Patents Assigned to ThyssenKrupp Presta AG
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Patent number: 11909254Abstract: A motor vehicle control device may have a switch-on and switch-off function for at least one electrical load to be controlled by the motor vehicle control device. The motor vehicle control device may include an electronic switching element for arrangement in a supply voltage path of the electrical load and a control unit for controlling the electronic switching element. The control unit is designed to provide a control signal for switching the electronic switching element based on at least one input signal. The control unit may include a resistor connected to the supply voltage path and a current control means connected in series therewith for generating a predefinable voltage difference at the resistor as the control signal for the electronic switching element.Type: GrantFiled: March 2, 2020Date of Patent: February 20, 2024Assignees: thyssenkrupp Presta AG, thyssenkrupp AGInventor: Adam Neveri
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Publication number: 20240034390Abstract: The present disclosure relates to an electrically adjustable steering column for a motor vehicle, comprising a positioning unit on which a steering control element can be arranged, a support unit by which the positioning unit is held in an adjustable manner, an adjustment device which is configured to adjust the positioning unit relative to the support unit and which comprises, for the adjustment of the positioning unit, an electric motor. The steering column further has a control unit, wherein the control unit is configured to activate the electric motor. The control unit is further configured, for the activation of the electric motor, to generate a first signal and a second signal, wherein the activation of the electric motor requires the presence of the first signal and of the second signal, in particular at a first switch unit and a second switch unit of the control unit which are connected in series with the electric motor.Type: ApplicationFiled: December 6, 2021Publication date: February 1, 2024Applicants: thyssenkrupp Presta AG, thyssenkrupp AGInventors: Daniel KREUTZ, Andreas WILLI
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Publication number: 20240025469Abstract: The present disclosure relates to an adjustable steering column for a motor vehicle, comprising a support unit by which a positioning unit is adjustably held, and an adjustment device which is designed to adjust the positioning unit relative to the support unit. Associated with the steering column is a control unit which is designed to receive a signal, to evaluate the signal in terms of a predefined release condition, and to produce a release state of the steering column when the signal meets the release condition, and to produce a locked state of the steering column when the signal does not meet the release condition. Adjustment of the positioning unit is thus enabled exclusively in the release state.Type: ApplicationFiled: December 6, 2021Publication date: January 25, 2024Applicants: thyssenkrupp Presta AG, thyssenkrupp AGInventors: Christian PICHONNAT, Andreas WILLI
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Publication number: 20240017734Abstract: The present disclosure relates to a method for operating an operating system (1.1, 1.2, 1.3) of a motor vehicle, in which a control command (M1) for controlling the motor vehicle is specified via a control element (3.1, 3.2, 3.3), the control command (M1) specified via the control element (3.1, 3.2, 3.3) is sensorially acquired and passed on from an electronic control unit (4) to an electromechanical actuator unit (5.1, 5.2, 5.3) as a control signal, wherein the actuator unit (5.1, 5.2, 5.3) implements the control command (M1) according to the control signal. The operating system (1.1, 1.2, 1.3) is monitored here for an occurrence of a deviation from a target behaviour of the actuator unit (5.1, 5.2, 5.3), wherein tactile feedback is applied to the control element (3.1, 3.2, 3.3) if a deviation is detected.Type: ApplicationFiled: July 12, 2023Publication date: January 18, 2024Applicants: thyssenkrupp Presta AG, thyssenkrupp AGInventors: Robin MALSAM, Andras CSABA, Leonard LAPIS, Kristof POLMANS
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Patent number: 11873036Abstract: A helical gear transmission for an electromechanical servo steering mechanism may include a shaft that meshes with a helical gear. The shaft may be arranged in a transmission housing and, at its first end, may be mounted in a drive-side bearing arrangement so as to be rotatable about an axis of rotation. At its second end, the shaft may be mounted in a drive-remote bearing arrangement in the transmission housing. The drive-side bearing arrangement may have a rolling bearing, an outer ring of which is spherical. The rolling bearing may be enclosed by two bearing shells. The outer side of the outer ring may have two flat points that are opposite one another and form a pivot axis about which the shaft is pivotable in a direction of the helical gear.Type: GrantFiled: March 5, 2019Date of Patent: January 16, 2024Assignees: thyssenkrupp Presta AG, thyssenkrupp AGInventors: Johannes Braun, Deniz Ilhan, Hans-Peter Studer
