Patents Assigned to Lucas Automotive GmbH
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Patent number: 10682998Abstract: A hydraulic assembly for a vehicle brake system comprising at least two brake circuits and wheel brakes associated with the brake circuits. The hydraulic assembly comprises a pressure generator for generating a central hydraulic pressure for the brake circuits independently of the driver at least in the case of service braking initiated by the driver. Furthermore, at least one pressure adjusting device is provided for adjusting for each individual brake circuit the central hydraulic pressure that is generated by the pressure generator independently of the driver.Type: GrantFiled: October 9, 2017Date of Patent: June 16, 2020Assignee: Lucas Automotive GmbHInventors: Leo Gilles, Boris Koeth
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Patent number: 10663021Abstract: A disc brake for a motor vehicle having a reset device that can only be plastically deformed, as a result of a force acting thereon in the actuation direction along a guide surface of the receiving region, if the reset device has adopted a predetermined, exclusively elastic deformation as a result of this force, wherein the plastically deformable region is formed as a loop and is in direct contact with the retaining tongue and can also roll out along the guide surface during the plastic deformation.Type: GrantFiled: June 7, 2016Date of Patent: May 26, 2020Assignee: Lucas Automotive GmbHInventor: Markus Mallmann
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Patent number: 10626938Abstract: A subassembly for an electromechanical brake actuator and electromechanical brake actuator comprising the subassembly, wherein the subassembly comprises a drive device for generating a torque and a gear mechanism for transmitting the torque, the gear mechanism comprising, one behind the other, a first, a second and a third gear stage. The second gear stage is configured as a planetary gear set.Type: GrantFiled: September 17, 2015Date of Patent: April 21, 2020Assignee: Lucas Automotive GmbHInventors: Sagar Sambhaji Kumbhar, Andrew Hoodless, Joern Borowski, Christoph Muenz
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Patent number: 10604130Abstract: A vacuum brake booster for a motor vehicle brake system, comprising a housing having axially opposing end wall regions which are connected together via a peripheral region, wherein the end wall regions each comprise at least one receiving opening for receiving components introducing braking force or releasing braking force, wherein at least one reinforcing rib is formed in at least one end wall region. According to the invention, the reinforcing rib extends outside of an inner circle arranged concentric to the receiving opening and spans an inner circle segment which encloses an angle of at least approximately 60° and at most approximately 180°.Type: GrantFiled: January 13, 2016Date of Patent: March 31, 2020Assignee: Lucas Automotive GmbHInventors: Martin Hofmann, Georg Brand, José Manuel Calvo Martinez
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Publication number: 20200070794Abstract: The invention relates to a brake master cylinder arrangement for a motor vehicle brake system, comprising at least one piston arrangement with: a pressure piston unit that can be moved along a movement axis (V) and, together with a housing arrangement of the brake master cylinder arrangement, defines a pressure chamber; and a force input member that can be moved according to the actuation of the brake pedal and is coupled, or can be coupled, to the pressure piston unit so as to move therewith, the brake master cylinder also comprising: a position transmitter element that can be moved according to the actuation of the force input member; a detection unit designed to detect a movement of the position transmitter element; and a coupling arrangement designed to couple the position transmitter element to at least one element of the piston arrangement in a substantially rigid manner, along the movement axis (V), the coupling arrangement also being designed to allow a rotation of the at least one element of the pistType: ApplicationFiled: October 17, 2017Publication date: March 5, 2020Applicant: Lucas Automotive GmbHInventor: Michael Geider
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Publication number: 20200070788Abstract: A motor vehicle system comprising a first electric parking brake actuation unit assigned to a first vehicle wheel, and a second electric parking brake actuation unit assigned to a second vehicle wheel. The system further comprises a first control unit which includes at least one first microprocessor and which is designed to control the first electric parking brake actuation unit and does not allow the second electric parking brake actuation unit to be controlled. Furthermore, a second control unit is provided which comprises at least one second microprocessor and which is designed to control the second electric parking brake actuation unit and does not allow the first electric parking brake actuation unit to be controlled. The redundancy of the two control units increases the system safety. At the same time, the system complexity remains low since no individual control unit has to be designed to control all of the electric parking brake actuation units.Type: ApplicationFiled: October 10, 2017Publication date: March 5, 2020Applicant: Lucas Automotive GmbHInventors: Erwin Michels, Benedikt Ohlig, Matthias Fuchs
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Patent number: 10569750Abstract: A fuzzy-based control system in a motor vehicle for controlling a speed comprises a brake pressure measurement unit, a signal processing unit and a control unit. The brake pressure measurement unit is adapted as a finite state machine to measure a current brake pressure of a brake of a wheel of the motor vehicle dependent on a trigger. The signal processing unit is adapted to estimate a current adhesion value ? between a tyre associated with the wheel and the current ground, based on the current brake pressure of the brake and further measurement values. The estimating comprises an inference based on fuzzy rules and a fuzzification, a subsequently a defuzzification of the inference. The control unit is adapted to control a speed of the motor vehicle or the brake pressure of the brake, based on the estimated current adhesion value ?.Type: GrantFiled: July 28, 2017Date of Patent: February 25, 2020Assignee: Lucas Automotive GmbHInventors: Andreas Hoehn, Alexander Rams
