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公开(公告)号：US20230119092A1
公开(公告)日：2023-04-20
申请号：US17802713
申请日：2020-11-04
发明人： Daniel KREUTZ , Andreas WILLI
摘要： A steering column for a motor vehicle may include an actuating unit in which a steering spindle is rotatably mounted and which is held in an adjustable manner by a supporting unit, an adjustment device for adjusting the actuating unit with respect to the supporting unit, and a position-sensing device that includes a first sensor unit for sensing the position of the actuating unit with respect to the supporting unit. The position-sensing device may also include a second sensor unit for sensing a state when the actuating unit is in a predetermined position relative to the supporting unit. One or both of the sensor units may be configured to operate in a contactless manner.
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公开(公告)号：US11591013B2
公开(公告)日：2023-02-28
申请号：US16634034
申请日：2018-08-01
发明人： Peter Knoll , Manuel Knecht
摘要： An electromechanical power steering unit for a motor vehicle includes an integral component having a torque sensor unit, which detects the rotation of the upper steering shaft relative to the lower steering shaft. The torque sensor unit includes a ring magnet rotationally fixed to the upper steering shaft and a magnetic flux guide connected to the lower steering shaft. A magnet sensor detects the rotation of the shaft connected to the ring magnet with respect to the lower shaft connected to the magnetic flux guide and the ring magnet is carried by a ring magnet sleeve, which sits on the upper steering shaft and is made from a thermoplastic material and is molded by way of ultrasound forming in the upper steering shaft in one region for mounting on the upper steering shaft.
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公开(公告)号：US20230040044A1
公开(公告)日：2023-02-09
申请号：US17969007
申请日：2022-10-19
发明人： Pèter KAKAS , Yosuke OJIMA , Yuya TANNO , Takaya YAMAGUCHI , Munetsugu HANJI
IPC分类号： B62D5/04
摘要： A steer-by-wire steering system for a motor vehicle or a steering system for an autonomous driving motor vehicle includes a controller configured or programmed to control steering of steerable road wheels depending on a driver's input or an input of an autonomous driving unit and to include a normal mode of operation with full steering functionality and no quality problems, and at least two degraded modes with degraded operation of the steering system. The steering system includes an evaluator to evaluate a state of performance degradation of the steering system and to set the operation mode of the controller based on an evaluation result from the evaluator.
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公开(公告)号：US20220371652A1
公开(公告)日：2022-11-24
申请号：US17439717
申请日：2021-02-10
发明人： Dirk MÖLLER
IPC分类号： B62D5/04 , F16H55/24 , F16H57/021
摘要： A bearing arrangement may be used to mount a worm shaft meshing with a worm wheel in a housing of an electromechanical power steering system. The bearing arrangement comprises a first rotary bearing, a second rotary bearing, and a pivoting ring. The first rotary bearing is configured to permit a pivoting movement of the worm shaft. The pivoting ring comprises a first pivoting ring component and a second pivoting ring component and is configured to act resiliently between the second rotary bearing and the housing. The second rotary bearing is at least partially arranged between the first pivoting ring component and the second pivoting ring component. The first pivoting ring component has two first points, with respect to which the first pivoting ring component is configured resiliently. The second pivoting ring component has two second points, with respect to which the second pivoting ring component is configured resiliently.
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公开(公告)号：US11479290B2
公开(公告)日：2022-10-25
申请号：US16962266
申请日：2019-01-30
发明人： Robert Galehr , Arne Schacht
IPC分类号： B62D5/00
摘要： A steering system for motor vehicles, including a steering actuator which acts on the steered wheels, is electronically controlled based on a steering request and acts on the steered wheels via a steering gear, and an actuator device which transmits reactions to a steering shaft connected to the steering wheel. The steer-by-wire steering system has a holding brake which can be activated electrically and has two positions; a holding position and an open position. The holding brake is configured to block rotation of the steering shaft in the holding position when a predefined rotational angle of the steering shaft is exceeded, and to release rotation of the steering shaft in the open position.
