Patents Assigned to Lucas Automotive GmbH
  • Publication number: 20160273602
    Abstract: A motor vehicle brake, in particular a combined hydraulically and electromechanically actuatable motor vehicle brake, with an actuator assembly comprising: a housing, an actuator which can be moved relative to the housing for hydraulically or electromechanically moving a brake lining, a motor drive, a movement mechanism which is arranged between the motor drive and the movable actuator, a gear arrangement which is paired with the movement mechanism, and a separate self-locking device which is designed to block the movement mechanism when necessary, wherein the movement mechanism has a ball screw drive with a rotatable spindle and a nut which can be moved in the housing in a linear manner. The nut can be moved within the housing in order to move the actuator by rotating the spindle, and the gear arrangement has at least two gear stages.
    Type: Application
    Filed: October 24, 2014
    Publication date: September 22, 2016
    Applicant: Lucas Automotive GmbH
    Inventors: Gregor Poertzgen, Steve Scherer, Christian Dilla, Erwin Michels, Benedikt Ohlig
  • Patent number: 9446751
    Abstract: A vacuum brake force booster for a motor vehicle brake system comprising: a force input member which is movable along a longitudinal axis and which is or can be coupled to a brake pedal, a control valve arrangement which can be actuated by the force input member, a chamber arrangement which is arranged in a housing and which has at least one working chamber and at least one vacuum chamber separated from one another by means of a movable wall and which has a force output member for transmitting an actuating force, wherein the at least one working chamber can be connected selectively to a vacuum source or to the atmosphere, wherein the control valve arrangement has a control valve housing which is coupled to the at least one movable wall for conjoint movement therewith, wherein the control valve arrangement has a force-transmitting arrangement which has a degree of axial play and which is arranged in the force transmission path between the force input member and the force output member.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: September 20, 2016
    Assignee: LUCAS AUTOMOTIVE GMBH
    Inventors: Karl-Heinz Frey, Ruediger Eick
  • Publication number: 20160221554
    Abstract: 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: Application
    Filed: August 20, 2014
    Publication date: August 4, 2016
    Applicant: Lucas Automotive GmbH
    Inventors: Carsten Knechtges, Josef Knechtges, Andreas Passmann
  • Publication number: 20160215842
    Abstract: 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: Application
    Filed: April 4, 2016
    Publication date: July 28, 2016
    Applicant: Lucas Automotive GmbH
    Inventor: Markus Mallmann
  • Publication number: 20160207514
    Abstract: An electrohydraulic brake system includes an electromechanical actuator for actuating at least one hydraulic piston to provide a hydraulic pressure at one or more of a plurality of wheel brakes. The brake system further includes electrically activatable valve arrangements having a first valve arrangement between a cylinder accommodating the at least one hydraulic piston and each of the plurality of wheel brakes, and at least one second valve arrangement. The second valve arrangement is provided 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 associated with the same wheel brake as the second valve arrangement. The brake system also includes a control device or system that opens one of the first valve arrangements and the second valve arrangement connected in parallel therewith, in order to release a hydraulic pressure built up in the cylinder.
    Type: Application
    Filed: August 20, 2014
    Publication date: July 21, 2016
    Applicant: Lucas Automotive GmbH
    Inventors: Carsten Knechtges, Josef Knechtges, Andreas Passmann
  • Patent number: 9393943
    Abstract: A brake booster is provided having a force input element that is or can be connected to a brake pedal, a chamber arrangement with a working chamber and a vacuum chamber, and a control device with a control valve. The working chamber is selectively connected to the vacuum chamber or to the surrounding atmosphere as a result of a displacement of the force input element. The control valve has a valve element that is selectively prestressed into sealed abutment on a first valve seat provided on the control valve housing or into sealed abutment on a second valve seat provided on the control piston of the control valve by a tension spring. In order to reduce the actuating force, a pneumatic function chamber is selectively isolated from the surrounding atmosphere by the valve element or connected to the vacuum chamber or to the surrounding atmosphere by the force input element.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: July 19, 2016
    Assignee: Lucas Automotive GmbH
    Inventors: David Lopez Larequi, Hans Martin Giese
  • Patent number: 9394954
    Abstract: A disc brake assembly having a guide pin disposed in a bore of an anchor bracket such that a guide pin axis is offset relative to a bore axis whereby there is provided at least one defined point of contact between only a portion of the guide pin and a portion of an inner surface of the bore. The guide pin includes a groove formed therein, the groove defines a groove axis which is offset relative to the guide pin axis, and a resilient member is disposed in the groove which is operative to bias the guide pin in the bore such that the guide pin axis is offset relative to bore axis to provide the at least one defined point of contact between only a portion of the guide pin and a portion of the inner surface of the bore.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: July 19, 2016
    Assignees: Kelsey-Hayes Company, Lucas Automotive GmbH
    Inventors: Daniel Smith, Kraig Gerber, Eduardo Morais, Marco Becker, Florian Roessinger, Christian Schroeter, Guido ZenZen
  • Publication number: 20160178023
    Abstract: Brake lining arrangement with wear indicator, comprising a planar lining carrier with a brake lining attached to a substantially plane holding surface, wherein the wear indicator has a supporting section, with which it is supported on the lining carrier, and an indicator section which extends beyond the holding surface in such a manner that it overlaps the material thickness of the brake lining and indicates a lining wear limit value, wherein the indicator section and supporting section are connected to each other via a transition section, wherein the transition section has a transition section axis. According to the invention, it is provided that the transition section axis is inclined at an acute angle to the holding surface.
