-2013 |
20130055845 | ROTATIONALLY SUPPORTED STEERING SPINDLE - The invention relates to a steering actuator for a motor vehicle having a steering spindle displaceably mounted in a longitudinal direction in a steering housing, the steering spindle carrying a piston in a non-rotatable and non-displaceable manner, which is arranged so as to be displaceable with the steering spindle in a section of the steering housing designed as a cylinder and which delimits at least one hydraulic working chamber, the piston and the cylinder being of non-round design in a plane orientated perpendicular to the longitudinal direction. | 03-07-2013 |
20130054094 | REGULATION METHOD FOR A CONTROLLABLE ENERGY ABSORBER - The invention relates to a method for regulating the current flow of a coil that controls the viscosity of a magnetorheological fluid of a controllable energy absorber in a steering system for a motor vehicle, wherein during an accident the energy absorber acts as a hydraulic damper between two parts movable with respect to one another, whose damping force is determined by the current flow through the magnetic coil, wherein the following steps are provided:
| 02-28-2013 |
20120305328 | STEERING SYSTEM HAVING A HYDRAULIC STEERING COLUMN - The invention relates to a steering system for a motor vehicle, comprising a steering wheel, a steering gear shaft and a hydraulic master unit, the steering gear shaft being in mechanical active connection with the master unit via a toothing, and also comprising hydraulic lines and a hydraulic slave unit in a steering gear which, for swivelling steerable wheels is mechanically coupled therewith, an electronic control for controlling an electric servomotor being provided which is actively connected to the steering gear, the active connection between the steering shaft and the hydraulic master unit being a toothing with a variable transmission. | 12-06-2012 |
20120235397 | Front Axle Support Having an Integrated Steering Gear Housing - Disclosed is a front axle support for a motor vehicle having support members, which comprise holders for mounting wheel guidance members, and a transverse structure, which forms a housing of a steering gear, wherein the support members are connected to the transverse structure by weld joints. In a first teaching, the front axle support according to the invention is characterised in that the support members are in the form of longitudinal supports, a portion of each longitudinal support being formed from sheet metal shells welded together, and in that the transverse structure is in the form of a transverse support and is formed from a steering gear housing made of steel. | 09-20-2012 |
20120217086 | ANTI-CORROSION ELECTROMECHANICAL POWER STEERING - The invention relates to an electrically driven or supported steering system having a steering housing ( | 08-30-2012 |
20120205183 | STEER-BY-WIRE STEERING SYSTEM HAVING AN ELECTROMECHANICAL STEERING LOCK - The invention relates to a steering device for a road vehicle according to the steer-by-wire principle with a steering wheel that can be operated by a driver and with a steering gearbox that is not permanently mechanically coupled in a forcible manner, which is equipped with an electric motor drive for swivelling steered wheels, wherein the electric motor drive comprises an electric motor, a pinion ( | 08-16-2012 |
20120191302 | Control Method for Electric Power Steering - The invention relates to a control method for a steering system with electric power assistance, comprising a steering wheel, an electric power assist motor, an electric control unit, which includes a memory for storing digital data, a motor driver unit which based on a target engine torque that is delivered to the motor driver unit, determines and sends out electrical signals for controlling the electric power assist motor, at least one sensor device for determining a control variable introduced into the steering wheel, for example a manual torque, wherein in the control unit with the help of the control variable a preset value is determined for a engine torque of the power assist motor, characterised in that in the memory an upper threshold value for the target engine torque is stored and for a case A, in which the preset value exceeds the upper threshold value, the control unit sends out the upper threshold value as the target engine torque to the motor driver unit and in a case B, in which the preset value does not exceed the upper threshold value, the control unit sends out the preset value as the target engine torque to the motor driver unit. | 07-26-2012 |
20120191301 | SAFETY DEVICE FOR AN ELECTRIC POWER STEERING SYSTEM - The invention relates to a control method for a steering system having electric power assistance, comprising a control means, for example a steering wheel, which can be controlled by a driver, an electric power assist motor, an electric control unit, which contains a memory for storing digital data, a driver unit (motor controller), which determines electrical signals for controlling the power-assistance motor in accordance with a target engine torque that was transmitted to the driver unit and outputs said electrical signals to the power-assistance motor, at least one sensor device for determining a control variable, for example a manual torque, introduced into the control means, wherein a preset value for a engine torque of the power-assistance motor is determined in the control unit with the aid of the control variable, wherein in addition, an upper threshold value for the target engine torque is stored in a limiting element, and for a case A in which the preset value exceeds the upper threshold value, the limiting element outputs the upper threshold value as a target engine torque to the motor driver unit, and for a case B in which the preset value does not exceed the upper threshold value, the limiting element outputs the preset value as a target engine torque to the driver unit. | 07-26-2012 |
