Patents Assigned to Lucas Automotive GmbH
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Patent number: 10479369Abstract: A method for use in a driving assistance system of a motor vehicle is provided. The method comprises receiving, by a driver attention module of the driving assistance system, information from at least one input source. The information comprises at least one indicator. The at least one indicator indicates a current attention of a driver of the motor vehicle. The method further comprises deciding, based on the current attention, whether the driving assistance system is to interfere in a current driving operation of the motor vehicle. The method further comprises triggering a signal, by the driver attention module, based on the decision. A driver attention module and a driving assistance system having the driver attention module and a driver fatigue module are further provided.Type: GrantFiled: November 28, 2017Date of Patent: November 19, 2019Assignee: LUCAS AUTOMOTIVE GMBHInventors: Georg Schneider, Sascha Heinrichs-Bartscher
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Publication number: 20190344762Abstract: The invention relates to a motor vehicle control unit. The control unit comprises a first processor system, which is designed to control an actuator of an electric parking brake and at least one additional motor vehicle function unit. A second processor system of the control unit is designed to control the at least one actuator in an at least partially redundant manner to the first processor system. Furthermore, there is a changeover device, which is designed to enable an activation of the at least one actuator either via the first processor system or the second processor system.Type: ApplicationFiled: December 12, 2017Publication date: November 14, 2019Applicant: Lucas Automotive GmbHInventors: Ingo Alfter, Stefan Grieser-Schmitz
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Patent number: 10473544Abstract: A device for measuring a fluid pressure and for verifying the fluid pressure that has been measured comprises a sensor element having a fluid chamber and an element that adjoins said fluid chamber and can be deformed under fluid pressure, a resistance bridge being arranged on the deformable element side that faces away from said fluid chamber, for the purpose of generating a transverse bridge voltage dependent on said fluid pressure. The device also comprises a voltage divider which is connected in parallel to said resistance bridge for generating a differential voltage.Type: GrantFiled: January 18, 2016Date of Patent: November 12, 2019Assignee: Lucas Automotive GmbHInventors: Karlheinz Schaust, Klaus Ullmer, Sven Michels
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Patent number: 10458805Abstract: Driver assistance in a motor vehicle using a navigation system and a road sign display system, wherein: the navigation system accesses map data representing road segments of a road network in the geographic proximity of the motor vehicle and road signs located on the road segments, determines and provides a current position of the motor vehicle located on a road segment, and provides first information of at least one road sign which is located on a road segment to be traveled by the motor vehicle based on the current position of the motor vehicle; the road sign display system detects, based on environment information in front of and/or sideways of the motor vehicle captured via a camera unit, at least one road sign in regard to its position at a road segment and/or its meaning, and provides this second information to the driver assistance system; and wherein the first and second information are compared with each other, and, if the first and second information do not coincide, the first information provided bType: GrantFiled: December 11, 2017Date of Patent: October 29, 2019Assignee: LUCAS AUTOMOTIVE GMBHInventor: Georg Schneider
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Patent number: 10458494Abstract: A vehicle disc brake assembly includes a brake caliper. The brake caliper has a lug through which a bore extends, the bore having an axis. A guide rod fastener extends through the bore and is secured to a guide rod. An elastic bushing is in the bore between the lug and the guide rod fastener, wherein a circumference of the bushing contacts the lug. A radial clearance is between the lug and the guide rod fastener. The radial clearance is perpendicular to the axis.Type: GrantFiled: April 25, 2018Date of Patent: October 29, 2019Assignees: Kelsey-Hayes Company, Lucas Automotive GmbHInventors: Kraig E. Gerber, Markus Mallmann