    Type: Application
    Filed: July 29, 2014
    Publication date: June 23, 2016
    Applicant: Lucas Automotive GmbH
    Inventors: Berthold Ulrich, Stanley Baksi
  • Publication number: 20160176390
    Abstract: A master brake cylinder assembly of a motor vehicle brake system includes a fluid reservoir and a master brake cylinder. The fluid reservoir and the master brake cylinder are fluidically coupled to each other by means of at least one fluid channel. At least one filter element is arranged within the master brake cylinder assembly in such a way that a brake fluid volume exchanged between the master cylinder and the fluid reservoir during operation flows through the filter element. The filter element is designed to collect dirt particles present in the brake fluid.
    Type: Application
    Filed: July 18, 2014
    Publication date: June 23, 2016
    Applicant: LUCAS AUTOMOTIVE GMBH
    Inventors: Daniel Noll, Lothar Zeuner
  • Publication number: 20160167627
    Abstract: A disc brake for a motor vehicle, wherein it is possible to displace the actuating piston in the housing both by hydraulic pressure activation of a hydraulic chamber formed in the housing and via a mechanical actuator, wherein the sealing ring is accommodated in an annular groove formed in the housing. Provision is made here for the annular groove to have a groove floor, which runs substantially parallel to the longitudinal axis of the piston, and two groove walls, which adjoin the groove floor, wherein as seen in the direction of the longitudinal axis of the piston a first groove wall is directed away from the hydraulic chamber and a second groove wall is directed towards the hydraulic chamber, wherein the first groove wall merges into the groove floor via a rounded or bevelled transition region at a varying distance from the longitudinal axis of the piston.
    Type: Application
    Filed: July 22, 2014
    Publication date: June 16, 2016
    Applicant: Lucas Automotive GmbH
    Inventors: Peter Stahl, Boris Kuhnert, Christian Damrau, Christian Tharr, Dietrich Podzuweit, Maria Heinemann, Martin Brandt, Nong Dang, Michael Schog
  • Patent number: 9360066
    Abstract: In a method for producing a brake carrier for a disc brake of a vehicle braking system, wherein the brake carrier has at least one guiding shaft for guiding a brake lining in a guiding direction in relation to a receiving region for a brake disc, first a brake carrier blank is produced in a casting step and then the brake carrier blank is reworked. In the casting step, the brake carrier blank forms two converging tapers, facing the receiving region, in the region in which the guiding shaft is formed and, during the reworking, material is removed in the region of the tapers to produce the at least one guiding shaft, with the effect that the receiving region for the brake disc has a predetermined clear width transversely in relation to the guiding direction.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: June 7, 2016
    Assignee: Lucas Automotive GmbH
    Inventors: Guido Zenzen, Marco Becker, Florian Rössinger, Jochen Becker, Hans-Ulrich Seuser, Sabine Seuser, Christoph Seuser, Martin Seuser, Christina Bayer
  • Patent number: 9340192
    Abstract: A vehicle brake system having a hydraulically actuable disc brake device which has an electromechanical actuating device for activating a parking brake function, wherein the vehicle brake system has a hydraulic circuit with a hydraulic pressure source and actuable hydraulic functional elements, in order to hydraulically actuate the disc brake device in accordance with a service brake action of a driver or an automatic activation of a driving assistance system, wherein, furthermore, the vehicle brake system has a control device, in order to actuate the electromechanical actuating device in accordance with a parking brake action of the driver or an automatic activation of the parking brake function.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: May 17, 2016
    Assignee: Lucas Automotive GmbH
    Inventors: Michael Schwarz, Holger Schmidt
  • Patent number: 9340194
    Abstract: A motor vehicle brake, in particular an electromechanically actuable motor vehicle brake, having an actuator subassembly, including a housing, a servo element which is movable in relation to the housing, for moving a brake pad, a motorized drive, a movement mechanism arranged between the motorized drive and the movable servo element, a gear arrangement associated with the movement mechanism, wherein the movement mechanism has a ball screw with a spindle that can be driven in rotation and a nut that can be displaced linearly in the housing, wherein the nut may be moved, for moving the servo element, by driving the spindle in rotation within the housing.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: May 17, 2016
    Assignee: Lucas Automotive GmbH
    Inventor: Wilfried Giering
  • Patent number: 9302656
    Abstract: It is proposed, for an electronic system for operating an electromechanical parking brake device of a vehicle with an input unit for detecting a driver command which is evaluated by a control unit which activates at least one actuating unit for actuating at least one brake, that the control unit consist of at least two control components, of which a first control component is associated with the input unit and at least one second control component is associated with the at least one actuating unit.
