A steering system for a trailing axle of a motor vehicle includes an electric motor, a hydraulic pump, a first valve, and a working cylinder. The electric motor is configured to drive the hydraulic pump. The working cylinder has a central bore and a piston positioned in the working cylinder. The first valve is fluidically connected to the pump such that the first valve is configured to block flow between the central bore and the pump in response to pressure generated by the pump, and to release the flow in response to a non-pressurized state of the pump in order to divert hydraulic fluid from the working cylinder through the central bore via an adhesion-driven movement of the piston into a central position in the central bore. A method includes operating a steering system for a trailing axle of a motor vehicle of this type.
B62D 5/06 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
B62D 7/14 - Steering linkageStub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
A steering gear includes a gear wheel, a screw pinion meshing therewith, and a screw pinion shaft that includes the screw pinion. The screw pinion shaft is mounted on one side of the screw pinion in a fixed bearing. The steering gear includes a rotary bearing which comprises an inner bearing shell and an outer bearing shell. The outer bearing shell is connected to an inner ring of a swivel ring. The inner ring is connected to an outer ring of the swivel ring by a torsion web so as to pivot about a pivot axis. The torsion web runs at a distance from a supporting surface. The distance is dimensioned such that the torsion web does not contact the supporting surface when the screw pinion shaft is not loaded with a torque, and partially contacts the same when the screw pinion shaft is loaded with an operating torque.
F16H 1/16 - Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
F16H 57/021 - Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
F16H 57/039 - Gearboxes for accommodating worm gears
F16H 57/12 - Arrangements for adjusting or for taking-up backlash not provided for elsewhere
3.
Method for masking and/or reducing disturbing noises or the conspicuousness thereof during operation of a motor vehicle
A method for masking and/or reducing disturbing noises or the conspicuousness thereof when a motor vehicle is being operated includes forming a compensation signal and/or a heterodyne signal based on disturbing noises that are detected in acceleration measurement signals that are received or based on operating states of the motor vehicle or at least of a component of the motor vehicle and using the compensation signal and/or heterodyne signal to modulate an existing control signal of an actuator of the motor vehicle such that the disturbing noises or conspicuousness thereof are reduced and/or at least in part masked. The method further includes influencing the heterodyne signal with a broadband signal or a tonal signal having the predetermined frequencies or arrangements such that the disturbing noises is masked or the conspicuousness of the disturbing noises are reduced.
G10K 11/16 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
H03B 29/00 - Generation of noise currents and voltages
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effectsMasking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
An electromechanical actuator for rack-and-pinion steering includes a stator, rotor, and electronic system. The electronic system includes at least one first electronic sub-system and a second electronic subsystem, each operatively connected to the stator and the rotor. The at least one first electronic sub-system is arranged at least on a first circuit carrier plane and a second circuit carrier plane, and includes a first power output stage, a first control unit, and a first rotor position sensor arrangement. The second electronic sub-system is arranged at least on the first circuit carrier plane and a third circuit carrier plane, and includes a second power output stage, a second control unit, and a second rotor position sensor arrangement. The first, second and third circuit carrier planes are arranged perpendicular to an axis of rotation of the rotor, and are spaced apart from each other along the axis of rotation.
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 11/30 - Structural association with control circuits or drive circuits
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
H02K 11/21 - Devices for sensing speed or position, or actuated thereby
H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
H05K 1/14 - Structural association of two or more printed circuits
5.
Method for monitoring the status of an electronic power steering device of at least one component of the electronic power steering device of a motor vehicle
A method for monitoring the condition of an electronic power steering apparatus or of at least one part of the electronic power steering apparatus of a motor vehicle includes continually capturing acceleration measured values in a region of the electronic power steering apparatus during a driving mode of the motor vehicle and continually providing the captured acceleration measured values to a damage computation section in the form of a damage meter that continuously sums the acceleration measured values and continually forms therefrom at least one variable characterizing a degree of damage to the electronic power steering apparatus or to the at least one part of the electronic power steering apparatus. The method further includes continually comparing the variable with at least one prescribed limit value.
A device for operating a steering system having at least one electrically operable actuator includes at least one carrier substrate on which a first electronics system and a second electronics system, which is at least partially redundant thereto, is arranged for operating the actuator. The at least one carrier substrate is sealed in a fluid-tight manner, at least in regions, by a protective coating. The first electronics system is sealed at least substantially by the protective coating, and the second electronics system is at least partially free of the protective coating.
A steering gear for a vehicle includes a steering pinion and a master rack. A toothing of the master rack includes a constant helix angle and a toothing of the steering pinion includes a changing helix angle.
B62D 3/12 - Steering gears mechanical of rack-and-pinion type
F16H 19/04 - Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary motion and reciprocating motion comprising a rack
A method for controlling articulation angle during reversing of a vehicle combination, comprising a tractor motor vehicle having at least one trailer, uses a first articulation angle controller, which determines an intended steering lock from at least one steerable wheel of the tractor vehicle and controls the same via a steering actuator of the tractor motor vehicle, in order to achieve a predefined intended articulation angle of the vehicle combination. The rate of change of the articulation angle is limited in such a way that the maximum available setting speed of the steering actuator is sufficient, such that the movement of the at least one trailer follows the intended articulation angle, in particular over a predefined range of speed of travel of the vehicle combination.
A method for operating a steering system of a motor vehicle with a power steering system including a number of actuator paths for applying a total assist torque to a steering gearbox includes determining the total assist torque in each of the actuator paths. The method further includes determining partial assist torques for all actuator paths in each of the actuator paths. The method further includes receiving the associated partial assist torque by each of the actuator paths from the actuator path that is activated as a master.
A method for compensating for a delay in a feedback branch of a servo drive, wherein the servo drive is provided for power-steering a vehicle, includes determining the delay. The method further includes arithmetically compensating for the delay by measuring the spatial expansions of a corresponding metal conductor of the servo drive and the feedback branch. The delay takes place due to formation of eddy currents.
A steering system for a motor vehicle includes a steering column and a device for adjusting the steering column. The device includes a bearing block, a first guide mechanism, and a second guide mechanism. A housing of the steering column is adjustably mounted in the bearing block. The first guide mechanism is configured to adjust a height of the steering column in the bearing block. The second guide mechanism is configured to adjust an inclination of the housing, and includes at least one first guide plate and at least one second guide plate that are each movably connected to the housing of the steering column and to the bearing block so as to be axially movable with an adjustment of the inclination of the housing.
B62D 1/183 - Steering columns yieldable or adjustable, e.g. tiltable adjustable between in-use and out-of-use positions, e.g. to improve access
B62D 1/184 - Mechanisms for locking columns at selected positions
B62D 1/187 - Steering columns yieldable or adjustable, e.g. tiltable with tilt adjustmentSteering columns yieldable or adjustable, e.g. tiltable with tilt and axial adjustment
The description relates to a method for controlling a servo drive of a steering system of a vehicle, comprising the step of: failure of the feedback comprising the step of: monitoring the control of the servo drive.
The disclosure relates to a method and to devices for operating a power steering system. wherein a motor torque applied by an electric motor is superposed on a specified manual torque, wherein a beginning freezing of the power steering system is detected by means of suitable measures, and wherein the electric motor is controlled with an oscillating control signal to avoid the freezing of the power steering system, whereby an oscillating application of a shaking torque to the power steering system, applied by the electric motor, is effected. A control signal that has first time spans in which the control signal has an increased amplitude and second time spans in which the control signal has no amplitude or a reduced amplitude is generated, whereby the shaking torque is produced with an increased maximum torque in the first time spans, without thermal overloading of the electric motor.
An intermediate steering shaft for a motor vehicle includes an elastic element arranged and formed (i) at least partially in a first recess and second recess formed in a receiving section of a profile shaft, and (ii) at least partially in a recess formed in a first guide rail and a recess formed in a second guide rail, in order to apply a pretension to a respective guide arrangement.
F16D 3/06 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
15.
