Patents by Inventor Nicholas Alford

Nicholas Alford has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11919490
    Abstract: A hydraulic motor vehicle braking system includes a first functional unit, a second functional unit and a switching device. The first functional unit comprises at least one first valve arrangement designed to optionally connect or disconnect at least one first wheel brake associated with a first axle to or from an existing hydraulic pressure, and at least one second valve arrangement designed to optionally connect or disconnect at least one second wheel brake associated with a second axle to or from an existing hydraulic pressure. The second functional unit comprises at least one second electrical brake pressure generator, by means of which a brake pressure can be generated on at least the at least one second wheel brake, and a second control system which is designed to control the at least one second electrical brake pressure generator for a brake pressure regulation on at least the at least one second wheel brake in the event of a failure of the first functional unit.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: March 5, 2024
    Assignee: ZF Active Safety GmbH
    Inventors: Nicholas Alford, Andreas Marx, Oliver Wolf
  • Publication number: 20240052902
    Abstract: The disclosure relates to a method for determining the wear of a brake of a motor vehicle having a brake piston, an actuator, a first brake lining, a second brake lining, a friction partner and a mounting, where the brake piston is held on a spindle of the brake and can be moved axially along the spindle between the actuator and the friction partner.
    Type: Application
    Filed: August 1, 2023
    Publication date: February 15, 2024
    Inventors: Andreas Marx, Nicholas Alford
  • Patent number: 11820342
    Abstract: A hydraulic motor vehicle braking system includes a first sensor device, a first functional unit, a second functional unit and a switching device. The first functional unit comprises at least one first electrical brake pressure generator, by means of which a brake pressure can be generated on respective wheel brakes, and a first control system which is designed to control the at least one first electrical brake pressure generator on the basis of a sensor signal of the sensor device. The second functional unit comprises at least one second electrical brake pressure generator, by means of which a brake pressure can be respectively generated on a subset of the wheel brakes, and a second control system which is designed to control the at least one second electrical brake pressure generator on the basis of the sensor signal in the event of a failure of the first functional unit.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: November 21, 2023
    Assignee: ZF Active Safety GmbH
    Inventors: Nicholas Alford, Andreas Marx
  • Publication number: 20230278535
    Abstract: A brake-by-wire brake system for a vehicle having at least two wheels which can be braked is specified. The brake system comprises at least two brake actuator units, which each have a brake actuator assigned to one of the wheels, which can be braked, for braking the vehicle during driving operation. The brake system furthermore comprises a brake actuation unit for actuation by the driver for a braking operation, having at least one sensor for detecting an activation of the brake actuation unit by the driver, at least one electronic control unit which is configured to activate one or both brake actuator units in order to impart a braking force to an associated wheel, and at least one mechanically actuatable electrical switch that is configured to close and/or open an additional signal line to at least one of the brake actuator units in order to activate the brake actuator thereof.
    Type: Application
    Filed: March 1, 2023
    Publication date: September 7, 2023
    Inventors: Andreas Marx, Nicholas Alford
  • Publication number: 20230192056
    Abstract: A hydraulic motor vehicle brake system that is operable in a brake-by-wire mode and/or a push-through mode is disclosed. The brake system comprises: a pedal module having a master cylinder which, in the push-through mode, is actuatable by a driver by way of a pedal in order to generate a respective brake pressure at wheel brakes of the motor vehicle; and a functional module having at least one electrical brake pressure generator by which, in the brake-by-wire mode, a respective brake pressure can be generated at the wheel brakes. The pedal module and the functional module are arranged separately from one another and are couplable and/or coupled to one another via lines, such as fluid lines.
    Type: Application
    Filed: December 12, 2022
    Publication date: June 22, 2023
    Inventor: Nicholas Alford
  • Publication number: 20230192062
    Abstract: A brake system for a vehicle is provided. The brake system is designed to selectively apply pressure to and release it from at least two pressure connectors for brake actuators, and each of the pressure connectors can be coupled to an associated brake actuator of a wheel of the vehicle. The brake system has a master brake module and an auxiliary brake module, wherein the master brake module and the auxiliary brake module each have at least one sensor for detecting a fluid pressure in the respective brake module, and with a control unit which is configured to monitor and compare a fluid pressure in the master brake module and in the auxiliary brake module by the measured values detected by the sensors, and, based on the pressure and/or pressure curve, to draw a conclusion about the functional capability of the auxiliary brake module. A method is furthermore provided for performing a functional test of the brake system.
    Type: Application
    Filed: December 5, 2022
    Publication date: June 22, 2023
    Inventors: Andreas Marx, Nicholas Alford, Frank Einig
  • Publication number: 20230192069
    Abstract: The disclosure relates to a method for compensating a yaw moment acting on a vehicle which is caused by asymmetrical braking forces on at least one vehicle axle. In the method, at least one vehicle-related condition is queried after initiation of a braking operation, a yaw variable present on the vehicle is detected, the value of the detected yaw variable is compared with a yaw variable limit value, a corrective steering angle is determined depending on the difference and/or the change in the difference between the value of the detected yaw variable and the yaw variable limit value, taking into account the sign of the yaw variable, and, lastly, a corrective steering angle is automatically set on at least one vehicle wheel of a steered vehicle axle. The disclosure also relates to an apparatus for compensating a yaw moment acting on a vehicle.