20120152645 | WATER DRAIN VALVE COMPRISING AN UMBRELLA DIAPHRAGM - A water drain valve for an electromechanical motor vehicle power steering may include a base and a diaphragm which is configured as a movable valve element and is arranged such that it can move relative to the base between a closed position and an open position. In the closed position, the diaphragm rests against the base along an annular ring. The base may have a passage which extends from a free opening to a floor, with the diaphragm being attached centrally to the floor, the floor having at least one opening which forms a connection from the passage to the diaphragm, and the floor having at least one groove which is open towards the diaphragm and extends from the at least one opening as far as the annular ring. | 06-21-2012 |
20120041645 | STEERING CONTROL APPARATUS FOR VEHICLE AND STEERING CONTROL METHOD - A method for controlling a steering device with steering power support means for a motor vehicle with at least one steerable road wheel, where the steering device may include a steering shaft with a first end to adopt a steering wheel, a control device controlling said power support means, sensing means detecting steering shaft torque introduced in said steering shaft, and means to determine a hands-off situation in which the driver does not introduce a torque into said steering shaft, wherein the steering power support means support the driver on the basis of a driver demand introduced into the steering shaft, may comprise determining a steering wheel torque on basis of the steering shaft torque; determining a time derivative of the detected steering wheel torque; if the absolute value of the steering wheel torque is lower than a threshold torque limit and if the absolute value of the derivative of steering wheel torque is lower than a threshold derivative torque limit, a counter is increased by one count; if the absolute value of the steering wheel torque is higher or equal than a threshold torque limit, or/and if the absolute value of the derivative of steering wheel torque is higher or equal than a threshold derivative torque limit-, said counter is decreased by one count; and if said counter has a value equal to or higher than a threshold count limit the hands-off state is determined. | 02-16-2012 |
20120024616 | ELECTROMECHANICAL POWER STEERING SYSTEM WITH A BALL SCREW DRIVE - The invention relates to an electromechanical power steering system with a ball screw drive ( | 02-02-2012 |
20110247891 | STEERING SYSTEM HAVING NOISE-REDUCING COMPONENTS MADE OF COMPOSITE MATERIAL - The invention relates to a steering system with a steering wheel, an upper steering shaft, a lower steering shaft and a steering gear, having a servo drive or superposition drive, and wherein at least one housing part is manufactured from sheet metal implemented as a composite material, wherein the composite material has a first metal layer and a second metal layer, between which an insulating layer is arranged made of a viscoelastic material or an elastomer. | 10-13-2011 |
20110224876 | FRICTION FORCE COMPENSATION IN AN ELECTRIC STEERING SYSTEM - A method of operating an electric power steering system, wherein the steering system comprises a steering wheel coupled to a steering column, a pinion engaging a toothed rack to operate steerable wheels of a vehicle, at least one sensor for measuring a torque applied to the steering column or a force applied to the rack, and an servo motor supplying steering assist to support a steering effort of a driver, the torque sensor and the servo motor being connected to a control unit, the method comprising the following steps: | 09-15-2011 |
20110219907 | SLIDING SLEEVE - The invention relates to a telescopable steering spindle having an inner spindle and an outer spindle, which are arranged coaxially in relation to one another and have an out-of-round cross section for torque transmission, wherein an intermediate space is provided between the outer spindle and the inner spindle, a sliding sleeve being arranged in the said intermediate space, wherein the sliding sleeve is provided with a surface structuring on at least one surface facing the inner spindle or the outer spindle. | 09-15-2011 |
20110184608 | CONTROLLING METHOD FOR A STEERING SYSTEM - The invention refers to a steering device and a method for controlling a steering device with steering power support means ( | 07-28-2011 |
20100307280 | STEERING COLUMN COMPRISING A PLASTIC SLIDING SLEEVE - The invention relates to a steering column for a motor vehicle, comprising a bracket ( | 12-09-2010 |
20100242639 | Cost-effective steering mechanism - The invention relates to a rack-and-pinion steering gear with a steering housing, which is tubular and has a housing axis, wherein in the steering housing a rack is mounted in bearings displaceably towards a longitudinal axis, and with a steering pinion, which is mounted in a pinion housing rotatably about an axis and has a pinion gearing, which engages with a gearing of the rack, in which at least one bearing is formed as an eccentric sliding bearing, which can rotate relative to the steering housing, so that the rack can be pressed towards the steering pinion. | 09-30-2010 |