Bearing assembly for the bearing of a steering shaft
A bearing assembly for bearing a steering shaft includes a bearing housing, a bearing, and a damping disk. The housing has two housing sections. The bearing is integrated into the damping disk. The damping disk is positioned so that an inner wall of a first housing section radially supports a circumferential side of the damping disk, and such that a second housing section is axially supported by the damping disk.
B62D 7/22 - Arrangements for reducing or eliminating reaction, e.g. vibration, from parts, e.g. wheels, of the steering system
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
F16C 19/54 - Systems consisting of a plurality of bearings with rolling friction
F16C 25/08 - Ball or roller bearings self-adjusting
F16C 27/06 - Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
F16C 27/08 - Elastic or yielding bearings or bearing supports, for exclusively rotary movement primarily for axial load, e.g. for vertically-arranged shafts
F16F 13/00 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
F16F 15/12 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
The invention relates to a method for operating a power-steering system (1) of a motor vehicle, comprising a steering element (9) and an electric motor (10) for actuating at least one steerable wheel (2) of the motor vehicle with a steering torque, a supporting target motor steering torque (MM) being predefined for the electric motor (10) according to a manual steering torque (MH) applied to the steering element (9). According to the invention, the manual steering torque (MH) is monitored and the target motor steering torque (MM) is adjusted according to the manual steering torque (MH) in such a way that the manual steering torque (MH) does not exceed a predefinable threshold value (MHG) during normal operation, the target motor steering torque (MM) being limited to a predefinable maximum value (MM_max).
The disclosure relates to a method for operating a steering system of a motor vehicle having a power steering system. A support torque is introduced into a steering transmission. A driving situation is determined. The support torque is reduced depending on the driving situation.
The invention relates to a steering system (1) for a motor vehicle, comprising a steering rack (10) which has a first toothed section (12) and a second toothed section (14). The second toothed section (14) has a variable transmission ratio characteristic ivar2. The invention also relates to a method for operating a steering system (1).
An intermediate steering shaft for a motor vehicle includes an outer hollow shaft, an inner hollow shaft that is arranged at least partially in the outer hollow shaft, and a profile shaft that is arranged in the outer hollow shaft and connects the outer hollow shaft and the inner hollow shaft to one another. The intermediate steering shaft also includes a plurality of guide arrangements that guide the profile shaft in the outer hollow shaft for displacing the profile shaft and the inner hollow shaft. An elastic element is arranged between a respective guide rail and a receiving section of the profile shaft. The elastic element is configured to provide play compensation for the respective guide arrangement and to transmit a torque that acts from the outer hollow shaft on the guide arrangement to the profile shaft.
B62D 1/20 - Connecting steering column to steering gear
F16D 3/06 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
F16C 3/035 - ShaftsAxles telescopic with built-in bearings
The invention relates to a method for monitoring a control block (10) for actuating an actuator (11), in particular an actuator of a steering system (1). The aim of the invention is to monitor and automatically correct systematic software errors. This is achieved by carrying out a method having the following steps: - specifying a target variable (12) which acts on the control block,- ascertaining an actual variable (13) of the actuator, - ascertaining a control variable (14) of the control block on the basis of the target variable (12) and the actual variable (13) by means of a transmission element connected into the control block (10), - ascertaining a plausibility variable (16) on the basis of the target variable (12), the actual variable (13), and the control variable (14) by means of a monitoring element which influences the control block (10), and - switching the control block from the control block transmission element (15) to an additional control block transmission element (19), which is redundant to the transmission element and is independent thereof, by means of the monitoring element (17) if the plausibility variable (16) does not satisfy a plausibility criterion.
Method for operating a control device (1) for a vehicle, in particular a motor vehicle, having two computing units (2, 3) which are connected to at least one program memory (4), having the following steps of: - operating a first computing unit (2) with a control program stored in a first program memory section (4a) of the program memory (4), - operating a communication device (6) to receive a new control program, - writing the new control program to a second program memory section (4b) of the program memory (4), - operating a second computing unit (3) with the new control program stored in the second program memory section (4b), - writing a new control program or the new control program to the first program memory section (4a), - repeating the steps.
The invention relates to a method and a control circuit (10) for measuring a current in a multiphase electric machine (100) which has at least one first m-phase winding system (110) with m phases (u, v, w) and a second m-phase winding system (120) with m phases (u', v', w'). A high-side switch (HS) and a low-side switch (LS) are provided for each phase (u, v, w; u', v', w'), and each winding system forms a sub-machine (110; 120) of the electric machine (10). Thus, the machine has N=2m=6 phases. The current is measured using solely m=N/2 shunt resistors (R1, R2, R3), and the phases (u, u';...) of the winding connections (111, 121;...) of the sub-machines (110, 120) which are similar with respect to their phases, i.e. which are phase-offset to each other in a fixed manner (≥0), are conducted together via one of the shunt resistors (R1, R2, R3).
The invention relates to a method for determining the steering angle in a steering system having an electric servomotor, which is equipped with a rotor position sensor and a rotor position counter, wherein a sun wheel rotates together with the steering spindle, with which two planetary wheels having different numbers of teeth mesh, each of which is assigned a planetary wheel position sensor. In regular operating mode, the current steering angle is determined from the steering angle positions of the two planetary wheels, and after the failure of a planetary wheel position sensor, the steering angle is determined from the angle position of the rotor position sensor and the value of the rotor position counter.
The invention relates to a steering gear having a gear wheel (2), having a screw pinion (3) meshing therewith, and having a screw pinion shaft (4) comprising the screw pinion, wherein the screw pinion shaft (4) is mounted on one side of the screw pinion (3) in a fixed bearing (6). The steering gear comprises a rotary bearing which comprises an inner bearing shell, in which the screw pinion shaft (4) is accommodated, and an outer bearing shell, which is connected directly or indirectly to an inner ring (15) of a swivel ring (14), the inner ring (15) being connected to an outer ring (16) of the swivel ring (14) by at least one torsion web (17) such that the inner ring can pivot about a pivot axis (7) placed transversely with respect to the longitudinal direction (18) of the screw pinion shaft (14), and the outer ring (16) being mounted directly or indirectly in a housing (1) of the steering gear. Said steering gear is characterized in that the torsion web (17), on at least one side with respect to the longitudinal direction (18) of the screw pinion shaft (4), runs at a distance from a supporting surface (25), wherein said distance is dimensioned in such a way that the torsion web (17) does not contact the supporting surface (25) when the screw pinion shaft (14) is not loaded with a torque, and contacts the same at least partly when the screw pinion shaft (4) is loaded with an operating torque.
The invention relates to a method and to a device for rotor position diagnosis in an electric-motor drive, which drive has a sensor unit (S) arranged on the rotor or on a shaft connected to the rotor for determining the rotor position, which sensor unit has a plurality of magnetoresistive sensor elements (TMR), which are interconnected to each other in order to form at least two measuring bridge circuits, which serve as full bridges (VB, VB') and provide at least two measurement signals (cos, sin), which are phase-shifted with respect to each other, for signal processing. In order to detect errors occurring in the measurement signals, two half bridge signals (cosP, cosN), which are provided by the half bridges (HB1, HB2) of the same full bridge (VB), are combined with each other and evaluated in the signal processing.
G01D 3/08 - Measuring arrangements with provision for the special purposes referred to in the subgroups of this group with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
G01P 3/487 - Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets
G01D 5/14 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
G01D 5/244 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trainsMechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains
The description comprises an apparatus for controlling an electric motor (12) of a steering system, comprising: first phases (U1, V1, W1) and second phases (U2, V2, W2), wherein the apparatus comprises a first output stage (8) and a first control module (6) and a second output stage (9) and a second control module (7), wherein the first output stage (8) and the first control module (6) are intended to control the first phases (U1, V1, W1), and the second output stage (9) and the second control module (7) are intended to control the second phases (U2, V2, W2).
