Patents Assigned to Robert Bosch Automotive Steering GmbH
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Patent number: 9488219Abstract: A floating bearing for a steering gear, having an inner ring for receiving a pinion shaft of the steering gear and having an outer ring which surrounds the inner ring and which serves for the mounting of the floating bearing in a housing of the steering gear, wherein the outer ring and the inner ring form an annular gap between them and wherein the outer ring and the inner ring are connected to one another by means of at least one flexible connecting part such that said outer ring and inner ring are movable relative to one another in at least one radial direction, is characterized in that the outer ring and/or the inner ring form, within the connecting part, at least one projection which projects into the annular gap such that the spacing between the outer ring and inner ring is smaller in the region of the projection than in the remaining section of the annular gap.Type: GrantFiled: April 5, 2013Date of Patent: November 8, 2016Assignee: Robert Bosch Automotive Steering GmbHInventors: Dennis Fuechsel, Jens Hafermalz
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Patent number: 9452778Abstract: A method for determining a desired preset value (YMSM) for a motor torque of an electric servomotor in a power assisted steering system for a motor vehicle, wherein the desired preset value is determined using a motor torque servo control component (MVSK) which forms a controlled section, and using a motor torque regulator component (MRK) which forms a regulated section, wherein the regulating variable is a torsion bar torque (MDS), the two motor torque components being functionally offset against one another in order to determine therefrom the desired preset value (YMSM) for the motor torque (MSM) of the servomotor (SM).Type: GrantFiled: August 1, 2013Date of Patent: September 27, 2016Assignee: Robert Bosch Automotive Steering GmbHInventor: Arnulf Heilig
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Patent number: 9346484Abstract: In a device for releasing a securing screw for a unit in a housing, in particular a pinion unit in a steering gear of a motor vehicle, the securing screw is connected via an external thread to an internal thread in the housing, wherein the securing screw is provided with a latching device, which has latching levers disposed distributed on the circumference of the securing screw, each of which said latching levers is provided with latching lugs disposed on the free ends of the latching levers. The latching lugs latch into teething gaps of a teething geometry of the housing. The latching devices can be connected to a tool in order to release the latching levers having the latching lugs from the latched position by means of a radially inwardly directed movement of the latching levers.Type: GrantFiled: July 11, 2012Date of Patent: May 24, 2016Assignee: Robert Bosch Automotive Steering GmbHInventors: Andreas Raab, Andreas Stahl
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Publication number: 20160097424Abstract: 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: ApplicationFiled: April 2, 2014Publication date: April 7, 2016Applicant: Robert Bosch Automotive Steering GMBHInventors: Jens HAFERMALZ, Dennis FUECHSEL
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Patent number: 9274522Abstract: A method for remotely controlling a big rig comprises a tractor unit and one or more trailers coupled to the tractor unit, wherein the tractor unit comprises a drive train which can be electronically actuated by the control of the tractor unit and by way of which the tractor unit can be driven automatically. The control of the tractor unit have a wireless communication link to a touchscreen device so that automatic driving of the big rig can be remotely controlled by way of the touchscreen device during which at least one articulation angle between a longitudinal axis of the tractor unit and a longitudinal axis of the trailer is continuously regulated.Type: GrantFiled: May 28, 2014Date of Patent: March 1, 2016Assignee: Robert Bosch Automotive Steering GmbHInventors: Nicolas Boos, Roland Greul, Alexander Gaedke
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Patent number: 9272732Abstract: A method for determining a rack force for a steering apparatus of a vehicle, in which the rack force is determined as a function of a steering angle variable which characterizes an actual wheel steering angle or a set point of the wheel steering angle. In order to specify a method for determining a rack force, with which a target steering torque can be generated such that a comfortable steering feel is imparted to the driver and the steering apparatus nevertheless gives the driver feedback that is as realistic as possible regarding the motion state of the vehicle, the method comprises: determining a variable which characterizes a lateral force on a shaft of the steering apparatus, and determining the rack force as a function of the lateral force, wherein the determination of the rack force comprises a filtering by means of a signal processing element having a proportional-differential transfer function.Type: GrantFiled: September 10, 2012Date of Patent: March 1, 2016Assignee: Robert Bosch Automotive Steering GmbHInventors: Roland Greul, Thomas Werner, Joerg Strecker
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Patent number: 9221492Abstract: A computer and function architecture for operating an electrical power-assisted steering system, comprises a control path and a monitoring path that has a diverse design in relation thereto and which are processed basically parallel to each other in each case on two associated cores of a redundant microcomputer, and arithmetic differences that occur within the control path or the monitoring path are detected at the functional level by way of a comparator, and the results of individual computing steps are detected at the granular level by way of a core comparator, and as a result of a detected difference of the comparator at the functional level, a transition is made into an emergency operating mode in the event that the core comparator has not diagnosed an arithmetic error, so as to ensure further availability of at least some of the steering assistance function or of the steering functions over at least a certain time period.Type: GrantFiled: June 28, 2012Date of Patent: December 29, 2015Assignee: Robert Bosch Automotive Steering GmbHInventor: Peter Brenner
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Patent number: 9216760Abstract: A steering gear having a gearwheel, having a pinion which meshes with said gearwheel and having a pinion shaft which comprises the pinion and winch is mounted so as to be pivotable about a pivot axis perpendicular to the longitudinal axis of the pinion shaft wherein the radial spacing between the pivot axis and the location of toothed engagement between the gearwheel and pinion is smaller than the core radius of the pinion.Type: GrantFiled: April 5, 2013Date of Patent: December 22, 2015Assignee: Robert Bosch Automotive Steering GmbHInventors: Jens Hafermalz, Dennis Fuechsel