    Type: Grant
    Filed: December 9, 2005
    Date of Patent: April 5, 2016
    Assignee: Lucas Automotive GmbH
    Inventors: Boris Köth, Bernd Schönwald, Ralf Leiter, Stefan Grieser-Schmitz
  • Patent number: 9291219
    Abstract: A bolt guiding device for a floating caliper disc brake, having at least one guide bolt that is supported in a brake carrier and mounted on a brake caliper, wherein the brake caliper is movably guided over the guide bolt in the axial direction thereof. The bolt guiding device comprises a slide bush, wherein one surface of the inner circumferential surface and outer circumferential surface acts as a retaining surface on which the slide bush is retained, and wherein the other surface of the inner circumferential surface and outer circumferential surface acts as a sliding surface on which the slide bush slides.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: March 22, 2016
    Assignee: Lucas Automotive GmbH
    Inventors: Marco Becker, Guido Zenzen, Nong Dang, Dirk Hees, Georg Brand, Dirk Debus
  • Publication number: 20160075317
    Abstract: The invention relates to a modular leakage protection device for a fluid container of a vehicle brake system. The modular leakage protection device comprises a housing which attaches the modular leakage protection device to a fluid discharge opening of the fluid container. The modular leak protection device further includes a switching element, which can be moved between an open position, in which a fluid passage in the housing is released, and a closed position, in which the fluid passage is closed. The switching element is preloaded into the closed position by means of at least one to preloading means.
    Type: Application
    Filed: February 13, 2014
    Publication date: March 17, 2016
    Applicant: Lucas Automotive GmbH
    Inventors: Klaus Lemke, Daniel Noll, Martin Sakalla, Lothar Zeuner
  • Patent number: 9284999
    Abstract: A disc brake assembly having a guide pin disposed in a bore of an anchor bracket such that a guide pin axis is offset relative to a bore axis whereby there is provided at least one defined point of contact between only a portion of the guide pin and a portion of an inner surface of the bore. The guide pin includes at least one slot having a member, which is formed separate from the guide pin, and disposed therein to bias the guide pin in the bore thereby offsetting the guide pin axis relative to the bore axis. The member includes a first member formed from an elastomeric material and a second member formed from a metal material, wherein the second member is configured to retain the member in the slot.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: March 15, 2016
    Assignees: Kelsey-Hayes Company, Lucas Automotive GmbH
    Inventors: Kraig Gerber, Guido Zenzen
  • Publication number: 20160059837
    Abstract: A hydraulic vehicle braking system comprises a master cylinder having at least one piston displacably accommodated therein, a mechanical actuator that is coupled, or can be coupled, to a brake pedal for actuating the piston, and an electromechanical actuator. The electromechanical actuator is likewise provided for actuating the piston and can be activated, at least for boosting or generating brake force, when the brake pedal is actuated. Furthermore, a valve arrangement is provided, which has a first valve per wheel brake for selectively uncoupling the wheel brake from the master cylinder, and a second valve for selectively reducing the brake pressure at the wheel brake. The valve arrangement can be controlled at least within the framework of an ABS control mode.
    Type: Application
    Filed: November 9, 2015
    Publication date: March 3, 2016
    Applicant: LUCAS AUTOMOTIVE GMBH
    Inventor: Leo Gilles
  • Publication number: 20160059835
    Abstract: 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: Application
    Filed: November 9, 2015
    Publication date: March 3, 2016
    Applicant: Lucas Automotive GmbH
    Inventors: Leo Gilles, Boris Koeth
  • Patent number: 9266517
    Abstract: A sensor assembly for use with a master cylinder is described. The master cylinder comprises an input-side activation element to which a signal transmitter element is coupled. The sensor module comprises a travel sensor for sensing travel carried out by the activation element, and a position sensor for sensing when a predefined position of the activation element is reached.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: February 23, 2016
    Assignee: Lucas Automotive GmbH
    Inventors: Josef Knechtges, Niko Naether, Thomas Baron, Karl-Heinz Schaust, Klaus Ullmer