The invention relates to a belt drive (7) with a drive gear (8), an output gear (10), and a tensioning gear (11). The belt drive is characterized by at least two belts (12a, 12b) which partly loop the drive gear (8) and the output gear (10) and a strand of each of which partly loops the tensioning gear (11). One strand of the first belt (12a) loops the tensioning gear (11) in one of the circumferential directions, said strand extending from the drive gear (8) to the output gear (10), and one strand of the second belt (12b) loops the tensioning gear (11) in the other circumferential direction, said strand extending from the drive gear (8) to the output gear (10). By using such a belt drive (7), a relatively large looping angle is achieved for the drive gear (8) and the output gear (10), and correspondingly a relatively large transmission power is achieved. Additionally, a belt (12a, 12b) self-tensioning function which is independent of the rotational direction can thereby be achieved as a result of the effect of the respective other belt (12a, 12b). By guiding the belts (12a, 12b) in this manner, an additional mounting of the tensioning gear (11) can also be omitted.
The description relates to a device for detecting a short circuit in a DC link capacitor C1, C2 of an output stage (5, 6), said output stage (5, 6) being provided for controlling a servomotor (3, 4) of a vehicle steering system; the device comprises a disconnector (1, 2) for disconnecting the output stage (5, 6) from the steering mechanism, and also comprises a means (7, 8) for determining the voltage over the disconnector (1, 2).
H02H 7/122 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for convertersEmergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for rectifiers for static converters or rectifiers for inverters, i.e. DC/AC converters
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
G01R 31/02 - Testing of electric apparatus, lines, or components for short-circuits, discontinuities, leakage, or incorrect line connection
30.
PROTECTION OF A POLARITY REVERSAL PROTECTION MOSFET BY ELECTROMOTIVE FORCE MEASUREMENT
The description relates to a device for steering a vehicle, comprising: an output stage (3, 4) for controlling an electric motor (1, 2); a DC link for supplying electric power to the output stage (3, 4), said DC link having a DC link voltage (V2, V3); a disconnector (8, 9) for disconnecting the output stage (3, 4) from the steering mechanism; and a polarity reversal protection mechanism (7) for preventing a supply voltage (5) to be connected in a reversed manner to the output stage (3, 4), the device generating a pulse for connecting the polarity reversal protection mechanism (7) whenever the DC link voltage (V2, V3) is high.
H02H 11/00 - Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02H 7/122 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for convertersEmergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for rectifiers for static converters or rectifiers for inverters, i.e. DC/AC converters
H02H 9/04 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
The invention relates to a steering system of a vehicle, comprising an electric motor (18, 19, 25, 26, 29, 37) for supporting a steering process and comprising a set of chips for actuating the electric motor (18, 19, 25, 26, 29, 37). The set comprises the following: a microcomputer or microcontroller (9, 10, 11), an end stage (14, 15, 16, 27, 28, 34), and a system basis chip (5, 6, 7, 8, 32, 33). The system basis chip (5, 6, 7, 8, 32, 33) constitutes an interface between the electric motor (18, 19, 25, 26, 29, 37) and the surrounding electronics consisting of the microcomputer or microcontroller (9, 10, 11) and the end stage (14, 15, 16, 27, 28, 34). The system basis chip (5, 6, 7, 8, 32, 33) is separated into a system basis chip low voltage (SBC-LV, 5, 6, 33) and a system basis chip high voltage (SBC-HV, 7, 8, 32).
This invention is a steering system for a trailing or leading axle of a vehicle including a steering angle sensor, a driving speed sensor, an electric motor that drives a hydraulic pump, a working cylinder for steering wheels of the axle, which is joined to the hydraulic pump, a control device which determines a trailing angle of the wheels and which controls the electric motor, wherein the working cylinder has a center position borehole via which hydraulic fluid is emitted, and a piston seals the center position borehole in the straight position of the wheels, wherein the working cylinder is connected to return valves, via which hydraulic fluid can flow back into a tank, wherein the center position borehole is connected to a center position valve, via which hydraulic fluid can flow back into a tank, and wherein the return valves and the center position valve are poppet valves.
B62D 5/06 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
B62D 5/08 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of valve used
B62D 7/14 - Steering linkageStub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
The invention relates to a method for operating a steering system of a motor vehicle with power-assisted steering. An assistance moment (36) is introduced into a steering gear by means of a drive unit of the power-assisted steering. A torsion bar moment is determined by means of a torque sensor. An actual rotational speed (90) of the drive unit is determined. A vibration signal (44) for producing vibrations in the steering gear is determined. A minimum rotational speed (86; 66) for the drive unit is determined according to an effective moment (64) of the drive unit. The vibration signal (44) is linked to the assistance moment (36) if the actual rotational speed (90) of the drive unit falls below the minimum rotational speed (86; 66).
The invention relates to a method for plausibility checking of sensor signals, in which sensor signals of a first sensor are fed to a first data processing unit and sensor signals of a second sensor are fed to a second data processing unit, the sensor signals being fed in a crossed manner and in addition with delay to the other data processing unit.
The invention relates to a method for sensing one or more conspicuous noises during the operation of a motor vehicle which has an electronic power steering device (1), wherein at least one acceleration sensor (9) is present in the region of the electronic power steering device (1) and wherein the at least one conspicuous noise is detected in the measurement signals (w) of the at least one acceleration sensor (9).
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
36.
METHOD FOR MONITORING THE STATUS OF AN ELECTRONIC POWER STEERING DEVICE OR OF AT LEAST ONE COMPONENT OF THE ELECTRONIC POWER STEERING DEVICE OF A MOTOR VEHICLE.
The invention relates to a method for monitoring the status of an electronic power steering device (1) or of at least one component (7) of the electric power steering device (1) of a motor vehicle, wherein during the driving mode of the motor vehicle acceleration measured values are acquired continuously in a region of the electronic power steering device (1), wherein a) the acquired acceleration measured values are fed continuously to a damage calculation which sums the acceleration measured values, in particular in a modified form, and continuously forms therefrom at least one variable which characterizes a degree of damage of the electronic power steering device (1) or of the at least one component of the electronic power steering device (7); and/or wherein b) at least one variable which characterizes a current steering state of the electronic power steering device (1) or of the at least one component (7) of the electric power steering device (1) is formed continuously from the acquired acceleration measured values.
The invention relates to a method for masking and/or reducing disturbing noises or the conspicuousness thereof during operation of a motor vehicle, wherein a compensation signal and/or a superposition signal is formed, depending on disturbing noises detected in obtained acceleration measurement signals (w, w’) or depending on operating states of the motor vehicle or at least one component (1) of the motor vehicle, which compensation and/or superposition signal is then modulated onto an existing control signal (v) of an actuator (7) of the motor vehicle in such a way that the disturbing noises or the conspicuousness thereof is reduced and/or the disturbing noises are at least partially masked.
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effectsMasking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
The invention relates to a steering mechanism (1) for a motor vehicle, wherein a gear unit (13) includes a rotatably arranged second gear (18) which meshes with the first gear (14) and the internal teeth (16a) of a ring gear (16) and which can move along the ring gear (16) during a rotation of the steering shaft (12); the gear unit (13) includes a limiting device (20) for limiting a rotation of the steering shaft (12), said limiting device (20) being designed to limit a movement of the second gear (18) along the ring gear (16).
The invention relates to a steering system (1) for a trailing axle (An) of a motor vehicle (F), comprising an electric motor (M) for driving a hydraulic pump (P), wherein a first valve (12) is fluidically connected to the pump (P) such that same blocks fluid flow between a central bore (11) of a working cylinder (10) and the pump (P) when pressure is generated by the pump (P), and same releases a fluid flow between the central bore (11) of the working cylinder (10) and the pump (P), in a non-pressurised state of the pump (P), to divert hydraulic fluid from the working cylinder (10) via the central bore (11) of the working cylinder (10) by means of an adhesion-driven return movement of a piston (14) arranged in the working cylinder (10) into a central position (G). The invention further relates to a method for operating a steering system (1) for a trailing axle (An) of a motor vehicle (F).
B62D 7/14 - Steering linkageStub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
40.