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Publication number: 20200055506Abstract: A motor vehicle system comprising a first electric parking brake actuation unit assigned to a first vehicle wheel, and a second electric parking brake actuation unit assigned to a second vehicle wheel. The system further comprises a first control unit which includes at least one first microprocessor and which is designed to control at least the first electric parking brake actuation unit and an anti-lock and/or vehicle stability control system. A second control unit of the system comprises at least one second microprocessor and is designed to control at least the second electric parking brake actuation unit and an electric braking power generator and/or an automatic transmission. In some variants, a separate parking brake control unit can be dispensed with as the braking brake control function is shared between control units that can be used for other purposes.Type: ApplicationFiled: October 10, 2017Publication date: February 20, 2020Applicant: Lucas Automotive GmbHInventors: Erwin Michels, Benedikt Ohlig, Matthias Fuchs
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Publication number: 20200039493Abstract: A technique is described for the redundant registering of an actuation of a motor-vehicle brake system. A device which is provided for this purpose comprises a first sensor for generating a first sensor signal which indicates a movement of a mechanical input component of the brake system, and a second sensor for generating a second sensor signal which indicates a hydraulic pressure in the brake system. A processing device which is coupled to the two sensors is configured for selectively outputting an actuation signal which is generated on the basis of the first sensor signal or an actuation signal which is generated on the basis of the second sensor signal. The actuation signal indicates an actuation of the brake system.Type: ApplicationFiled: October 16, 2019Publication date: February 6, 2020Applicant: Lucas Automotive GmbHInventors: Stefan Grieser-Schmitz, Michael Keller, Kenneth Vincent
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Patent number: 10525958Abstract: An electric parking brake for an automotive vehicle comprises a brake caliper having first and second bores. A first piston is mounted in the first bore and a second piston is mounted in the second bore. A first actuator supports the first piston and a second actuator supports the second piston. The first and second actuators are controlled individually.Type: GrantFiled: October 21, 2015Date of Patent: January 7, 2020Assignees: Kelsey-Hayes Company, Lucas Automotive GmbHInventors: Manuel Barbosa, Antonio Eduardo De Morais, H. T. Chang, Christopher McCormick, Michael Schog, William Vanderroest
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Patent number: 10514312Abstract: A hydraulic pressure sensor for a vehicle comprises a sensor housing which comprises a fluid chamber, a sensor element for detecting the pressure of a fluid in the fluid chamber, and an electronic signal processing component which is electrically connected to the sensor element, for processing an electric signal characterizing the fluid pressure. Electrically conductive contacts for forwarding the electric signals processed by the electronic signal processing components are formed on an external main surface of the sensor housing.Type: GrantFiled: January 18, 2016Date of Patent: December 24, 2019Assignee: Lucas Automotive GmbHInventors: Sven Michels, Thomas Baron, Karlheinz Schaust
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Patent number: 10495165Abstract: A disc brake for a motor vehicle brake system and a restoring spring arranged therein, the disc brake comprising the following: a brake support which has at least one receiving region; a brake lining arrangement which has a brake lining support and a brake lining which is attached to the brake lining support and which can be brought into interaction with a brake disc in order to achieve a braking effect, wherein the brake lining arrangement is received in the at least one receiving region in a guided manner via a guiding portion formed on the brake lining support; and at least one restoring spring which engages the brake lining arrangement and biases the brake lining arrangement under elastic deformation into a starting position that does not produce a braking effect. The at least one restoring spring can be plastically deformed in order to compensate for brake lining wear.Type: GrantFiled: April 4, 2016Date of Patent: December 3, 2019Assignee: Lucas Automotive GmbHInventor: Markus Mallmann
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Publication number: 20190360539Abstract: 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: ApplicationFiled: August 5, 2019Publication date: November 28, 2019Applicants: ZF Active Safety US Inc., 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: 10480598Abstract: A disc brake assembly for a motor vehicle braking system comprising a backing plate which has at least one borehole that defines a first longitudinal axis, and a guide pin which is arranged in the borehole and is designed to movably mount the brake caliper relative to the backing plate, wherein the guide pin defines a second longitudinal axis and the disc brake assembly further comprises a protective bellows which at least partially surrounds the regions of the guide pin that project from the borehole. The protective bellows has a guide section which is designed to displaceably guide the guide pin in such a way that the second longitudinal axis of the guide pin is offset relative to the first longitudinal axis of the borehole.Type: GrantFiled: September 1, 2015Date of Patent: November 19, 2019Assignee: Lucas Automotive GmbHInventor: Marco Becker
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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: 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