Patents by Inventor Friedbert Roether

Friedbert Roether 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).

  • Publication number: 20240060799
    Abstract: An electromagnetic stroke measuring system, including: a plunger with a longitudinal axis pointing in the stroke direction, in which the plunger is arranged in a housing in the direction of the longitudinal axis and is movable in the direction of the longitudinal axis in the housing, a magnet holder with a magnet arranged in a magnet portion of the magnet holder, in which the magnet holder is arranged on a radial periphery of the plunger with respect to the longitudinal axis to be moved together with the plunger in the radial direction, and a sensor element which is arranged on a side of the housing facing away from the plunger with respect to the longitudinal axis, in which the housing forms a guide in which the magnet portion is guided in the direction of the longitudinal axis at least in portions. Also described is a related vehicle.
    Type: Application
    Filed: March 28, 2022
    Publication date: February 22, 2024
    Inventors: Joerg Schneider, Friedbert Roether, Philipp Neubert, David Wimmer
  • Patent number: 11787378
    Abstract: A control apparatus for controlling a brake system for a vehicle, including: an actuable control valve for loading at least one brake device of the brake system with a brake pressure; a pressure container connector for connecting the control apparatus to a pressure container to provide a supply pressure; and a pressure limiting valve which is arranged or can be arranged between the control valve and the pressure container connector to limit the supply pressure to the brake pressure. Also described are a related brake system, a method for operating, a method for loading, a control unit, and a computer readable medium.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: October 17, 2023
    Assignee: KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBH
    Inventors: Falk Hecker, Friedbert Roether
  • Patent number: 11738731
    Abstract: A guide sleeve for guiding a collar of a relay valve for an electropneumatic modulator for a brake system for a vehicle, includes: a guide section configured to be couple-able to a counterpart guide section of the collar of the relay valve so as to allow guidance of the collar along the guide section; and a holding section configured to fasten the guide sleeve in a positively locking manner in a housing of the relay valve. Also described are a related guide sleeve device, and a relay valve, and a related method.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: August 29, 2023
    Assignee: KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBH
    Inventors: Friedbert Roether, Martin Krahl
  • Patent number: 11731600
    Abstract: An ABS pressure control valve assembly for controlling the fluid pressure in a pressure-medium-operated brake system of a vehicle having brake slip control, by which the brake pressure in pressure-medium-operated brake actuators is adaptively adjusted for a locking tendency of individual wheels of the vehicle. Two membranes of two membrane valves are clamped between two housing parts and an intermediate plate. Also described are a pressure-medium-operated brake system of a vehicle with brake-slip control, including at least one such ABS pressure control valve assembly, and to a method for producing such an ABS pressure control valve assembly.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: August 22, 2023
    Assignee: KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBH
    Inventors: Friedbert Roether, Kai Werner, Gerhard Wieder, René Jonkmann, Alexander Krumrey, Reiner Maerkle
  • Patent number: 11719356
    Abstract: A plate armature damping device for a tilting armature valve includes at least one damping body which can be fixed to a plate armature, with at least one damping material which, on an impact movement of the plate armature in the direction of a counter-element, is elastically deformable on impact on the counter-element. The at least one damping body has a geometric contour including at least one bulge on a surface of the at least one damping body facing the counter-element, which is configured such that, on the impact movement of the plate armature, the volume of the at least one damping body contributing to the damping increases.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: August 8, 2023
    Assignee: KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBH
    Inventors: Markus Deeg, Ralf Woerner, Julian Soehnlein, Friedbert Roether
  • Publication number: 20230192059
    Abstract: A housing device for a brake device for a vehicle, including: a piston chamber for accommodating a plunger, which is movable linearly in the piston chamber by an actuation by a driver; and a sensor chamber, which is separated from the piston chamber, and which includes a sensor unit, which is configured to detect a position and/or a movement of the plunger in the piston chamber, to effect a braking operation of the vehicle. Also described are a related plunger, a brake device, a method, an apparatus, and a computer readable medium.
    Type: Application
    Filed: April 29, 2021
    Publication date: June 22, 2023
    Inventors: Friedbert Roether, Thilo Schmauder
  • Patent number: 11661044
    Abstract: A vehicle-electrical-apparatus, including: a service-brake-valve-device (SBVD) having an electropneumatic service-brake-device (ESBVD), which is an electronically-brake-pressure-regulated-brake-system (EBPRBS), having an ESBVD, a first-electronic-brake-control-device (EBCD), electropneumatic-modulators (EM) and pneumatic-wheel-brake actuators (PWBA); a sensor-device; the first-EBCD controls the EMs generating pneumatic brake-control-pressures (PBCP) for the PWBAs, and the ESBVD has a service-brake-actuation-member (SBAM) and an electrical-channel containing an electrical-brake-value-transmitter, actuate-able by the SBAM, and a second-EBCD couples brake-request signals into the first-EBCD depending on the AS, and, within a pneumatic-service-brake-circuit, a pneumatic-channel in which a control-piston of the SBVD is loaded with a first-actuation-force (AF) by actuating the service-brake-actuation-member based on a driver brake-request, and the control-piston controls a double-seat valve of the SBVD to generate
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: May 30, 2023
    Assignee: KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBH
    Inventors: Friedbert Roether, Falk Hecker, Adnan Mustapha, Frank Schwab, Juergen Steinberger
  • Publication number: 20230108493
    Abstract: An electronically controlled pneumatic operating brake system, having a backup control pressure for a pneumatic fall back level, wherein the backup control pressure is generated from a compressed air supply which is independent from two compressed air supplies for a front axle circuit and a rear axle circuit. This assures additional pneumatic redundancy and facilitates omitting a pneumatic channel in a foot brake module.
