Patents by Inventor Anton Van Zanten

Anton Van Zanten 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: 12109998
    Abstract: A braking system for a vehicle may include a hydraulic brake pedal system having a master cylinder having at least one pressure chamber, from which a hydraulic output is coupled to at least one brake circuit via an infeed switch valve. The master cylinder is coupled to a reservoir via at least one opening via a hydraulic connection. A failure of a pressure chamber seal of the at least one pressure chamber of the master cylinder is safeguarded by at least one redundancy, and the failure of the pressure chamber seal or the redundancy of the pressure chamber seal of the at least one pressure chamber of the master cylinder can be diagnosed.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: October 8, 2024
    Assignee: IPGATE AG
    Inventors: Anton Van Zanten, Thomas Leiber, Heinz Leiber
  • Publication number: 20240294158
    Abstract: A hydraulic actuation system for a brake system may include at least one brake circuit including at least one wheel brake, a master cylinder that may be actuated using an actuating device and having at least one working chamber, and a hydraulic travel simulator. The working chamber may be connected via a 3/2-way valve either to a brake circuit or to the travel simulator.
    Type: Application
    Filed: March 15, 2022
    Publication date: September 5, 2024
    Inventors: Heinz LEIBER, Anton VAN ZANTEN
  • Publication number: 20240262324
    Abstract: A brake system may include an actuating device, in particular a brake pedal; a first piston-cylinder unit having two pistons subjecting the brake circuits to a pressure medium via a valve device, wherein one of the pistons can be actuated by the actuation device; a second piston-cylinder unit having an electric motor drive, a transmission at least one piston to supply at least one of the brake circuits with a pressure medium via a valve device; and a motor pump unit with a valve device to supply the brake circuits with a pressure medium. The brake system may also include a hydraulic travel simulator with a pressure or working chamber which is connected to the first piston-cylinder unit.
    Type: Application
    Filed: April 18, 2024
    Publication date: August 8, 2024
    Inventors: Heinz Leiber, Anton Van Zanten, Thomas Leiber
  • Publication number: 20240253608
    Abstract: A brake system may include an actuating device, in particular a brake pedal; a first piston-cylinder unit having two pistons subjecting the brake circuits to a pressure medium via a valve device, wherein one of the pistons can be actuated by the actuation device; a second piston-cylinder unit having an electric motor drive, a transmission at least one piston to supply at least one of the brake circuits with a pressure medium via a valve device; and a motor pump unit with a valve device to supply the brake circuits with a pressure medium. The brake system may also include a hydraulic travel simulator with a pressure or working chamber which is connected to the first piston-cylinder unit.
    Type: Application
    Filed: April 9, 2024
    Publication date: August 1, 2024
    Inventors: Heinz LEIBER, Anton VAN ZANTEN, Thomas LEIBER
  • Publication number: 20240190405
    Abstract: A hydraulic actuation system for a hydraulic braking system may include at least one hydraulic circuit having at least one hydraulically actuated wheel brake and at least one pressure generating device comprising a piston pump. The at least one pressure generating device is used for pressure control or regulation in the at least one hydraulic circuit. The pressure generating device may be selectively connected to/disconnected from a supply reservoir by means of at least one control 3/2-way valve.