APPARATUS AND METHOD FOR HARD-WORKING TEETH OF A STEERING RACK
The invention relates to an apparatus (1) for hard-working teeth (12) of an elongate, rotationally non-symmetrical part (10), in particular a steering rack for a steering gear in a motor vehicle, said apparatus (1) comprising a pinion (14) that can mesh with the teeth (12) and can roll over the teeth (12) at a definable contact force (F); said pinion (14) has an abrasive surface (14a), and in order to remove material from flanks (12a) of the teeth (12), the pinion (14) can be deflected in an oscillating manner as it rolls over the teeth (12).
A method is described for operating a steering system (2) of a motor vehicle. A steering means (8) is connected to a steering gear (14) by means of an active steering system (4). During autonomous operation of the motor vehicle, a driver's intervention (40) in the steering means (8) is determined. The active steering system (4) is operated in such a way that a coupling (30) between an angle (26) of the steering means and an angle (28) input into the steering gear (14) is adjusted depending on the thus determined driver's intervention (40).
B62D 1/28 - Steering controls, i.e. means for initiating a change of direction of the vehicle not vehicle-mounted non-mechanical
B62D 6/08 - Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to input torque
42.
ELECTROMECHANICAL ACTUATOR COMPRISING A REDUNDANT ELECTRONIC SUB-SYSTEM
The invention relates to an electromechanical actuator (10) for rack-and-pinion steering (22), wherein the actuator (10) comprises a stator (12) and a rotor (14). In addition, the actuator (10) comprises an electronic system, which has at least one first electronic sub-system with a first power output stage (41), a first control unit (51) and a first rotor position sensor arrangement (61) and a second electronic sub-system with a second power output stage (42), a second control unit (52) and a second rotor position sensor arrangement (62). In this way, the first electronic sub-system and the second electronic sub-system are operatively connected to the stator (12) and the rotor (14). The core of the invention is that the first electronic sub-system is arranged at least on a first circuit carrier plane (91) and a second circuit carrier plane (92) and the second electronic sub-system is arranged at least on the first circuit carrier plane (91) and a third circuit carrier plane (93). In addition, the first, second and third circuit carrier planes (91, 92, 93) are arranged perpendicular to an axis of rotation (15) of the rotor (14) and spaced apart from each other along the axis of rotation (15).
The invention relates to a method for controlling the articulation angle (γ) during the reversing of a vehicle combination (1), comprising a tractor motor vehicle (2) having at least one trailer (3), by means of a first articulation angle controller (6), which determines an intended steering lock (δsoll) from at least one steerable wheel (5a, 5b) of the tractor vehicle (2) and controls the same via a steering actuator of the tractor motor vehicle (2), in order to achieve a predefined intended articulation angle (γsoll) of the vehicle combination (1). The rate of change of the articulation angle (γ) is limited in such a way that the maximum available setting speed of the steering actuator is sufficient, such that the movement of the at least one trailer (3) follows the intended articulation angle (γsoll), in particular over a predefined range of speed of travel of the vehicle combination (1).
In a method for operating a permanently excited synchronous machine which is operated redundantly with at least two component machines, in the case of a loss of function of one component machine, the maximum torque which is made available by the other component machine is successively reduced in a transition phase to a limiting torque which is lower than the maximum torque which can be generated by the remaining component machine.
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
H02P 25/22 - Multiple windingsWindings for more than three phases
The invention relates to a method for operating a steering system (2) of a motor vehicle having power steering (4). Said power steering (4) comprises a number of actuator paths (20, 30) for introducing an overall assist torque. The overall assist torque is determined in each actuator path (20, 30). Partial assist torques are determined for all the actuator paths (20, 30) in each actuator path (20, 30). Each activated actuator path (20, 30) received its assigned partial assist torque from an actuator path (20; 30) activated as the master.
The invention relates to a steering gear for a vehicle comprising a steering pinion and a master rack, the toothing of the master rack having a constant helix angle and the toothing of the steering pinion having a changing helix angle.
B62D 3/12 - Steering gears mechanical of rack-and-pinion type
F16H 19/04 - Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary motion and reciprocating motion comprising a rack
47.
METHOD FOR OPERATING A STEERING SYSTEM OF A MOTOR VEHICLE
The invention relates to a method for operating a steering system (2) of a motor vehicle. Said steering system (2) comprises power steering (4) for introducing a target assist torque (24, 34) into a steering gear (8) of the steering system (2). At least two electromechanical actuators (22, 32) are operated on a common on-board network (50) or on different on-board networks. An over-voltage of the on-board network (50) is determined. The respective target assist torque (24; 34) of the at least two electromechanical actuators (22, 32) is determined in such a way in such a way that the over-voltage of the on-board network (50) is reduced.
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
48.
COMPENSATING FOR THE DELAY DURING A MEASUREMENT OF THE ANGULAR POSITION OF A ROTOR
The description describes a method for compensating for a delay in a feedback branch of a servo drive (3) used for power-steering a vehicle, said method comprising the steps of: determining the delay (7), and arithmetically compensating for the delay (8).
The invention relates to a displacement pump (10), in particular a vane pump for delivering a fluid for a fluid-consuming unit (6) of a motor vehicle, the cover (12) and/or the end plate (14) having a recess (32, 34) designed to supply the fluid current (F) to the delivery chamber (30) at least to some extent in an axial fashion. The invention further relates to a method for operating a displacement pump (10) and to a steering system (1) for a motor vehicle. The invention further relates to a gearing (100) for a motor vehicle.
F04C 2/344 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
F01C 21/10 - Outer members for co-operation with rotary pistonsCasings
F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
F04C 15/06 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
The description comprises an apparatus for measuring the intermediate circuit capacitance 1 of a control circuit for a servo drive of a steering system in a vehicle, comprising: a first output stage 2 for controlling a first machine part 10, a first current measuring apparatus 4, 5 for measuring a phase current IU, IW of the machine part 10 and a second resistor R2 and a third resistor R3 for forming a voltage divider for measuring the intermediate circuit voltage 1, wherein a switch S1 is arranged between a voltage supply UBAT for charging the intermediate circuit capacitance 1 and the intermediate circuit capacitance 1, wherein the switch S1 is open during measurement of the intermediate circuit capacitance.
G01R 31/02 - Testing of electric apparatus, lines, or components for short-circuits, discontinuities, leakage, or incorrect line connection
G01R 27/26 - Measuring inductance or capacitanceMeasuring quality factor, e.g. by using the resonance methodMeasuring loss factorMeasuring dielectric constants
H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
51.
DEVICE FOR OPERATING A STEERING SYSTEM, STEERING SYSTEM AND METHOD
The invention relates to a device for operating a steering system (1), comprising at least one electrically operable actuator (A), having at least one carrier substrate on which a first electronics system (17) and a second electronics system (18), which is at least partially redundant thereto, is arranged for operating the actuator (A), wherein the at least one carrier substrate is sealed in a fluid-tight manner, at least in regions, by a protective coating (27, 28, 30). According to the invention, the first electronics system (17) is sealed at least substantially by the protective coating (27), and the second electronics system (18) is at least partially free of a protective coating. (Figure 2)
The invention relates to a device for operating a servo steering system (1) which has at least one electric motor (10) for generating a supporting motor steering torque for pivoting at least one steerable wheel (2) of a vehicle, comprising two electronic systems (15, 16), which are designed to be at least substantially redundant to each other, for actuating the electric motor (10), each electronic system having a control unit (17, 18) and a monitoring unit (19, 20) connected to the control unit for monitoring and, if necessary, deactivating the paired control unit (17, 18). The monitoring unit (19, 20) of at least one of the electronic systems (15, 16) is additionally connected to the control unit (18, 17) of the other electronic system (16, 15).
The invention relates to a sensor device, in particular a torque sensor (19) for a servo steering system of a vehicle, comprising at least three sensors (15, 16, 17), which each have a supply terminal (V15, V16, V17), a ground connection M15, M16, M17) and a signal output (A15, A16, A17). According to the invention, the supply terminal (V16) of one of the sensors (16) is connected to the supply terminals (V15, V17) of at least two of the other sensors (15, 17).