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Patent number: 10449938Abstract: An electrohydraulic vehicle brake system includes an electromechanical actuator for actuating at least one hydraulic piston to build hydraulic pressure at wheel brakes. The brake system provides a set of electrically activatable valve arrangements having a first valve arrangement between a cylinder accommodating the at least one hydraulic piston and each of the wheel brakes, and at least one second valve arrangement between a receptacle device for hydraulic fluid and at least one of the wheel brakes. The second valve arrangement is provided in parallel with the first valve arrangement which is associated with the same wheel brake as the second valve arrangement. A control device or system activates the first valve arrangements and the electromechanical actuator, in order to build up a hydraulic pressure at at least one of the wheel brakes and via the opened first valve arrangement associated with that wheel brake and to reduce a built-up hydraulic pressure via the opened first valve arrangement.Type: GrantFiled: August 20, 2014Date of Patent: October 22, 2019Assignee: Lucas Automotive GmbHInventors: Carsten Knechtges, Josef Knechtges, Andreas Passmann
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Publication number: 20190308597Abstract: The disclosure relates to a main brake cylinder arrangement for a motor vehicle brake system, comprising: at least one piston, which can be displaced along a displacement axis (V) and, together with a housing arrangement, delimits a pressure chamber; a force input member, which is displaceable according to a brake pedal actuation and is coupled or can be coupled to the piston for common displacement; an elongated position encoder element, which is displaceable according to an actuation of the force input member; a detection unit, which is designed to detect a displacement of the position encoder element; and a receiving region, which is designed to receive the position encoder element at least in part. The ends of the position encoder element are each arranged in a different housing region (F, S), which is arranged in a fluid path between the first and second housing region (F, S).Type: ApplicationFiled: November 24, 2017Publication date: October 10, 2019Applicant: Lucas Automotive GmbHInventor: Werner Seibert
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Patent number: 10421446Abstract: A spindle nut assembly for an electric parking brake has a spindle and a spindle nut. The spindle has a plurality of spindle stops and a plurality of external threads. The plurality of external threads has at least two threads. The spindle nut is operatively connected to the spindle, has a plurality of stop cams, and has a plurality of internal threads. At least one of the plurality of stop cams is engaged with at least one of the plurality of spindle stops when a first thread of the plurality of internal threads is started on any external thread of the plurality of external threads.Type: GrantFiled: March 10, 2016Date of Patent: September 24, 2019Assignees: Lucas Automotive GmbH, Kelsey-Hayes CompanyInventors: Michael Schaefer, Christian Dilla, Manuel Barbosa, David Kwierant
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Patent number: 10415660Abstract: A disc brake assembly includes a brake clip having a U-shaped section, at least one retention tang, and an abutment leg. The U-shaped section has a base leg and opposing upper and lower legs extending from the base leg. The upper leg has an inner face facing the lower leg. The at least one tang extends away from the U-shaped section and inner face. The abutment leg extends from the lower leg and has a midpoint between a top edge and a bottom edge. The midpoint is not planar with the top and bottom edges.Type: GrantFiled: December 8, 2016Date of Patent: September 17, 2019Assignees: Kelsey-Hayes Company, Lucas Automotive GmbHInventors: Manuel Barbosa, Kraig E. Gerber, Anthony Dixon, Frank Madzgalla, Juergen Korte, Tobias Lenarz, Raphael Mueller, Philip Kexel
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Patent number: 10410073Abstract: Driver assistance system of a motor vehicle, to be connected with a navigation unit and a camera unit; wherein the navigation unit is adapted to access map data representing road segments of a road network located in the geographic proximity of the motor vehicle and road signs located on the road segments, to determine a current position of the motor vehicle located on a road segment, and to provide first information of at least one road sign to the driver assistance system, which road sign is located on a position of a road segment to be traveled by the motor vehicle based on the current position of the motor vehicle. The driver assistance system is adapted to provide second information of the at least one road sign to the camera unit based on the first information provided by the navigation unit.Type: GrantFiled: December 11, 2017Date of Patent: September 10, 2019Assignee: LUCAS AUTOMOTIVE GMBHInventor: Georg Schneider
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Patent number: 10372135Abstract: Control system, which is adapted and determined for use in a motor vehicle to identify road boundaries and/or road markings based on environmental data obtained by at least one environmental sensor associated with the motor vehicle. The at least one environmental sensor is adapted to provide the environmental data, which reproduces the area in front of the motor vehicle, to an electronic control of the control system. The control system is at least adapted and determined to capture road boundaries and/or road markings with the at least one environmental sensor. A respective trajectory is determined from the captured road boundaries and/or road markings. Pairs are formed from the determined trajectories, wherein a pair comprises two trajectories respectively. Sampling points are determined at predetermined distances for each pair of first and second trajectories.Type: GrantFiled: July 26, 2017Date of Patent: August 6, 2019Assignee: LUCAS AUTOMOTIVE GMBHInventors: Bjoern Oska, Richard Altendorfer, Ning Zhu, Benedikt Joebgen