    Type: Application
    Filed: January 28, 2022
    Publication date: June 13, 2024
    Inventors: Heinz LEIBER, Anton VAN ZANTEN
  • Patent number: 11987227
    Abstract: A brake system may include an actuating device, in particular a brake pedal; a first piston-cylinder unit having two pistons subjecting the brake circuits to a pressure medium via a valve device, wherein one of the pistons can be actuated by the actuation device; a second piston-cylinder unit having an electric motor drive, a transmission at least one piston to supply at least one of the brake circuits with a pressure medium via a valve device; and a motor pump unit with a valve device to supply the brake circuits with a pressure medium. The brake system may also include a hydraulic travel simulator with a pressure or working chamber which is connected to the first piston-cylinder unit.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: May 21, 2024
    Assignee: IPGATE AG
    Inventors: Heinz Leiber, Anton Van Zanten, Thomas Leiber
  • Patent number: 11981316
    Abstract: A brake system may include an actuation device, in particular a brake pedal, a first piston-cylinder unit with two pistons, in particular an auxiliary piston and a second piston, in order to supply a pressure medium to brake circuits via a valve device. One of the pistons, in particular the auxiliary piston, can be actuated by means of the actuation device. The brake system may further include a second piston-cylinder unit with an electric motor-powered drive, a transmission, and at least one piston to supply a pressure medium to at least one of the brake circuits via a valve device and a motor-pump unit with a valve device to supply a pressure medium to the brake circuits. According to one aspect, a hydraulic travel simulator is connected to a pressure or working chamber of the first piston-cylinder unit.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: May 14, 2024
    Assignee: IPGATE AG
    Inventors: Heinz Leiber, Anton Van Zanten, Thomas Leiber
  • Publication number: 20240149845
    Abstract: A brake system may include an actuating device, in particular a brake pedal; a first piston-cylinder unit having two pistons subjecting the brake circuits to a pressure medium via a valve device, wherein one of the pistons can be actuated by the actuation device; a second piston-cylinder unit having an electric motor drive, a transmission at least one piston to supply at least one of the brake circuits with a pressure medium via a valve device; and a motor pump unit with a valve device to supply the brake circuits with a pressure medium. The brake system may also include a hydraulic travel simulator with a pressure or working chamber which is connected to the first piston-cylinder unit.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 9, 2024
    Inventors: Heinz LEIBER, Anton VAN ZANTEN, Thomas LEIBER
  • Patent number: 11702052
    Abstract: A piston-cylinder unit includes a piston delimiting at least one working chamber, in which a first seal for sealing at least one first working chamber is arranged either between the piston and cylinder or between a plunger connected to the piston and the cylinder. A second seal is arranged between the first seal and the first working chamber, and the piston-cylinder unit further includes a first channel arranged in the wall of the cylinder or in the piston, which joins the first seal and the second seal in the inner chamber of the cylinder. The first channel and/or a hydraulic line connected thereto may have a throttle device and/or a valve device. An electronic control and regulating device may have a diagnosis or monitoring function for a possible defect or failure of a seal. Multiple hydraulic devices may have such piston-cylinder units and respective control and such regulating devices.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: July 18, 2023
    Assignee: IPGATE AG
    Inventors: Heinz Leiber, Anton Van Zanten, Thomas Leiber
  • Publication number: 20230211761
    Abstract: A brake system may include an actuation device, in particular a brake pedal; a first piston-cylinder unit with two pistons, in particular an auxiliary piston and a second piston, in order to supply brake circuits with a pressure medium via a valve device, wherein one of the pistons, in particular the auxiliary piston, can be actuated by means of the actuation device; a second piston-cylinder unit comprising an electric motor-powered drive, a transmission, and at least one piston in order to supply pressure medium to at least one of the brake circuits via a valve device; and a motor pump unit with a valve device in order to supply pressure medium to the brake circuits. The brake system may further include a hydraulic travel simulator which is connected to a pressure or working chamber of the first piston-cylinder unit.