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
B62D 6/10 - Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to input torque characterised by the means for sensing torque
The invention relates to a displacement pump (10), in particular a rotary vane pump for a motor vehicle, wherein pressure medium flows can be conducted out of the discharge chambers (12b, 14b) into a respective pressure chamber (18a, 18b), wherein a first pressure (P1) can be generated in the discharge chamber (12b) of the first working chamber (12) and a second pressure (P2) can be generated in the discharge chamber (14b), wherein the first pressure (P1) can be provided to a first consumer (19) and the second pressure (P2) can be provided to a second consumer (20). Furthermore, the invention relates to a hydraulic system (1) for a motor vehicle.
F01C 21/10 - Outer members for co-operation with rotary pistonsCasings
F04C 2/344 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
F04C 15/06 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
55.
POSITIVE DISPLACEMENT PUMP FOR CONVEYING A FLUID FOR A CONSUMER IN A MOTOR VEHICLE
The invention relates to a positive displacement pump (10), in particular a vane pump, for conveying a fluid for a consumer in a motor vehicle, wherein at least one discharge groove (18a, 18b) is formed in the end face (15a) of the housing-side control disc (15) and is designed to discharge, from the respective gaps (17a, 17b), leakage fluid (LF) from the pressure side (DS) of the working chamber (14).
F04C 2/344 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
F01C 21/10 - Outer members for co-operation with rotary pistonsCasings
The invention relates to a positive displacement pump (10), in particular a vane pump, for conveying a fluid for a consumer (2) in a motor vehicle, wherein the suction connection (14) is parallel to the return connection (16) at a connection surface (10a) of the positive displacement pump (10), the suction channel (15) and the return channel (17) being designed in such a way that a fluid flow of the return channel (17) hits a fluid flow of the suction channel (15) at a predefined angle (α, ß). The invention also relates to a hydraulic system (1) for a motor vehicle.
F04C 2/344 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
F04C 15/06 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
F04C 14/26 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves using bypass channels
57.
DEVICE FOR ADJUSTING A STEERING COLUMN OF A MOTOR VEHICLE, AND STEERING SYSTEM
The invention relates to a device (10) for adjusting a steering column of a motor vehicle, having a bearing block (12), in which a steering column housing (14) of the steering column (15) is adjustably mounted, first guide means (16), by which the height of the steering column housing (14) can be adjusted, and second guide means (20), by which the inclination of the steering column housing (14) can be adjusted, characterized in that the second guide means (20) have at least one first guide plate (22; 28) and at least one second guide plate (26; 30), which are movably connected to the steering column housing (14) and the bearing block (12), wherein the at least one first guide plate (22; 28) and the at least one second guide plate (26; 30) are axially movable by an adjustment of the inclination of the steering column housing (14). The invention further relates to a steering system for a motor vehicle.
B62D 1/183 - Steering columns yieldable or adjustable, e.g. tiltable adjustable between in-use and out-of-use positions, e.g. to improve access
B62D 1/187 - Steering columns yieldable or adjustable, e.g. tiltable with tilt adjustmentSteering columns yieldable or adjustable, e.g. tiltable with tilt and axial adjustment
B62D 1/184 - Mechanisms for locking columns at selected positions
58.
DEVICE FOR THE REVERSIBLE ADJUSTING OF A STEERING COLUMN OF A MOTOR VEHICLE FROM A USE POSITION INTO AN EASY-ENTRY POSITION, AND STEERING SYSTEM
The invention relates to a device (10) for the reversible adjusting of a steering column (15) of a motor vehicle from a use position (P1) into an easy-entry position (P2), comprising a bearing block (12) in which a steering column housing (14) of the steering column (15) is adjustably mounted, first guide means (16) via which the steering column housing (14) can be adjusted in height, and second guiding means (20) via which the steering column housing (14) can be adjusted in terms of inclination, wherein the first guide means (16) and the second guide means (20) are designed to mechanically move the steering column housing (14) from the use position (P1), which can be determined within a height- and inclination adjustment range of the steering column housing (14), into the easy-entry position (P2), and back into the previous use position (P1). The invention also relates to a steering system for a motor vehicle.
B62D 1/183 - Steering columns yieldable or adjustable, e.g. tiltable adjustable between in-use and out-of-use positions, e.g. to improve access
B62D 1/184 - Mechanisms for locking columns at selected positions
B62D 1/187 - Steering columns yieldable or adjustable, e.g. tiltable with tilt adjustmentSteering columns yieldable or adjustable, e.g. tiltable with tilt and axial adjustment
59.
PRESSURIZED MEDIUM DELIVERY DEVICE AND SEALING DEVICE FOR SEALING A PRESSURIZED MEDIUM DELIVERY DEVICE
The invention relates to a pressurized medium delivery device (10), in particular for a motor vehicle, having a housing (12) on which there are arranged a suction connection (14) for supplying pressurized medium into the pressurized medium delivery device (10) and at least one pressure connection (16a, 16b) for discharging pressurized medium from the pressurized medium delivery device (10), which, for storage and/or transport of the pressurized medium delivery device (10), can be sealed by means of a sealing device (18) prior to installation in a hydraulic system, wherein the suction connection (14) and the at least one pressure connection (16a, 16b) can be sealed by means of a sealing device (18) designed in one piece. The invention further relates to a sealing device (18) for sealing the pressurized medium delivery device (10).
The description relates to a method for controlling a servo drive of a steering system of a vehicle, comprising the step of: failure of the feedback (1, 5) comprising the step of: monitoring the control of the servo drive (3, 8).
The invention relates to a method and to devices for operating a power steering system (10) of a motor vehicle, wherein a motor torque (26) applied by an electric motor (16) is superposed on a specified manual torque (24) in a superposing unit (14), wherein a beginning freezing of the power steering system (10) is detected by means of suitable measures, such as an evaluation of rotational speed patterns of the electric motor (16), and wherein the electric motor (16) is controlled by means of an oscillating control signal in order to avoid the freezing of the power steering system (10), whereby an oscillating application of a shaking torque (26*) to the power steering system (10) is effected, which shaking torque is applied by the electric motor (16). According to the invention, instead of an oscillating control signal (S#) that has a uniform amplitude (a0) that acts in continuous time spans (T0), a control signal (S*) that has first time spans (T1) in which the control signal (S*) has an increased amplitude (a1) and second time spans (T2) in which the control signal (S*) has no amplitude or a reduced amplitude (a2) is now generated, whereby the shaking torque (26*) applied by the electric motor (16) can be produced with an increased maximum torque (M*) in the first time spans (T1), without thermal overloading of the electric motor (16).
The invention comprises a ball-nut steering of a conventional vehicle, comprising: a first and a second cylinder chamber (1, 8) for receiving a fluid and a first feed line for conducting fluid from a pump (12) to the first cylinder chamber (1), wherein the ball-nut steering comprises a device (10, 13) for damping and/or easing pulsations of the fluid, wherein the device (10, 13) is arranged inside the first cylinder chamber (1) and/or inside the first feed line, wherein the first cylinder chamber (1) has a smaller volume for receiving the fluid than the second cylinder chamber (8).
B62D 5/06 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
B62D 5/24 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application for worm type
63.
STEERING GEAR AND METHOD FOR ASSEMBLING SUCH A STEERING GEAR
The invention relates to a steering gear comprising a steering rack (4) mounted such that it can move along the longitudinal axis in a housing, comprising a steering pinion (5) rotatably mounted in the housing, meshed with the steering rack (4) and having a thrust piece (6) mounted inside the housing, by means of which the steering rack (4) can be pressed onto the steering opinion (5), wherein the housing is formed by a first housing part (1) and a second housing part (2), which form connecting surfaces (36) oriented in the longitudinal direction of the steering rack (4) for connection to one another, characterised in that the thrust piece (6) is formed as a pretensioned unit that can be relaxed via the releasing of an activation element.
The invention relates to an intermediate steering shaft for a motor vehicle, wherein an elastic element is arranged and formed at least partially in a first recess and second recess formed in a receiving section of a profile shaft, and at least partially in a recess formed in a first guide rail and a recess formed in a second guide rail, in order to apply a pretension to the respective guide arrangement. The invention also relates to a method for operating an intermediate steering shaft for a motor vehicle.