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116.发明授权公开(公告)号：US11459022B2
公开(公告)日：2022-10-04
申请号：US16325131
申请日：2017-08-10
发明人： Ulrich Schlegel , Michael Dona
IPC分类号： F16C19/16 , B62D5/04 , F16C33/58 , F16C35/077
摘要： A rolling bearing for mounting a driving worm of a power-assisted steering system of a vehicle includes a rotatable inner ring and a rotationally fixed outer ring. Rolling elements arranged between the inner and outer ring are guided by a channel-shaped first raceway arranged on a radially outer side of the inner ring and by a channel-shaped second raceway arranged on a radially inner side of the outer ring. The second raceway includes a cross-sectional profile that varies around its circumference. The cross-sectional profile allows laterally offset rolling elements to roll and thus tilting of the inner ring about a tilting axis orthogonal to the axis of rotation of the rolling bearing if the tilting axis assumes a predetermined tilted position in the circumferential direction of the second raceway and limits tilting of the inner ring to a minimum when the tilting axis is angled 90° to the tilted position.
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公开(公告)号：US20220281510A1
公开(公告)日：2022-09-08
申请号：US17625595
申请日：2020-07-07
发明人： Gerald REITER
摘要： A steering column may include a steering shaft that is mounted so as to be rotatable about its longitudinal axis relative to a steering column housing and a revolution limiter to limit rotation of the steering shaft. The revolution limiter has a winding core that is connected fixedly to the steering shaft for conjoint rotation therewith. A strap element may be attached to both the winding core and the steering column housing. The strap element may be elongate, may be deformable flexibly transversely with respect to its longitudinal extent, and may have a strap section that can be wound on the winding core in a winding direction around the longitudinal axis. To decrease complexity and to facilitate compactness, the winding direction of the strap section is reversible.
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118.发明申请公开(公告)号：US20220169301A1
公开(公告)日：2022-06-02
申请号：US17673871
申请日：2022-02-17
发明人： Kristof POLMANS , Imre SZEPESSY , Yoshinobu WATANABE , Hayato MIYAKAWA , Yosuke OJIMA , Munetsugu HANJI
IPC分类号： B62D5/00 , B60R25/021 , B60R25/0215 , B60R25/20
摘要： In a steer-by-wire steering system of a motor vehicle including a feedback actuator to simulate a steering feel to a steering device and including an electric motor with a motor shaft connected to a steering shaft to transmit a torque, and a steering lock including a latch connected to the steering shaft in a torsion-resistant manner and a lock to engage with the latch at locking positions to block a rotation of the steering shaft, a method for controlling steering locking of the steer-by-wire steering system includes, if an ignition is switched-off and a movement of the steering device is detected, determining a position of the steering shaft and a distance between the lock and a next locking position of the latch in a direction of the movement of the steering device, and if the distance is greater than a predefined value, transmitting a counter-torque to the steering shaft by the feedback-actuator in a direction opposite direction to the movement of the steering device until the locking position reaches the lock and the lock can engage with the latch.
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公开(公告)号：US11338843B2
公开(公告)日：2022-05-24
申请号：US16768727
申请日：2018-12-18
发明人： Manuel Peter , Gernot Ernstson , Philipp Gottwald
摘要： A worm gear for a worm gear system of a motor vehicle steering device may include a hub, a support element, and a gear rim. The gear rim may have a multiplicity of teeth that extend radially outward from a central encircling annular web. The support element may be a support ring that by means of an injection-molding method is injected between the gear rim and the hub. The support element may connect in a form-fitting manner the hub and the gear rim. The gear rim may include reinforcement ribs that, on both end sides, from the teeth extend radially in a direction of a worm gear longitudinal axis.
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公开(公告)号：US20220158478A1
公开(公告)日：2022-05-19
申请号：US17436235
申请日：2020-03-02
发明人： Adam NEVERI
摘要： 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.
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