Patents Assigned to Robert Bosch Automotive Steering GmbH
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Patent number: 10315687Abstract: 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 tType: GrantFiled: April 7, 2015Date of Patent: June 11, 2019Assignee: Robert Bosch Automotive Steering GmbHInventors: Dennis Fuechsel, Ekkehard Kneer, Jens Hafermalz, Marco Grau
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Patent number: 10315690Abstract: 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.Type: GrantFiled: September 5, 2016Date of Patent: June 11, 2019Assignees: Robert Bosch Automotive Steering GmbH, Robert Bosch GmbHInventors: Stefan Saur, Malte Elzmann
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Publication number: 20190106147Abstract: A method for operating a steering system of a motor vehicle with a power steering system for introducing an assist torque into a steering gearbox includes operating at least two electromechanical actuators on a common vehicle electrical system or on different vehicle electrical systems. The method further includes determining an overvoltage of the vehicle electrical system. The method further includes determining a respective setpoint assist torque of the at least two electromechanical actuators such that the overvoltage of the vehicle electrical system is reduced.Type: ApplicationFiled: September 26, 2016Publication date: April 11, 2019Applicant: Robert Bosch Automotive Steering GmbHInventors: Philipp Schreiner, Eugen Sworowski
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Patent number: 10220876Abstract: 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.Type: GrantFiled: May 7, 2015Date of Patent: March 5, 2019Assignee: Robert Bosch Automotive Steering GmbHInventors: Jochen Krieger, Michael Hauck, Konstantin Auns, Andreas Ritter
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Publication number: 20180370563Abstract: 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.Type: ApplicationFiled: December 2, 2016Publication date: December 27, 2018Applicant: Robert Bosch Automotive Steering GmbHInventors: Rainer Schaenzel, Gerd Speidel, Thomas Alber, Michael Sturm
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Patent number: 10125764Abstract: 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).Type: GrantFiled: February 17, 2015Date of Patent: November 13, 2018Assignee: Robert Bosch Automotive Steering GmbHInventors: Johannes Burdiak, Richard Vogt, Uwe Zellner
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Patent number: 10112644Abstract: 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.Type: GrantFiled: January 14, 2015Date of Patent: October 30, 2018Assignee: Robert Bosch Automotive Steering GmbHInventors: Markus Weber, Timo Irtenkauf
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Patent number: 9988085Abstract: 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 (?2) 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).Type: GrantFiled: April 8, 2015Date of Patent: June 5, 2018Assignee: Robert Bosch Automotive Steering GmbHInventors: Roland Greul, Nicolas Boos
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Patent number: 9962875Abstract: 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.Type: GrantFiled: October 25, 2013Date of Patent: May 8, 2018Assignee: Robert Bosch Automotive Steering GmbHInventors: Dennis Fuechsel, Jens Hafermalz
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Patent number: 9915340Abstract: 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.Type: GrantFiled: October 25, 2013Date of Patent: March 13, 2018Assignee: Robert Bosch Automotive Steering GmbHInventors: Dennis Fuechsel, Jens Hafermalz
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Patent number: 9815492Abstract: 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.Type: GrantFiled: May 21, 2015Date of Patent: November 14, 2017Assignee: Robert Bosch Automotive Steering GmbHInventor: Nicolas Boos
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Publication number: 20170320520Abstract: 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 (?2) 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).Type: ApplicationFiled: April 8, 2015Publication date: November 9, 2017Applicant: Robert Bosch Automotive Steering GmbHInventors: Roland Greul, Nicolas Boos
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Patent number: 9776655Abstract: 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.Type: GrantFiled: September 17, 2014Date of Patent: October 3, 2017Assignee: Robert Bosch Automotive Steering GmbHInventors: Stephen Noll, Frederik Schubert, Albert Neufeld
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Patent number: 9731753Abstract: 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.Type: GrantFiled: October 22, 2013Date of Patent: August 15, 2017Assignee: ROBERT BOSCH AUTOMOTIVE STEERING GMBHInventors: Michael Haegele, Helmut Bareis, Daniel Forster
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Patent number: 9732861Abstract: A valve for controlling a fluid flow comprising: an inner sleeve having a control surface and a middle sleeve, wherein a first movement of the inner sleeve with respect to the middle sleeve can be carried out, wherein the valve comprises a control piston, wherein the first movement prompts a second movement of the control piston, whereby the valve is moved into a switched state.Type: GrantFiled: May 19, 2014Date of Patent: August 15, 2017Assignee: ROBERT BOSCH AUTOMOTIVE STEERING GMBHInventors: Martin Maier, Markus Rief, Werner Bernhard
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Patent number: 9587723Abstract: A device for pressing a first transmission element onto a second transmission element engaging in the first transmission element for a rack-and-pinion steering system of a motor vehicle. A pressure piece that can be loaded in the direction of the first transmission element by at least one spring element is displaceably guided in a housing. The spring element is produced from at least one dilatant elastomer.Type: GrantFiled: January 31, 2013Date of Patent: March 7, 2017Assignee: Robert Bosch Automotive Steering GmbHInventors: Gerd Speidel, Rainer Schaenzel, Thomas Alber
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Patent number: 9555829Abstract: Provided is a method for operating a power steering system and to such a power steering system. A motor torque is computed by an electronic processor and is established by suitable motor actuation, wherein a plausibility check of the computed motor torque is carried out, taking a measured manual torque into consideration. A value of the additional torques of at least one special function is further considered in the plausibility check.Type: GrantFiled: May 9, 2013Date of Patent: January 31, 2017Assignee: Robert Bosch Automotive Steering GmbHInventor: Michael Sprinzl
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Patent number: 9545947Abstract: A method for implementing a transition from a functioning steering assistance system to a deactivated steering assistance system when a fault occurs, comprising the following steps: establishing the fault of the steering assistance system; establishing that all high-side power switches are functional (first case), or establishing that all low-side power switches are functional (second case); and in the first case: opening all high-side power switches and performing PWM-like control of the low-side power switches; or in the second case: opening all low-side power switches and performing PWM-like control of the high-side power switches.Type: GrantFiled: March 24, 2014Date of Patent: January 17, 2017Assignee: Robert Bosch Automotive Steering GmbHInventor: Markus Weber
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Patent number: 9534630Abstract: 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.Type: GrantFiled: April 2, 2014Date of Patent: January 3, 2017Assignee: Robert Bosch Automotive Steering GmbHInventors: Jens Hafermalz, Dennis Fuechsel
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Patent number: 9513631Abstract: A method for remotely controlling a motor vehicle, wherein the motor vehicle comprises a steering system and a drive train, which can both be electronically actuated by control means of the motor vehicle and by way of which the motor vehicle can be driven automatically. The control means of the motor vehicle have a wireless communication link to the touchscreen device so that automatic driving of the motor vehicle can be remotely controlled by way of the touchscreen device.Type: GrantFiled: January 12, 2015Date of Patent: December 6, 2016Assignee: Robert Bosch Automotive Steering GmbHInventors: Nicolas Boos, Joerg Strecker