Described is a method for operating a steering system (4) in a motor vehicle, said steering system (4) comprising an electric drive unit (15) for boosting the steering force. The electric drive unit (15) is operated using software. When the software is restarted, the drive unit (15) is operated in such a way that a torque introduced into the drive unit (15) is damped.
A steering system for a motor vehicle comprising a steering linkage, a steering drive, a gearbox transmitting a driving movement of the steering drive to the steering linkage, and a multi-piece housing that at least partially surrounds the steering linkage, the steering drive and/or the gearbox, having a drainage groove formed in a first contact surface of a first housing part of the multi-piece housing, the first contact surface being seated against a mating second contact surface of a second housing part of the multi-piece housing.
The disclosure relates to a positive-displacement pump (10), in particular a vane-type pump for the delivery of a fluid for a consumer (6) of a steering system (1), wherein the rotor (24), the cam ring (20), the housing-side control plate (32) and the cover-side control plate (34) form, in an assembled state, a rotor assembly (35), and wherein the housing-side control plate (32) is arranged adjacent to a housing face surface (36) in an axial direction and the cover-side control plate (34) is arranged adjacent to a cover face surface (38) in the axial direction, wherein the rotor assembly (35) is movable in the axial direction between the housing face surface (36) and the cover face surface (38). The disclosure also relates to a method for operating a positive-displacement pump (10), and to a steering system (1).
F01C 21/10 - Outer members for co-operation with rotary pistonsCasings
F04C 2/348 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the vanes positively engaging, with circumferential play, an outer rotatable member
F04C 14/04 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for reversible machines or pumps
F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
68.
DISPLACEMENT PUMP, METHOD FOR OPERATING A DISPLACEMENT PUMP, STEERING SYSTEM, AND GEARING
The invention relates to a displacement pump (10), in particular a rotary vane pump, for conveying a fluid for a load (6). A lateral surface (24a) of a rotor (24) of the displacement pump (10) has at least one recess (41), which is designed to conduct a fluid flow (F), which is admitted into a conveying chamber (30d) arranged in a suction zone (35), into an interior (31) of the conveying chamber (30d). The invention further relates to a method for operating a displacement pump (10) and to a steering system (1) for a motor vehicle. The invention also relates to a gearing for a motor vehicle.
F04C 2/344 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
F04C 15/06 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
F01C 21/10 - Outer members for co-operation with rotary pistonsCasings
The description relates to a redundantly designed steering system for a vehicle, comprising: a first partial machine (1) that has a first sensor (2), a first analog-digital converter (3) and a first control unit (4); and a second partial machine (10) that has a second sensor (11), a second analog-digital converter (12) and a second control unit (13). A communication channel (5, 6, 7, 8, 9) is provided between the first sensor (2) and the second analog-digital converter (12), between the first analog-digital converter (3) and the second control unit (13), or between the first control unit (4) and the second control unit (13).
The invention relates to a bearing assembly for bearing a steering shaft, which accommodates a bearing and a damping disk in a bearing housing that consists of two housing sections, wherein the bearing is integrated into the damping disk which is radially supported with its circumferential side on the inner wall of a housing section, the other housing section being axially supported on the damping disk.
The invention relates to a method for operating a steering system (2) of a motor vehicle having a power steering system (4). A support torque is introduced into a steering transmission (8). A driving situation is determined. The support torque is reduced depending on the driving situation.
The invention relates to a control device (8) for a steering system in motor vehicle, comprising two chambers (10, 11) for receiving electronic components.
The invention relates to a ball screw drive (10) used in a steering system. The ball screw drive (10) includes a lead screw (2a) for converting an auxiliary torque produced by an electric motor (M) into an auxiliary translational force which acts on a steering rack (2b) in the steering system of a motor vehicle. One end of the lead screw (2a) and one end of the steering rack (2b) are each connected to a track rod (3, 3') via an axial link (G), and the ball screw drive (10) has a ball nut (5) mounted in a housing (GH) with a fixed bearing (4). In order to withstand lateral loads or lateral forces coming from the track rod or rods (3, 3') and acting in the radial direction (y) there is provided between the end of the lead screw (2a) connected to the track rod (3) and the ball screw drive (10) a plain bearing element (30) which supports the lead screw (2a) radially against the housing (GH). The plain bearing element is preferably in the form of a plain bearing bushing (30) which is universally mounted in the housing (GH) to allow pivoting at least about a lateral axis (z) extending perpendicular to a direction (y) in which a lateral force component (c) of a track rod force (a) acts. The plain bearing bushing (30) preferably has an annular outer periphery (31) which is convexly domed, more particularly in the form of a spherical cap. At least a first portion of the convex outer periphery (31) lies against a concave portion of the inner wall of the housing (GH), which is concavely domed.
The invention relates to a ball screw drive (10) used in a steering system. The ball screw drive (10) includes a lead screw (2a) for converting an auxiliary torque produced by an electric motor (M) into an auxiliary translational force which acts on a steering rack (2b) in the steering system of a motor vehicle. One end of the lead screw (2a) and one end of the steering rack (2b) are each connected to a track rod (3, 3') via an axial link (G), and the ball screw drive (10) has a ball nut (5) mounted in a housing (GH) with a fixed bearing (4). In order to withstand strong lateral loads or lateral forces coming from the track rod or rods (3, 3') and acting in the radial direction (y) there is provided between the end of the lead screw (2a) connected to the track rod (3) and the ball screw drive (10) a plain bearing element (20) which supports the lead screw (2a) radially against the housing (GH). The support is provided by an adjustable radial clearance, and the plain bearing element is preferably in the form of a sleeve (20) which surrounds the lead screw (2a), the sleeve (20) having a conically shaped portion (22) which is conically shaped on its outer periphery in the axial direction (x) and lies against a conically formed inner wall (23) in the housing (GH).
The invention relates to a ball-screw drive (10) for the translational transmission of force by way of a threaded spindle or toothed rack (2) in a steering system of a motor vehicle, wherein each end of the threaded spindle or toothed rack (2) is connected by way of an axial joint (G) to a track rod (3), wherein the ball-screw drive (10) has a ball nut (5) which is mounted by way of a fixed bearing (4) in a housing (1), wherein the fixed bearing (4) has an outer ring (4A) which is accommodated in a housing (1) of the ball-screw drive (10). To prevent the occurrence of lateral forces which lead to radial loads on the toothed rack, provision is made whereby, on each face side of the outer ring (4A), between the outer ring (4A) and the housing (1), there is arranged at least one element (S1-S4; S, S') for cardanic mounting of the outer ring (4A) in relation to the axis of rotation (D) of the ball-screw drive (10). The elements (S1-S4; S, S') provided for the mounting may for example be cardan discs which permit at least semi-cardanic or even fully cardanic mounting of the ball-screw drive.
A steering system for a motor vehicle comprises an electric servomotor, as well as a water ingress detection device, at least one phase line of said servomotor being connected to a detection line for detecting the water level in a water-collecting area.
The invention relates to an intermediate steering shaft (1) for a motor vehicle, having an outer hollow shaft (10), an inner hollow shaft (12) which is arranged at least partially in the outer hollow shaft (10), a profile shaft (14) which is arranged in the outer hollow shaft (10) and connects the outer hollow shaft (10) and the inner hollow shaft (12) to one another, and a plurality of guide arrangements (15, 25, 35) which guide the profile shaft (14) in the outer hollow shaft (10) for displacing the profile shaft (14) and the inner hollow shaft (12) which is connected to it in the axial direction of the outer hollow shaft (10), wherein an elastic element (22, 32, 42) is arranged between a respective guide rail (18, 28, 38) and a receiving section (16, 26, 36) of the profile shaft (14), which elastic element (22, 32, 42) is configured to provide play compensation for the respective guide arrangement (15, 25, 35) and to transmit a torque which acts from the outer hollow shaft (10) on the guide arrangement (15, 25, 35) to the profile shaft (14). Furthermore, the invention relates to a method for operating an intermediate steering shaft (1) for a motor vehicle.