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Publication number: 20190225198Abstract: A method for operating a vehicle brake, wherein the vehicle brake comprises a service brake having an actuating piston, which can be moved into an actuation position in order to produce a braking force by the action of a hydraulic pressure, and wherein the vehicle brake also comprises a parking brake unit, which is designed to move over a first motion range without producing a braking force and is also designed to move over a second motion range, in which the parking brake unit is supported against the actuating piston and a braking force is thus changed, wherein the first and second motion ranges transition into each other at a support point, wherein the method is performed in the pressureless state or at a hydraulic pressure below a predefined threshold value and comprises the following steps: a) moving the parking brake unit from the first into the second motion range or vice versa; b) recording the curve of an operating parameter of the parking brake unit during step a); and c) determining the position ofType: ApplicationFiled: August 1, 2017Publication date: July 25, 2019Applicant: LUCAS AUTOMOTIVE GMBHInventors: Michael Bast, Benedikt Ohlig, Matthias Fuchs, Erwin Michels
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Publication number: 20190217836Abstract: A method for characterizing an electromechanical actuator unit for a vehicle brake, the electromechanical actuator unit comprising an electric motor and an actuator coupled to the electric motor. The actuator can be moved over a first area of movement without generation of a brake force and over a second area of movement with modification of a brake force. The method is carried out when the actuator moves within the first area of movement, and comprises the following steps: a) a voltage applied to the electric motor is interrupted, b) at least one parameter is determined while the electric motor runs in the generator mode, and c) at least one value is determined for a motor constant of the electric motor on the basis of the at least one parameter. The invention also relates to a vehicle brake, as well as to a computer program and a control unit for implementing the method.Type: ApplicationFiled: August 23, 2017Publication date: July 18, 2019Applicant: Lucas Automotive GmbHInventors: Michael Bast, Benedikt Ohlig, Steve Scherer, Thomas Puetz
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Patent number: 10351132Abstract: Provided is a control system for use in an own motor vehicle adapted to: detect a first other motor vehicle participating in traffic in front of the own motor vehicle and a second other motor vehicle in the rear of the own motor vehicle using at least one surroundings sensor; determine a current driving situation of the own motor vehicle with respect to the current driving situation of the first and second other motor vehicles based on the movements of the first and/or second other motor vehicles and the own motor vehicle; repeatedly determine a measure of a brake requirement in the form of, for example, a time until the beginning of a deceleration; and, provided that a necessity measure exceeds a predetermined threshold, trigger a deceleration of the own vehicle at a point in time which lies before the determined time until the beginning of a deceleration.Type: GrantFiled: November 28, 2017Date of Patent: July 16, 2019Assignee: LUCAS AUTOMOTIVE GMBHInventors: Georg Schneider, Sascha Heinrichs-Bartscher
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Publication number: 20190203784Abstract: A disc brake rotor for a disk brake assembly, which disk brake rotor comprises a friction ring having two annular friction surfaces, which are arranged opposite each other, which friction ring has an outer circumference and an inner circumference, and a disk brake rotor hat, which is designed to at least partly extend around a wheel bearing assembly of the vehicle. The disk brake rotor hat is connected to the friction ring in the region of the inner circumference of the friction ring and has an inner circumferential surface and an outer circumferential surface. At least one damping element is attached to the inner circumferential surface and/or to the outer circumferential surface of the disk brake rotor hat.Type: ApplicationFiled: July 26, 2017Publication date: July 4, 2019Applicant: Lucas Automotive GmbHInventors: Hans-Martin Giese, Gerd Auer, Nils Perzborn, Udo Obel