    Type: Application
    Filed: February 24, 2023
    Publication date: July 6, 2023
    Inventors: Thomas LEIBER, Heinz LEIBER, Anton VAN ZANTEN
  • Patent number: 11584348
    Abstract: An operating device for a vehicle brake system may include a control device and a piston-cylinder unit, at least one chamber of which may be connected to at least one wheel brake via at least one hydraulic line and a valve device that has at least normally open inlet valves or switching valves. The device may further include a pressure source that may be controlled to supply pressure medium to the at least one hydraulic line or to the at least one wheel brake. The control device may control pressure build-up via volume control and/or time control, using inlet valves. The interior or armature chamber of an inlet valve may be connected to a corresponding brake circuit via a hydraulic line, and a valve seat outlet may be connected to a corresponding wheel brake via a hydraulic line.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: February 21, 2023
    Assignee: IPGATE AG
    Inventors: Heinz Leiber, Thomas Leiber, Anton Van Zanten
  • Publication number: 20220379865
    Abstract: A brake system may include an actuating device, in particular a brake pedal; a first piston-cylinder unit having two pistons subjecting the brake circuits to a pressure medium via a valve device, wherein one of the pistons can be actuated by the actuation device; a second piston-cylinder unit having an electric motor drive, a transmission at least one piston to supply at least one of the brake circuits with a pressure medium via a valve device; and a motor pump unit with a valve device to supply the brake circuits with a pressure medium. The brake system may also include a hydraulic travel simulator with a pressure or working chamber which is connected to the first piston-cylinder unit.
    Type: Application
    Filed: August 9, 2022
    Publication date: December 1, 2022
    Inventors: Heinz LEIBER, Anton VAN ZANTEN, Thomas LEIBER
  • Patent number: 11472388
    Abstract: A brake system may include an actuating device, in particular a brake pedal; a first piston-cylinder unit having two pistons subjecting the brake circuits to a pressure medium via a valve device, wherein one of the pistons can be actuated by the actuation device; a second piston-cylinder unit having an electric motor drive, a transmission at least one piston to supply at least one of the brake circuits with a pressure medium via a valve device; and a motor pump unit with a valve device to supply the brake circuits with a pressure medium. The brake system may also include a hydraulic travel simulator with a pressure or working chamber which is connected to the first piston-cylinder unit.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: October 18, 2022
    Assignee: IPGATE AG
    Inventors: Heinz Leiber, Anton Van Zanten, Thomas Leiber
  • Publication number: 20220144231
    Abstract: Apparatus for generating braking force in a vehicle brake system has at least two pressure supply devices and first and second hydraulic brake circuits, each having at least one or two hydraulic wheel brakes. Pressure in at least one brake circuit can be both built up and released by the pressure supply devices, which include a piston pump or gear pump driven by an electric motor drive and deliver continuous volume. At least one valve arrangement may adjust wheel brake pressures individually and/or disconnect/connect the wheel brakes from/to a brake circuit and/or a pressure supply device. At least one electronic control unit enables open-loop and closed-loop control. Pressure increase is enabled in one or both brake circuits, independently or in combination, using first and/or second pressure supply devices that produce changes in pressure simultaneously or temporally offset or overlapping.
    Type: Application
    Filed: July 10, 2019
    Publication date: May 12, 2022
    Inventors: Thomas LEIBER, Heinz LEIBER, Anton VAN ZANTEN
  • Publication number: 20220126802
    Abstract: A brake system may include: two hydraulic brake circuits, each having at least one wheel brake; a first pressure supply device for pressure build-up and release in at least one brake circuit via forward and return travel of a piston; a second pressure supply device with a continuous delivery, electromotively-driven piston pump, gear pump, or eccentric piston pump; at least one valve assembly with valves for adjusting pressure for each wheel brake and/or for connecting/disconnecting the wheel brakes and at least one of the pressure supply devices; at least one electronic control unit; a connection line connecting the two brake circuits; and at least one outlet valve for pressure release. The wheel brakes are paired with dedicated switch valves. Each brake circuit has a hydraulic main line to connect the switch valves to the first and second pressure supply devices, which provide different maximum pressures and/or delivery volumes.