20100235055 | Monitoring Device for the Function of an Electronic Control Device, and Method for this Purpose - A control system for fault detection has a control device for a measurement value signal, and a processor having a program that calculates at least one actuating value signal operatively connected to an actuator. At two process points in the control program, at least one control point (K) is defined at which the control device outputs a program output value, which forms a monitoring signal, and outputs the latter to a monitoring device. The monitoring signal contains at least two signal elements of three possible signal elements, wherein a first signal element represents the control point through which the control program should have run through directly before the present control point, and a second signal element which represents the present control point, and a third signal element which represents the next control point provided in the program process. The monitoring device checks the monitoring signals for the correct state, and a state signal can be output as a fault signal. | 09-16-2010 |
20100132816 | CHECK VALVE FOR A HYDRAULIC POWER-ASSISTED STEERING SYSTEM - The invention relates to a check valve for a hydraulic power-assisted steering system, with a valve housing, into which a movable valve member is inserted, wherein the valve member interacts with sealing effect with a valve seat, and has lateral guide elements for guiding the valve member in the valve housing, wherein the movable valve member is a shaped metal part with uniform wall thickness and at least three guide elements having a constant width in the circumferential direction. | 06-03-2010 |
20100045011 | ENERGY ABSORBING DEVICE - An energy-absorbing apparatus for occupant protection in vehicles, has a receptacle with a magneto-rheological fluid which in the event of an impact is pressed through a flow zone determining the flow velocity. A device generating a variable magnetic field has pole faces in the flow zone, the magnetic field acting on the magneto-rheological fluid between the pole faces in order to regulate the flow velocity. The flow zone is divided into at least two flow routes by at least one partition forming two additional planar pole faces. | 02-25-2010 |
20100045010 | ENERGY ABSORBING DEVICE - An energy-absorbing apparatus for occupant protection in vehicles has a receptacle in which a magnetorheological fluid is present, which in the event of an impact is pressed through a flow zone. The apparatus further has a device generating a variable magnetic field and which has a core which is wound with a coil. The magnetic field acts on the magnetorheological fluid in order to regulate the flow properties. The coil together with the core is arranged in the flow zone. The axis of the coil lies perpendicularly to the direction of flow of the magnetorheological fluid, and the flow zone has a sheathing formed of a magnetically conductive material. | 02-25-2010 |
20100018340 | Steering Column with Crash Device - The invention relates to a steering column for a motor vehicle, having a device for absorbing energy in the case of a crash. Such a steering column should be disclosed which is built in a structurally simple manner, produced with few individual components, and requiring no more space in the radial direction than does a steering column which does not have an energy absorption device. Therefore, an adjustable steering column for a motor vehicle is suggested, comprising a) a steering shaft which is rotatably mounted about the longitudinal axis thereof in an operating element, said operating element having at least one first resistance element; b) a holding element having at least one wall surface, wherein the operating element in the assembled state of the steering column is arranged to be axially guided and displaceable, at least in the case of a crash, inside the holding element, and the first resistance element of the operating element is associated with the wall surface; c) wherein the at least one wall surface of the holding element comprises a crash element which projects in the direction of the operating element, and said crash element can itself be deformed by the operating element and the relative displacement during a crash between the operating element and the holding element, while dissipating energy, and/or the wall surface of the holding element deforms while dissipating energy. | 01-28-2010 |
20100012419 | ELECTRICAL POWER STEERING WITH AIR DISCHARGE SYSTEM - The invention relates to an electrical power steering system for a motor vehicle with a steering housing, in which a gear system is arranged, wherein a bar mounted such as to be displaceable longitudinally in the housing is a gear element for actuating steerable wheels, and wherein the steering housing is closed off by at least one folding bellows element, which is secured on one side to the steering housing and on the other side to the bar. Rapid pressure compensation in the event of temperature change is guaranteed, because a hose is connected at one end such as to communicate with the interior volumes of the steering housing, and when in operation is secured at a second free end above the steering housing. | 01-21-2010 |
20090194048 | Adjusting Device for Variable Valve Control - Disclosed is an adjusting mechanism for rotating the adjusting shaft of a variable valve control device for combustion engines, in which the crank of a crank-rocker mechanism or slider-crank mechanism is mounted on the camshaft and in which the rocker of the crank-rocker mechanism or the slider of the slider-crank mechanism can entrain the adjusting shaft in the desired direction of rotation by means of switchable freewheels. | 08-06-2009 |
20080290641 | Adjustable Steering Column for a Motor Vehicle - The invention relates to an adjustable steering column ( | 11-27-2008 |