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Patent number: 10316914Abstract: A motor vehicle brake, in particular a combined hydraulically and electromechanically actuated motor vehicle brake, comprising an actuator subassembly that includes: a brake housing, an actuation member, which is movable in relation to the brake housing, for hydraulically or electromechanically moving a brake lining, a motor-operated drive, a moving mechanism between the motor-operated drive and the movable actuation member, a gear train associated with the moving mechanism, and a separate self-locking device which is designed to block the moving mechanism as needed. The gear train includes at least two gear stages. The disclosed motor vehicle brake is characterized in that the self-locking device is arranged on the gear train in such a way that reactive forces of the self-locking device that occur during the self-locking action can be deflected into the brake housing via a force guiding member.Type: GrantFiled: December 15, 2014Date of Patent: June 11, 2019Assignee: Lucas Automotive GmbHInventor: Michael Loens
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Publication number: 20190152461Abstract: An actuation device for an electromechanically actuatable vehicle brake, comprising an electric motor, at least one multistage transmission that has at least one intermediate transmission unit and at least one output transmission unit. The rotational axis of the output transmission unit extends through the at least one output shaft section and parallel to the rotational axis of the intermediate transmission unit and the rotational axis of the electric motor. One of the rotational axes of the electric motor, the intermediate transmission unit and the output transmission unit lies outside of a plane defined by two respective rotational axes of the rotational axes of the electric motor, the intermediate transmission unit and the output transmission unit.Type: ApplicationFiled: April 6, 2017Publication date: May 23, 2019Applicant: Lucas Automotive GmbHInventor: Gregor Poertzgen
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Publication number: 20190143963Abstract: A method for determining a safe speed (v*) at a future waypoint (s*) of a vehicle moving along a route. In this step, at least one item of route data (in particular the curvature of the curve ?) characterizing the course of the route is determined. In addition, a first probability distribution (Pges) of a coefficient of friction (?) is provided at the current waypoint (s) and/or at the future waypoint (s*) of the vehicle. Subsequently a second probability distribution (Pv) of a vehicle speed (v) at the future waypoint (s*) is determined from the at least one item of route data (?) and from the first probability distribution (Pges). The safe speed (v*) is determined by statistical analysis from the second probability distribution (Pv).Type: ApplicationFiled: April 27, 2017Publication date: May 16, 2019Applicants: ZF Friedrichshafen AG, Lucas Automotive GmbHInventors: Matthias SCHLEGEL, Jochen ABHAU, Heinz-Joachim GILSDORF, Julian KING, Jochen KÖHLER, Horst KRIMMEL, Gerhard NIEDERBRUCKER, Lara Ruth TURNER, Volker WAGNER, Robert ZDYCH, Vanessa ADLER, Sascha HEINRICHS-BARTSCHER, Ralf RAFFAUF, Holger SIMON, Walter STEIN
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Publication number: 20190143948Abstract: Disclosed herein is an electronic brake system using an integrated sensor, which includes a hydraulic block configured to distribute and supply a fluid to a wheel brake, and having a through-hole penetrated at both sides thereof, a sensor module installed at one side of the hydraulic block having the through-hole, for sensing a linear displacement of a brake pedal and a position of a motor, and an electronic control unit installed to a side of the hydraulic block opposite to the sensor module, in order to determine a movement distance of the pedal, based on the linear displacement of the pedal sensed by the sensor module, and control rotation of the motor depending on the linear displacement of the pedal.Type: ApplicationFiled: January 15, 2019Publication date: May 16, 2019Applicant: Lucas Automotive GmbHInventors: Sung Hwan Shin, Min Seok Kwon
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Patent number: 10286888Abstract: A vacuum brake booster for a motor vehicle brake system, comprising a displaceable force input member that is coupled to or can be coupled to a brake pedal, a chamber arrangement arranged in a booster housing having at least one working chamber and at least one vacuum chamber, which are separated from one another via at least one movable wall, a control valve assembly that can be actuated by the force input member, and a force output member for transmitting an operating force to a downstream brake system. The at least one working chamber can be fluidically connected optionally to a negative pressure source or the atmosphere by way of the control valve assembly. The control valve assembly comprises a control valve housing, in which an actuating piston that is coupled with the force input member s displaceably arranged, and a first valve seat, and a second valve seat.Type: GrantFiled: January 13, 2016Date of Patent: May 14, 2019Assignee: Lucas Automotive GmbHInventors: José Manuel Calvo Martinez, Paul Warkentin, Kurt Wingender, Martin Hofmann