    Type: Application
    Filed: December 9, 2022
    Publication date: June 22, 2023
    Inventors: Andreas Marx, Nicholas Alford
  • Publication number: 20230150467
    Abstract: An actuator assembly for a vehicle brake is described. It comprises a carrier assembly (22) on which an activating carriage (88) for a brake lining is guided linearly. Moreover, an electric motor fastened to the carrier assembly (22) is provided which is coupled drivingly to the activating carriage via a gear unit and a spindle drive such that the activating carriage can be displaced selectively between a retracted position and an extended position. In addition, the actuator assembly comprises a locking assembly (106) for selectively immobilizing in rotation an output shaft (38) of the electric motor. The locking assembly (106) here comprises a locking lever (114) which at a first end (116) is mounted rotatably on the carrier assembly (22) and at a second opposite end (118) is coupled to a locking actuator (112). A locking tooth (124) is moreover positioned between the first end (116) and the second end (118). A method for activating an actuator assembly for a vehicle brake is furthermore presented.
    Type: Application
    Filed: November 17, 2021
    Publication date: May 18, 2023
    Inventors: Galus Chelaidite, Volker Knop, Nicholas Alford, Christoph Beuerle, Werner Seibert, Markus Mallmann
  • Publication number: 20230150470
    Abstract: A spindle drive for an actuator assembly of a vehicle brake is provided, with a spindle and a spindle nut mounted on the spindle, which forms an actuating carriage which can be displaced between a retracted and an extended position in order to apply a brake lining against a brake rotor. The spindle nut has a pressure-distributing element at an end of the spindle nut which is close to the brake lining, and a contact surface of the pressure-distributing element which faces away from the spindle is continuously or discontinuously annular. Furthermore, an actuator assembly with a spindle drive is provided. In addition, a method for producing a spindle drive is provided.
    Type: Application
    Filed: November 10, 2022
    Publication date: May 18, 2023
    Inventors: Volker Knop, Nicholas Alford
  • Publication number: 20230151879
    Abstract: A ball-screw drive for an actuator assembly of a vehicle brake is disclosed, comprising a rotatably mounted recirculating ball screw on which a screw nut which is closed on one side is mounted, at least one thread being formed on the circumferential surface of the recirculating ball screw, in which thread a plurality of balls are guided in such a way that a rotation of the recirculating ball screw brings about an axial displacement of the screw nut along an axis of rotation of the recirculating ball screw. A ball return system is integrated in the recirculating ball screw. Furthermore, an actuator assembly comprising a ball-screw drive and a method for producing a ball-screw drive are indicated.
    Type: Application
    Filed: November 11, 2022
    Publication date: May 18, 2023
    Inventors: Volker Knop, Nicholas Alford, Werner Seibert, Christoph Beuerle
  • Publication number: 20230151863
    Abstract: An actuator assembly for an electromechanical vehicle brake is disclosed, having a carrier assembly with a frame part, and a guide part in which an actuating slide for a brake pad is mounted so as to be linearly displaceable. The guide part has a rotational locking geometry by which the guide part is rotationally fixedly received in the frame part by form fit. An electromechanical brake is also proposed.
    Type: Application
    Filed: November 16, 2022
    Publication date: May 18, 2023
    Inventors: Volker Knop, Nicholas Alford, Werner Seibert, Christoph Beuerle, Markus Mallmann
  • Publication number: 20230150473
    Abstract: A connection for delivering fluid to a brake system housing having a cavity includes a fluid reservoir having a port extending along a centerline and configured to be received in the cavity. A collar extends around the port. A grommet extends around the port and is received in the cavity for forming a fluid-tight seal between the port and the brake system housing. The grommet includes a flange extending radially to an outermost surface positioned radially inside the collar.
    Type: Application
    Filed: November 15, 2021
    Publication date: May 18, 2023
    Inventors: Marcus Janson, Nicholas Alford, Blaise Ganzel, Markus Mallmann
  • Publication number: 20230151860
    Abstract: A carrier assembly for an actuator assembly for a vehicle brake is described. It comprises a plate-like frame part which has a receiving space for a planetary gear stage and a first fastening interface for an electric motor. A centre axis of the receiving space and a centre axis of the first fastening interface run generally parallel. In addition, a drive assembly for an actuator assembly for a vehicle brake is proposed which has such a carrier assembly. An actuator assembly with a drive assembly of this type is moreover presented.