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Patent number: 11873021Abstract: A steering column may include a casing unit in which a steering spindle is mounted rotatably about a longitudinal axis extending in a longitudinal direction, and casing tubes that are adjustable telescopically relative to one another in the longitudinal direction. A roller guide with at least one bearing support can be displaced radially on a first of the casing tubes, and in which at least one roller is mounted rotatably about a roller axis that is transverse to the longitudinal axis. The roller can roll via its outer circumference in the longitudinal direction on a second of the casing tubes. A pretensioning device interacts with the bearing support to pretension the roller against the second casing tube. The bearing support may be guided on the first casing tube with an oblique inclination relative to the longitudinal axis, and the pretensioning device may apply an axial force to the bearing support.Type: GrantFiled: January 27, 2023Date of Patent: January 16, 2024Assignees: thyssenkrupp Presta AG, thyssenkrupp AGInventor: Thomas Raich
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Patent number: 11873038Abstract: An electromechanical power steering system may include an electric servomotor that has a motor shaft and drives a shaft that meshes with a helical gear. The shaft is disposed in a gearbox housing and rotatably mounted in a bearing assembly. A pretensioning installation, for adjusting engagement between the helical gear and the shaft, resiliently pretensions a movable bearing element of the bearing assembly relative to the gearbox housing. The gearbox housing has a housing portion having first and second contact faces, the normals of which do not intersect. The bearing assembly has a bearing support that forms the movable bearing element and has a lever arm having a free end that extends from a main body of the bearing support and on the gearbox housing lies against the second contact face. The main body has an eccentric cam that on the housing lies against the first contact face.Type: GrantFiled: July 7, 2020Date of Patent: January 16, 2024Assignees: thyssenkrupp Presta AG, thyssenkrupp AGInventor: Dirk Möller
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Patent number: 11866090Abstract: A steering column includes an outer jacket that is adjustably secured to a carrier unit and clamped to a telescopically adjustable inner jacket. The outer jacket has a tubular body with a clamping slot extending longitudinally. Opposing side plates disposed alongside the clamping slot extend longitudinally. The side plates are connected to the tubular body and each have a longitudinally-extending elongated hole spaced apart from the tubular body in an outer region that protrudes from the tubular body. A clamping bolt extends through the elongated holes and an opening of the carrier unit. The clamping bolt applies a clamping force to load the side plates. An inner region of each side plate is fixed to the tubular body. A support element is connected to each side plate between the elongated hole and the inner region and is connected to the tubular body in an edge region of the clamping slot.Type: GrantFiled: July 14, 2022Date of Patent: January 9, 2024Assignees: thyssenkrupp Presta AG, thyssenkrupp AGInventors: Robert Galehr, Balint Kalman Nagy
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Publication number: 20240001984Abstract: The present disclosure relates to a steering column for a motor vehicle, including an actuating unit. In order to render possible reduced friction and more flexible adaptation, the disclosure proposes that a stop body include a stop lever, which is mounted on the supporting unit rotatably about a lever axis (H) relative to the clamping shaft.Type: ApplicationFiled: June 27, 2023Publication date: January 4, 2024Applicants: thyssenkrupp Presta AG, thyssenkrupp AGInventors: Hieronymus SCHNITZER, Adam IGRAS
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Publication number: 20230373554Abstract: The disclosure includes a Steering column for a motor vehicle including at least two structural elements configured to be adjusted relative to each other and a linear adjustment drive configured to be adjusted in an adjustment direction in a motorised manner along an adjustment axis (S) configured to engage one of the at least two structural elements, and wherein an energy absorption device comprising an energy absorption element is arranged between the linear adjustment drive and at least one of the at least two structural elements. The energy absorption element includes an inner portion coaxial relative to the adjustment axis (S) and connected by an at least partially coaxially extending shaping portion in a sleeve-like manner to an outer portion of the energy absorption element which is arranged coaxially at the outer side thereof.Type: ApplicationFiled: May 18, 2023Publication date: November 23, 2023Applicants: thyssenkrupp Presta AG, thyssenkrupp AGInventors: Sebastian HUBER, Tim BAYER