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Patent number: 9174664Abstract: An operating device for steering a vehicle, in particular a motor vehicle, and a method for steering the vehicle by way of the operating device. The operating device comprises a control stick, in particular for operation by a human hand. The control stick has at least one degree of freedom. A steering angle can be specified by way of the control stick. The operating device comprises a control element. The specifiable steering angle can be determined as a function of a state of the control stick and as a function of a state of the control element.Type: GrantFiled: October 24, 2013Date of Patent: November 3, 2015Assignee: Robert Bosch Automotive Steering GmbHInventor: Alexander Gaedke
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Patent number: 9174673Abstract: A method for determining a steering rack force (FR) for a steering system of a vehicle, in which a first steering rack force (RFD) is ascertained as a function of at least one force that occurs in the steering system or at least one torque (tor_RA) that occurs in the steering system. So as to provide less strong feedback on the force conditions in the steering system for reasons of driving comfort, in particular when this is currently not required, it is proposed to ascertain a second steering rack force (RFC) as a function of at least one vehicle variable (v, ang_RA), which characterizes the state of movement of the vehicle, and to generate a resulting steering rack force (FR) based on the first steering rack force (RFD) and the second steering rack force (RFC).Type: GrantFiled: July 16, 2012Date of Patent: November 3, 2015Assignee: Robert Bosch Automotive Steering GmbHInventors: Joerg Strecker, Thomas Werner
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Publication number: 20150273748Abstract: 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: ApplicationFiled: October 25, 2013Publication date: October 1, 2015Applicant: ROBERT BOSCH AUTOMOTIVE STEERING GMBHInventors: Dennis Fuechsel, Jens Hafermalz
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Patent number: 9148079Abstract: A method for operating an electric motor which is used as an electric servo drive in an electronic power steering system of a motor vehicle for power assistance and which has a number of magnetic elements and phase windings and is actuated and/or controlled by an electronic control unit of the electronic power steering system, wherein a temperature of at least one magnetic element of the electric motor is continuously determined during the operation of the electric motor by way of a temperature model and wherein, based on the temperature of the at least one magnetic element of the electric motor determined by way of the temperature model, an electrical current flowing in at least one of the phase windings of the electric motor is limited, taking into account a predeterminable limit temperature of the at least one magnetic element of the electric motor.Type: GrantFiled: December 30, 2013Date of Patent: September 29, 2015Assignee: Robert Bosch Automotive Steering GmbHInventors: Thomas Kuehnhoefer, Alexander Krautstrunk
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Patent number: 9126623Abstract: A steering shaft for a steering system of a motor vehicle, comprises an inner shaft mounted axially displaceably in a hollow shaft, wherein a rolling bearing having multiple metallic rolling elements, which are disposed axially in at least two rows, is disposed between the hollow shaft and the inner shaft. Previously known steering shafts cannot reliably present vibrations from being transmitted from the inner shaft to the hollow shaft. Therefore, the diameters of the metallic rolling elements decreases proceeding from the center of the rolling bearing toward the end faces thereof, wherein multiple mutually adjacent metallic rolling elements have identical and/or different diameters.Type: GrantFiled: June 14, 2012Date of Patent: September 8, 2015Assignee: Robert Bosch Automotive Steering GmbHInventors: Joachim Linde, Jutta Fuchs
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Patent number: 9102352Abstract: In an electric steering device, a plurality of periodic disturbances (M(f1o), M(f2o), . . . M(fno)) can occur which are to be compensated, while additionally occurring, in particular non-periodic, disturbances (Mstoer) are not to be compensated. So as to enable simultaneous compensation of a plurality of such periodic disturbances based on a model (Gnom(s)) of the steering device, it is proposed to map the further disturbances Mstoer occurring in addition to the disturbances M(f1o), M(f2o), (Mfno) to be compensated, together with inaccuracies or modeling errors (?s) of the model (Gnom(s)) in the form of an unstructured disturbance (Mstoer).Type: GrantFiled: June 23, 2014Date of Patent: August 11, 2015Assignee: Robert Bosch Automotive Steering GmbHInventors: Thomas Nierobisch, Stefan Gruener, Tomas Hrycej
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Patent number: 9086090Abstract: A device for securing a unit in a housing, in particular for securing a fixed bearing of a pinion in a steering gear of a motor vehicle, comprises a securing element which is inserted into a bore in the housing. The securing element is provided with at least one latching lever, wherein the at least one latching lever latches into toothing gaps of a toothing geometry in the bore of the housing via a latching lug disposed at the free end of the latching lever, or wherein at least one latching lug is disposed in the bore, which latches into toothing gaps of a toothing geometry in the securing element.Type: GrantFiled: July 11, 2012Date of Patent: July 21, 2015Assignee: Robert Bosch Automotive Steering GmbHInventors: Jochen Schmid, Richard Kaisser, Juergen Bieber, Rainer Schaenzel
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Patent number: 9080646Abstract: A helical gear mechanism for a steering system in a motor vehicle comprises a helical pinion which engages with a helical gear and a bearing bushing which accommodates a bearing of the helical pinion. An inner ring of the bearing bushing is connected to an outer ring via a pivot bearing so that a pivoting motion of the helical pinion relative to the helical gear is possible. A pressure piece is disposed between the inner ring and the outer ring of the bearing bushing. The pressure piece is movable in a spring-loaded manner in a section of an annular gap between the inner ring and the outer ring. The inner ring and/or the outer ring are designed in the section so that the annular gap between the inner ring and the outer ring is tapered in the direction in which the pressure piece can be moved in a spring-loaded manner.Type: GrantFiled: September 14, 2012Date of Patent: July 14, 2015Assignee: Robert Bosch Automotive Steering GmbHInventors: Dennis Fuechsel, Ekkehard Kneer, Jens Hafermalz, Arne Kuhlen, Marco Grau