    Type: Application
    Filed: July 10, 2019
    Publication date: April 28, 2022
    Inventors: Heinz LEIBER, Anton VAN ZANTEN
  • Publication number: 20220126804
    Abstract: A braking system for a vehicle may include a hydraulic brake pedal system having a master cylinder having at least one pressure chamber, from which a hydraulic output is coupled to at least one brake circuit via an infeed switch valve. The master cylinder is coupled to a reservoir via at least one opening via a hydraulic connection. A failure of a pressure chamber seal of the at least one pressure chamber of the master cylinder is safeguarded by at least one redundancy, and the failure of the pressure chamber seal or the redundancy of the pressure chamber seal of the at least one pressure chamber of the master cylinder can be diagnosed.
    Type: Application
    Filed: February 12, 2020
    Publication date: April 28, 2022
    Inventors: Anton VAN ZANTEN, Thomas LEIBER, Heinz LEIBER
  • Patent number: 11279337
    Abstract: A diagnostic method, in particular to determine the leak tightness of at least one seal and/or one valve, for at least one component of a vehicle, wherein a piston cylinder unit, whose piston is driven by an electromotive drive, forms a pressure supply unit, wherein a control unit identifies the piston position and/or piston movement of the piston by means of at least one sensor and the pressure generated by the pressure supply unit or the motor current flowing through the drive by means of at least one sensor. During the diagnostic method, the control unit may be used to measure quantities relating to piston movement/position, pressure, and/or pressure variation.
    Type: Grant
    Filed: July 4, 2017
    Date of Patent: March 22, 2022
    Assignee: IPGATE AG
    Inventors: Heinz Leiber, Thomas Leiber, Anton Van Zanten
  • Publication number: 20210229645
    Abstract: A brake system may include an actuation device that may actuate a first piston-cylinder unit to apply pressure medium to at least one brake circuit via a valve device, where a piston of the first piston-cylinder unit separate first and second working chambers; a second piston-cylinder unit, having an electromotive drive and a transmission to feed pressure medium to at least one of the brake circuits via a valve device; and a motor-pump unit having a valve device to feed pressure medium to the brake circuits. The motor of the electromotive drive of the second piston-cylinder unit and the motor of the motor-pump unit may be used jointly or independently of one another, under control of a control device. The motor-pump unit is connected via two hydraulic connections, one or both of which may incorporate separating valves, to the first and second working chambers of the first piston-cylinder unit.
    Type: Application
    Filed: August 17, 2018
    Publication date: July 29, 2021
    Inventors: Heinz LEIBER, Anton VAN ZANTEN, Thomas LEIBER
  • Publication number: 20210094520
    Abstract: A brake system may include an actuation device, in particular a brake pedal, a first piston-cylinder unit with two pistons, in particular an auxiliary piston and a second piston, in order to supply a pressure medium to brake circuits via a valve device. One of the pistons, in particular the auxiliary piston, can be actuated by means of the actuation device. The brake system may further include a second piston-cylinder unit with an electric motor-powered drive, a transmission, and at least one piston to supply a pressure medium to at least one of the brake circuits via a valve device and a motor-pump unit with a valve device to supply a pressure medium to the brake circuits. According to one aspect, a hydraulic travel simulator is connected to a pressure or working chamber of the first piston-cylinder unit.
    Type: Application
    Filed: May 9, 2018
    Publication date: April 1, 2021
    Applicant: IPGATE AG
    Inventors: Heinz LEIBER, Anton VAN ZANTEN, Thomas LEIBER
  • Patent number: 10940840
    Abstract: The disclosure relates to an actuating system for a vehicle brake, with an actuating arrangement, in particular a brake pedal, at least one (first) piston-cylinder unit, which is connected via a hydraulic line to the vehicle brake (braking circuit) in order to supply the braking circuit with pressure medium and apply pressure to the vehicle brake, and with a drive for the piston-cylinder unit. Pressure medium can be fed to the braking circuit in controlled manner in both piston movement directions, in particular the advance stroke and the return stroke, by means of at least one, in particular stepped, piston of the piston-cylinder unit.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: March 9, 2021
    Assignee: IPGATE AG
    Inventors: Heinz Leiber, Valentin Unterfrauner, Christian Köglsperger, Anton Van Zanten