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Patent number: 11820441Abstract: An electromechanical steering system may include a reduction gearbox where a worm gear is mounted in first and second bearings rotatably about a longitudinal axis. Rolling elements are disposed between inner and outer rings of the bearings. The inner rings are rotationally fixed on a shaft driven by the worm gear. A spring element is disposed between the inner ring of the second bearing and the worm gear. The spring element has an at least partially annular main body that when installed extends coaxially with the longitudinal axis. Spring arms in a circumferential direction are spaced apart from the longitudinal axis emanating from an external circumferential side of the main body. A first spring arm has a first leg that points away from the longitudinal axis and a second leg on which a free end is disposed, with the second leg running at least partially parallel to the longitudinal axis.Type: GrantFiled: October 16, 2019Date of Patent: November 21, 2023Assignees: thyssenkrupp Presta AG, thyssenkrupp AGInventors: Andreas Bachmann, Felix Burger, Martin Graf, Dirk Möller
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Publication number: 20230365182Abstract: A steering column for a motor vehicle including a first component, a second component, wherein the first component and the second component are adjustable relative to one another in two non-parallel adjustment directions. A position detection device having a sensor connected to the first component including at least one sensor unit and a sensor target connected to the second component comprising at least one target unit, wherein the sensor is configured to detect relative position of the sensor target, wherein the target unit includes a measurement portion extending in the two adjustment directions which has a local measuring quantity varying in each of the two adjustment directions that can be detected locally by the sensor unit.Type: ApplicationFiled: May 9, 2023Publication date: November 16, 2023Applicants: thyssenkrupp Presta AG, thyssenkrupp AGInventors: Andreas WILLI, Daniel KREUTZ, Simon BLAETTLER, Patrick RIEDMANN, Tamás FEJES
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Publication number: 20230365190Abstract: An electromechanical steering system includes a steering shaft by means of which a steering command can be specified by means of a steering handling device, a steering gear, which is designed to convert a steering command into a steering movement of steerable wheels of a motor vehicle, taking into account at least one input variable. A magnetic torque sensor device measures a torque applied to the steering shaft. The torque sensor device comprises a sensor for detecting an uncompensated measurement signal (T). The torque sensor device comprises a computing unit, which is designed to provide a first parameter and a second parameter for compensation of the uncompensated measurement signal (T) and to calculate a compensated measurement signal (T*) based on the uncompensated measurement signal (T) and the two parameters and to provide this compensated measurement signal (T) as the at least one input variable.Type: ApplicationFiled: September 24, 2021Publication date: November 16, 2023Applicants: thyssenkrupp Presta AG, thyssenkrupp AGInventor: Tivadar Kristóf TÓTH
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Publication number: 20230365183Abstract: A steering column for a motor vehicle comprises an actuating unit. A steering spindle is mounted rotatably about a longitudinal axis extending in the longitudinal direction. A supporting unit is connectable to a motor vehicle body and in which the actuating unit is held so as to be displaceable in the longitudinal direction. An energy absorption device, which is incorporated between the supporting unit and the actuating unit, has an elongate energy absorption element fastened to the actuating unit or to the supporting unit via a fastening. A deformation member, which interacts with the energy absorption element, is attached to the supporting unit or to the actuating unit. In the event of a crash with a relative displacement of actuating unit and supporting unit, the deformation member brings about an energy-absorbing plastic deformation of the energy absorption element.Type: ApplicationFiled: September 29, 2021Publication date: November 16, 2023Applicants: thyssenkrupp Presta AG, thyssenkrupp AGInventor: Thomas RAICH
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Patent number: 11813801Abstract: A method may produce an axially movable connection between two components with a plastic as a sliding material arranged therebetween. The method may involve providing the two components and either at least one of the two components has a plastic coating or a plastic sleeve is provided between the components, joining the two components to form a unit via a pressing force in an axial direction, clamping the unit in a device in which the two components are clampable and subjectable to a displacement force in the axial direction, pressing a sonotrode against an outer of the two components and bracing the outer component against a counter-holder, injecting an ultrasound signal into the sonotrode and moving the two components back and forth in the axial direction until a displacement force or a displacement velocity reaches a target, and ending the ultrasound signal and removing the unit from the device.Type: GrantFiled: September 27, 2018Date of Patent: November 14, 2023Assignees: thyssenkrupp Presta AG, thyssenkrupp AGInventor: Peter Hirschauer