    Type: Application
    Filed: November 10, 2022
    Publication date: May 18, 2023
    Inventors: Volker Knop, Nicholas Alford, Werner Seibert, Christoph Beuerle, Markus Mallmann
  • Publication number: 20230151861
    Abstract: An actuator assembly for a vehicle brake is described, which comprises a control assembly, which can be installed as a separate sub-unit and has a partition panel and a circuit board fastened to said partition panel. The actuator assembly furthermore has a drive assembly (14), which can be installed as a separate sub-unit and which comprises a carrier assembly on which an electric motor, a spindle drive and a gear unit are mounted, which gear unit drivingly couples the electric motor and the spindle drive. The control assembly and the drive assembly are arranged in a common housing. A method for manufacturing an actuator assembly for a vehicle brake is furthermore presented.
    Type: Application
    Filed: November 15, 2022
    Publication date: May 18, 2023
    Inventors: Volker Knop, Nicholas Alford, Werner Seibert, Christoph Beuerle, Markus Mallmann
  • Publication number: 20230151862
    Abstract: An actuator assembly for a vehicle brake is described, with a brake calliper in which a space is formed for a brake disc, and an actuating slide for a brake pad. The actuating slide can be moved optionally between a retracted position and an extended position. In the brake calliper, adjoining the space, a sleeve-like portion is formed with a running face for the actuating slide. The actuating slide is received in the sleeve-like portion and is guided linearly on the running face.
    Type: Application
    Filed: November 15, 2022
    Publication date: May 18, 2023
    Inventors: Volker Knop, Nicholas Alford, Werner Seibert, Christoph Beuerle
  • Patent number: 11590945
    Abstract: An electrohydraulic vehicle braking system is provided, comprising an electrically controllable first hydraulic pressure generator and an electrically controllable second hydraulic pressure generator. The braking system further comprises a first valve device for each wheel brake, having at least one first valve, wherein in an electrically uncontrolled state the first valve device separates its associated wheel brake from an output of the first hydraulic pressure generator, and in an electrically controlled state connects it to the output of the first hydraulic pressure generator. In addition, a second valve device for each wheel brake is provided, having a second valve between an output of the second hydraulic pressure generator and its associated wheel brake, as well as a third valve between this wheel brake and a first hydraulic fluid reservoir. The first valve device and the second valve device are arranged in parallel to one another.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: February 28, 2023
    Assignee: ZF Active Safety GmbH
    Inventors: Frank Einig, Blaise Ganzel, Nicholas Alford
  • Publication number: 20230001908
    Abstract: A brake system for selectively actuating at least one of a pair of front wheel brakes and a pair of rear wheel brakes includes a reservoir and a power transmission unit configured for selectively providing pressurized hydraulic fluid for actuating at least a selected one of the wheel brakes during a braking event. The power transmission unit includes an electric motor for selectively actuating a fluid pressurization cycle. The electric motor is a dual-wound electric motor having first and second windings. A first electronic control unit is provided for selectively controlling the first windings of the electric motor of the power transmission unit. A second electronic control unit is provided for selectively controlling the second windings of the electric motor of the power transmission unit. An isolation valve and a dump valve are associated with each wheel brake.
    Type: Application
    Filed: July 2, 2021
    Publication date: January 5, 2023
    Inventors: FRANK EINIG, BLAISE J. GANZEL, NICHOLAS ALFORD
  • Publication number: 20220340114
    Abstract: The disclosure relates to a braking system for a vehicle having at least four brakable wheels, comprising at least four brake actuator units, each of which can be associated with one of the wheels of the vehicle, wherein each brake actuator unit is associated with an electronic control unit which is designed to activate the brake actuator unit in order to apply a braking force to an associated wheel. At least two of the control units are designed as a master unit and a brake signal from a brake actuation unit is sent directly to each of the master units, and wherein each master unit is directly connected in terms of signaling to at least another of the control units, designed as a slave unit, in order to forward the brake signal to the slave unit.
    Type: Application
    Filed: April 22, 2022
    Publication date: October 27, 2022
    Inventors: Andreas Marx, Nicholas Alford
  • Publication number: 20220340118
    Abstract: The disclosure relates to a braking system for a vehicle having at least four brakable wheels. The braking system comprises at least four brake actuator units, each of which can be associated with one of the wheels of the vehicle, as well as a first electronic control unit and a second electronic control unit. Each brake actuator unit has its own signal line via which the relevant brake actuator unit is connected in terms of signaling to the first control unit and the second control unit, so that each of the brake actuator units can be actuated both by the first control unit and by the second control unit.
    Type: Application
    Filed: April 22, 2022
    Publication date: October 27, 2022
    Inventors: Manfred Meyer, Nicholas Alford, Roman Bechmann, Andreas Marx
  • Patent number: 11198419
    Abstract: The present disclosure relates to a method for producing a brake force device for a vehicle brake system, in which a housing is produced, wherein a recess is formed in the housing, wherein a piston device is arranged in the recess, wherein the piston device is movably guided in the axial direction of a longitudinal axis of the recess and along a specified maximum stroke path, and the length of the maximum stroke path of the piston device is modified for different embodiments of the brake force device. In order to improve and/or to simplify the implementation of different embodiments of the brake force device.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: December 14, 2021
    Assignee: ZF Active Safety GmbH
    Inventors: Marcus Janson, Nicholas Alford