F16D 3/06 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
The invention relates to a steering system (1) for a motor vehicle, comprising a hydraulic pump (12) driven by an electric motor (10), a working cylinder (16) which is arranged in a steering gear housing (14), is connected to the hydraulic pump (12) via a valve arrangement (18) and converts the pressure applied by said pump into a force acting on a steering column lever (19), and an oil container (20) connected to the hydraulic pump (12) and the working cylinder (16) for volume compensation of the working cylinder (16), wherein the hydraulic pump (12), the electric motor (10) driving the hydraulic pump (12), and the oil container (20) connected to the hydraulic pump (12) and the working cylinder (16) are arranged in or on the steering gear housing (14).
B62D 5/24 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application for worm type
79.
STEERING SYSTEM FOR A MOTOR VEHICLE, AND METHOD FOR BLEEDING A STEERING SYSTEM FOR A MOTOR VEHICLE
The invention relates to a steering system (1) for a motor vehicle having a hydraulic cylinder (10), in which a piston (12) is arranged that can move in an axial direction of the hydraulic cylinder (10), wherein the hydraulic cylinder (10) has a first and second pressure chamber (14, 16) that are separated from one another by the piston (12). The hydraulic cylinder (10) has a second stroke (H2), lying outside an effective stroke (H1), for bleeding the steering system (1). A device (24) for bleeding the steering system (1) connects the first pressure chamber (14) to the second pressure chamber (16) when the piston (12) is positioned in the region of the second stroke (H2) of the hydraulic cylinder (10). The invention also relates to a method for bleeding a steering system (1) for a motor vehicle.
B62D 5/06 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
B62D 5/065 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by specially adapted means for varying pressurised fluid supply based on need, e.g. on-demand, variable assist
The invention relates to a steering system for at least one trailing or leading axle of a vehicle, comprising: a steering angle sensor for measuring a steering angle of wheels of a front axle of the vehicle; a driving speed sensor for measuring a driving speed of the vehicle; an electric motor (1.2) that drives a hydraulic pump (2); a working cylinder (11) for steering the wheels of the trailing axle, which is connected to the hydraulic pump (2) via supply lines (7 and 7.1); a control device (1.1) which, using the data of the steering angle sensor and the driving speed sensor, determines a trailing angle of wheels on the trailing axle of the vehicle, and actuates the electric motor in a corresponding manner, wherein the working cylinder (11) has a centre position borehole (11.3) via which hydraulic fluid can be released from the working cylinder (11), wherein the centre position borehole (11.3) of the working cylinder (11) is connected to a centre position valve (12), via which hydraulic fluid can flow back into a tank (6), and wherein a piston (14.1) closes the centre position borehole (11.3) in the straight-ahead position of the wheels of the trailing axle, which piston (14.1) has a piston seal (14.2) and a piston guide, and which centre position borehole (11.3) can only be closed by the piston seal (14.2).
B62D 7/14 - Steering linkageStub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
F15B 15/22 - Other details for accelerating or decelerating the stroke
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
Disclosed is a control valve for controlling the delivery rate of a pump, the valve comprising: a first channel 16 for connecting a left region 22 of the control valve and a right region 23 for providing a pressure B; and a second channel 15 for connecting the right region 23 of the control valve to an outflow 13, in order to facilitate full control, the first and the second channels 15, 16 being arranged inside the control valve.
A fixed bearing for a steering gear having a rotary bearing which comprises an inner bearing shell which is provided for receiving a pinion shaft of the steering gear, and an outer bearing shell which is accommodated in a bearing bushing, and having a pivoting ring which has an outer ring and an inner ring which are pivotably connected via one or more torsion webs, wherein the outer ring is provided for supporting the fixed bearing in a housing of the steering gear, wherein the inner ring of the pivoting ring is mounted and axially secured on the outside of the bearing bushing.
F16H 1/16 - Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
F16C 27/04 - Ball or roller bearings, e.g. with resilient rolling bodies
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
F16H 57/039 - Gearboxes for accommodating worm gears
F16H 57/021 - Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
F16H 25/24 - Elements essential to such mechanisms, e.g. screws, nuts
F16H 57/022 - Adjustment of gear shafts or bearings
F16H 57/12 - Arrangements for adjusting or for taking-up backlash not provided for elsewhere
F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
F16C 19/54 - Systems consisting of a plurality of bearings with rolling friction
The invention relates to a steering system for at least one trailing or leading axle of a vehicle, comprising: a steering angle sensor for measuring a steering angle of wheels of a leading axle of the vehicle; a driving speed sensor for measuring a driving speed of the vehicle; an electric motor (1.2) that drives a hydraulic pump (2); a working cylinder (11) for steering the wheels of the trailing axle, which is joined to the hydraulic pump (2); a control device (1.1) which determines a trailing angle of wheels on the trailing axle of the vehicle, using the data of the steering angle sensor and the driving speed sensor, and which controls the electric motor in a corresponding manner, wherein the working cylinder (11) has a centre position borehole (1.3) via which hydraulic fluid can be emitted from the working cylinder (11), and a piston seals the centre position borehole (11.3) in the straight position of the wheels of the trailing axle, wherein the working cylinder (11) is connected to return valves (10 and 10.1), via which hydraulic fluid can flow back into a tank (6), wherein the centre position borehole (11.3) of the working cylinder (11) is connected to a centre position valve (12), via which hydraulic fluid can flow back into a tank (6), and wherein the return valves (10 and 10.1) and the centre position valve (12) are in the form of a poppet valve.
B62D 5/08 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of valve used
B62D 7/14 - Steering linkageStub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
84.
METHOD FOR MANUFACTURING COMPONENTS OF A SWIVEL MOTOR FOR A STEERING SYSTEM
The description relates to a powder-metallurgical method for manufacturing components of a swivel motor for a vehicle steering system, said method involving the steps of: pressing 2, 3, 4, 5, 6 or any number of wing elements, assembling the wing elements, and sintering the assembled wing elements, and/or pressing 2, 3, 4, 5, 6 or any number of housing elements, assembling the housing elements, and sintering the housing elements.
F15B 15/12 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the oscillating-vane or curved-cylinder type
The description comprises a ball and nut steering system of a vehicle, comprising: a first and a second cylinder chamber 1, 8 for receiving a fluid, a first feed line 2 for conducting fluid from a pump to the first cylinder chamber and a second feed line for conducting fluid from the pump to the second cylinder chamber 8, wherein the ball and nut steering system comprises a device 4 for damping and/or steadying pulsations of the fluid, wherein the fluid is arranged within the first and/or the second cylinder chamber (1, 8) and/or within the first and/or the second feed line (2).
B62D 5/06 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
B62D 5/24 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application for worm type
86.
METHOD FOR ASSISTING A DRIVER IN MANEUVERING A MOTOR-VEHICLE COMBINATION
The invention relates to a method for assisting a driver in maneuvering a motor-vehicle combination (1) comprising, as vehicles, at least one tractor motor vehicle (2) and at least two trailers (3a, 3b) coupled thereto, wherein a target articulation angle (γ2) at least between two of the vehicles (3a, 3b) is externally specified and is adjusted by means of at least one steering actuator (5a, 5b) of at least one of the vehicles (2). The method comprises at least the following steps: a) dividing the motor-vehicle combination (1) into at least two sub-combinations (1a, 1b) in such a way that adjacent vehicles (2, 3a, 3b) form a sub-combination (1a, 1b) in pairs, in which sub-combination a first vehicle is used as a trailer unit (3a, 3b) and a second vehicle is used as a tractor vehicle unit (2, 3a), at least virtually; b) repeatedly determining a target angle (α, γ1 , γ2) for a number of consecutive sub-combinations (1a, 1b) from a specified target articulation angle (γ1, γ2) between the tractor vehicle unit (2, 3a) and the trailer unit (3a, 3b), beginning with the sub-combination (1a) whose target articulation angle (γ2) was specified externally, wherein: - the determined target angle is adjusted as a target steering angle (α) for the tractor vehicle unit (2) of the sub-combination (1b) by means of the at least one steering actuator (5a, 5b) of the associated vehicle (2) if the tractor vehicle unit (2) has the at least one steering actuator (5a, 5b), or - the determined target angle is specified as the target articulation angle (γ1) for the next sub-combination (1b).