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Publication number: 20230356770Abstract: A method of operating a steer-by-wire steering system of a motor vehicle to convert a steering command into a steering movement of steerable wheels of a motor vehicle is disclosed. The method includes sending a control signal to an electric motor of a steering actuator and converting the received control signal into a mechanical movement of the steering actuator by the electric motor, wherein the steering actuator acts on a coupling element, and wherein the electric motor is operated in a generator mode.Type: ApplicationFiled: May 4, 2023Publication date: November 9, 2023Applicants: thyssenkrupp Presta AG, thyssenkrupp AGInventors: Leonard LAPIS, Dominik LANG, Miklós ARÁNYI, Akos DOBCSANYI
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Patent number: 11807293Abstract: An adjustment drive for a steering column for a motor vehicle may include a housing that is able to be connected to the steering column, in which a gear wheel that is able to be rotatingly driven by a motor is mounted in a bearing assembly so as to be rotatable about a spindle axis, and on which a threaded spindle that engages in a spindle nut is axially supported in a direction of the spindle axis. To enable less complexity in manufacturing and assembling, an energy absorbing installation is disposed between the threaded spindle and the housing. When repositioning the threaded spindle relative to the housing in the direction of the spindle axis, the energy absorbing installation is configured to absorb kinetic energy.Type: GrantFiled: March 11, 2020Date of Patent: November 7, 2023Assignees: thyssenkrupp Presta AG, thyssenkrupp AGInventors: Sebastian Huber, Jean-Pierre Specht, Tim Bayer
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Patent number: 11807291Abstract: A method can be used to adapt a steering torque for controlling a feedback actuator of a steer-by-wire motor vehicle steering system. The method may involve providing a basic steering torque, providing a rack-force-based steering torque, determining a difference between the basic steering torque and the rack-force-based steering torque, and if the difference exceeds a predetermined limit value adapting the basic steering torque to the rack-force-based steering torque and transmitting a resulting steering torque to control the feedback actuator. However, if the difference remains below the predetermined limit value, then the method may involve transmitting the basic steering torque to control the feedback actuator.Type: GrantFiled: August 6, 2019Date of Patent: November 7, 2023Assignees: thyssenkrupp Presta AG, thyssenkrupp AGInventor: Manuel Rohrmoser
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Publication number: 20230294751Abstract: A steering column for a motor vehicle comprises a covering unit. A steering spindle is rotatably supported about a longitudinal axis which extends in a longitudinal direction. At least three covering elements can be displaced in a telescope-like manner in a longitudinal direction and which comprise at least one internal covering, an external covering and an intermediate element. A motorised displacement drive includes a first spindle drive arranged between the internal covering and the intermediate element and a second spindle drive arranged between the intermediate element and the external covering engages with the covering elements. The first spindle drive has a first threaded spindle which engages a first spindle nut and is selectively driven in rotation relative thereto by a drive unit. The second spindle drive has a second threaded spindle which engages a second spindle nut that can be driven in rotation relative thereto by the drive unit.Type: ApplicationFiled: March 14, 2023Publication date: September 21, 2023Applicants: thyssenkrupp Presta AG, thyssenkrupp AGInventors: Sebastian HUBER, Tim BAYER
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Patent number: 11760411Abstract: Methods for controlling a steer-by-wire steering system including a steering actuator controlled via a steering request and brings about movement of a steering rack to steer vehicle wheels. A feedback actuator transmits reactions of the road to a steering wheel via an aligning torque. A setpoint position of the steering rack is determined in a signal processing unit based on a steering wheel steering angle. The setpoint position is transmitted with an actual position of the steering rack or with a measured wheel steering angle as an actual value to a control unit which calculates a setpoint torque of an electric motor of the steering actuator. The method includes monitoring the power of the motor required to reach the determined setpoint position. When the required power exceeds the maximum power of the motor the motor is operated at maximum power torque present at the steering wheel is increased.Type: GrantFiled: January 15, 2019Date of Patent: September 19, 2023Assignees: THYSSENKRUPP PRESTA AG, THYSSENKRUPP AGInventors: Kristof Polmans, Manuel Rohrmoser