Method for supporting a driver by monitoring driving of a motor vehicle or a motor vehicle with trailer comprising a towing motor vehicle and at least one trailer coupled thereto, comprising at least the following steps: detection of image signals of a surroundings area of the motor vehicle or of the motor vehicle with trailer by at least two cameras arranged in particular on the motor vehicle or on the motor vehicle with trailer; transmission of the detected image signals of the cameras to at least one display device; display on the display device of one or more camera images based on transmitted image signals of the camera, wherein the camera images to be displayed are selected depending on the relative position and/or orientation of the driver to the motor vehicle or to the motor vehicle with trailer and/or depending on a number of driving state variables of the motor vehicle or the motor vehicle with trailer.
B60R 1/00 - Optical viewing arrangementsReal-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
88.
Method and device for controlling the articulation angle of a big rig
A method for controlling the articulation angle of a big rig, in which a first articulation angle control unit, which determines and controls a target wheel angle of at least one steerable wheel of the tractor unit so as to achieve a predefined target articulation angle of the big rig, is combined with a further articulation angle control unit for controlling the articulation angle with the first articulation angle control unit.
A method is described for operating a steering system (2) of a motor vehicle. A steering means (8) is connected to a steering gear (14) by means of an active steering system (4). During autonomous operation of the motor vehicle, a driver's intervention (40) in the steering means (8) is determined. The active steering system (4) is operated in such a way that a coupling (30) between an angle (26) of the steering means and an angle (28) input into the steering gear (14) is adjusted depending on the thus determined driver's intervention (40).
A steering gear having a gearwheel (2), a pinion shaft (3) which meshes with the former and is mounted such that it can be pivoted about a pivot axis which lies transversely with respect to the longitudinal axis (6) of the pinion shaft (3), wherein the pinion shaft (3) is loaded against the gearwheel (2) by means of a spring element which is integrated into a locating bearing (5) for the pinion shaft (3), which locating bearing (5) forms the pivot axis (7), and wherein the pinion shaft (3) is mounted in a floating bearing (8) such that is spaced apart axially from the pivot axis, which floating bearing (8) ensures mobility of the pinion shaft (3) which makes pivoting of the pinion shaft (3) about the pivot axis possible, wherein the floating bearing (8) comprises an outer part and an inner part which is arranged movably in a radial direction with respect to the outer part, is characterized by a stop element (24) which limits the radial mobility of the inner part and can be positioned differently with regard to a stop surface which is provided for contact with the inner part.
The invention proposes a vane pump (VP) with adjustable delivery volume, which vane pump has a pump housing (G), a cam ring (KR) arranged therein, and a rotor (R) which is rotatably movably mounted therein. The vane pump (VP) has a regulating device (RV) through which the delivered pressure medium (DM) flows and which has two outlets (A1, A2) which are each connected to one of two pressure chambers (DK1, DK2) in order to charge these with regulable proportions of the pressure medium (DM), wherein, to change the eccentricity of the cam ring (KR) relative to the rotor (R), the two pressure chambers (DK1, DK2) act on the outer surface of the cam ring (KR). The vane pump (VP) has two criss-crossing control ducts (STK*, STK#) which connect in each case one of the outlets (A1, A2) to one of the two pressure chambers (DK1, DK2) in order to charge these with the regulable proportions of the pressure medium (DM). The criss-crossing control ducts (STK*, STK#) are preferably arranged in a cover (D') of the pump housing such that the control ducts (STK*, STK#) are in a criss-crossing arrangement without coming into contact with one another. By means of this design, the vane pump (VP) can be easily reconfigured for a change in rotational direction of the rotor.
F01C 21/10 - Outer members for co-operation with rotary pistonsCasings
F04C 2/344 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
F04C 14/22 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
F04C 14/04 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for reversible machines or pumps
92.
Power steering component for motor vehicles with reversible pump
A steering gear component for a vehicle, comprising: a worm, which is mounted so as to be rotatably and axially non-displace able, wherein the worm has a ball screw for receiving a row of balls, and a ball nut, which is drivingly connected to the worm by way of the row of balls, and wherein the ball nut acts as a piston of a cylinder for steering force assistance, wherein a signal transmitter for a sensing element is arranged on the steering spindle and the sensing element is arranged on the worm, or wherein the sensing element is arranged on the steering spindle and the signal transmitter for the sensing element is arranged on the worm.
B62D 5/065 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by specially adapted means for varying pressurised fluid supply based on need, e.g. on-demand, variable assist
B62D 5/24 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application for worm type
B62D 5/20 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application
B62D 6/10 - Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to input torque characterised by the means for sensing torque
93.
ELECTROMECHANICAL STEERING DEVICE HAVING A TOOTHED WHEEL, AND METHOD FOR PRODUCING A TOOTHED WHEEL
The invention relates to a toothed wheel and a method for producing said toothed wheel. The toothed wheel (10) comprises an inner part (12), a connecting part (14) and teeth, wherein every tooth has a tooth body (20) and tooth faces (18), the tooth body (20) being formed by the connecting part (14) and the tooth faces (18) being formed by an additional tooth covering (16).
A method and a system for producing a plastic housing are presented. In a first step, a base body and at least one closure element are produced, and in a second step an elastomer layer is applied by way of at least one gate point using a gating process, the layer joining the base body and the at least one closure element to each other.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
F16J 13/08 - Detachable closure membersMeans for tightening closures attached by one or more members actuated to project behind a part or parts of the frame
F16J 15/06 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
F16J 15/14 - Sealings between relatively-stationary surfaces by means of granular or plastic material, or fluid
B29C 45/16 - Making multilayered or multicoloured articles
B29K 83/00 - Use of polymers having silicon, with or without sulfur, nitrogen, oxygen or carbon only, in the main chain, as moulding material
B29L 31/30 - Vehicles, e.g. ships or aircraft, or body parts thereof
95.
ELECTROMECHANICAL STEERING DEVICE WITH A GEARWHEEL
The invention relates to a gearwheel (10) comprising an inner part (12), an outer part (16) which supports teeth (18) of the toothed wheel on the periphery, and a connecting part (14). Said connecting part connects the inner part to the outer part. According to the invention, the connecting part surrounds, at least in sections, the teeth of the outer part in the region of at least the end face.
The invention relates to a gearwheel comprising an inner part (12), an outer part (16) which supports teeth (18) of the toothed wheel on the periphery, and a connecting part (14). Said connecting part connects the inner part to the outer part. According to the invention, the outer part has several parts with at least two outer part elements.
The invention relates to a fault-tolerant drive (20), which consists of a plurality of partial drives and which is characterized in that a design of the contacting between a machine (20, 30, 40, 50, 60) and an ECU (21) is formed by six individual contacts (35, 45, 55, 65), which are arranged in such a way that the individual contacts are offset from each other by an angle of 60°. The fault-tolerant drive (20) can be used, for example, as part of an electrical steering system for a motor vehicle.
The invention relates to a steering gear housing (10) comprising a steering box (12) and a plastic housing (22). Said plastic housing (22) comprises a base body (20) which is made from plastic, on which an elastomer layer is applied, to which the at least one closure element (14) is placed. A pressure compensating element closes an opening (21) in the plastic housing.
A housing for a steering gear and a plastic housing, wherein the plastic housing comprises a base body made of a plastic material, and elastomer layer and at least one closure element.
Described is a method for operating a steering system (4) in a motor vehicle, said steering system (4) comprising an electric drive unit (15) for boosting the steering force. The electric drive unit (15) is operated using software. When the software is restarted, the drive unit (15) is operated in such a way that a torque introduced into the drive unit (15) is damped.
patents