    Type: Application
    Filed: September 20, 2022
    Publication date: April 6, 2023
    Inventors: Falk Hecker, Oliver Jundt, Friedbert Roether
  • Publication number: 20230083111
    Abstract: An electric-parking-brake for a utility-vehicle, including: a feed-line for brake-pressure air; a discharge-line for brake-pressure air for a pneumatic-brake-device; a first-valve and a second-valve, each being switchable between a stable-state and an activated-state in response to electrical control-signals; and a valve-device which is connected between the feed-line and the discharge-line and exhibits a control-input, the valve device being switchable between a stable-state and an activated-state in response to control signals at the control-input, the feed-line being connected to the discharge-line in the activated-state, in which the first-valve in the stable-state or in the activated-state connects the control-input of the valve-device to the discharge-line, to retain a current-state of the valve-device when the brake-pressure air is applied to the discharge-line, and in the activated or stable state connects the control-input to the second-valve.
    Type: Application
    Filed: October 24, 2022
    Publication date: March 16, 2023
    Inventors: Gerhard Wieder, Friedbert Roether, Frank Schwab, Falk Hecker, Michael Herges
  • Publication number: 20230041598
    Abstract: The invention relates to a housing (105) having a pressure compensation device (100) for compensating a pressure in an interior (200) of the housing (105) in relation to surroundings (300) of the housing (105), said interior being in connection with the pressure compensation device (100). According to the invention, a main part (125) and a flexible sealing lip (120) of a lip sealing element (115) of an overpressure valve are formed in a single piece from an elastomer material and are held directly in the borehole (205) in a housing wall of the housing (105), a sealing surface (140), with which the flexible sealing lip (120) interacts, being formed by the radially inner circumferential surface of the borehole (205).
    Type: Application
    Filed: January 8, 2021
    Publication date: February 9, 2023
    Inventors: Hasan-Oezkan Karagoez, Friedbert Roether, Thilo Franzke
  • Publication number: 20230001899
    Abstract: A braking system for a vehicle, including: at least one pressure regulating module to set a setpoint brake pressure for at least one brake cylinder of a vehicle wheel; at least one wheel speed sensor to detect the wheel slip of the one vehicle wheel; at least one pressure control valve, assigned to the brake cylinder of a wheel, to control the brake pressure applied at the brake cylinder depending on the wheel slip; and a central processing unit to control the at least one pressure regulating module and the at least one pressure control valve at least starting from a brake signal and the detected data of the at least one wheel speed sensor, which has a direct connection to the central processing unit to transmit data detected by the wheel speed sensor.
    Type: Application
    Filed: December 8, 2020
    Publication date: January 5, 2023
    Inventors: Wolfgang Gscheidle, Alexander Rammert, Friedbert Roether
  • Publication number: 20220402471
    Abstract: A brake system for a utility vehicle includes: an electronic brake controller unit, a pneumatic parking brake circuit with at least one spring energy cylinder, a parking brake valve to control a parking brake pressure in the parking brake circuit, and at least one 3/3-way valve arranged in a pneumatic line of the parking brake circuit between the parking brake valve and at least one of the spring energy cylinders. The 3/3-way valve is actuable by the electronic brake control unit, and is configured to ventilate the pneumatic line between the 3/3-way valve and at least one of the spring energy cylinders to a predefined pressure, so as to cause the at least one of the spring energy cylinders to allow a brake, which is assigned to the spring energy cylinder, to pass into engagement.
    Type: Application
    Filed: June 14, 2022
    Publication date: December 22, 2022
    Inventors: Falk Hecker, Oliver Jundt, Friedbert Roether, Max Michalski, Thomas Weinhold
  • Patent number: 11511718
    Abstract: An electric-parking-brake for a utility-vehicle, including: a feed-line for brake-pressure air; a discharge-line for brake-pressure air for a pneumatic-brake-device; a first-valve and a second-valve, each being switchable between a stable-state and an activated-state in response to electrical control-signals; and a valve-device which is connected between the feed-line and the discharge-line and exhibits a control-input, the valve device being switchable between a stable-state and an activated-state in response to control signals at the control-input, the feed-line being connected to the discharge-line in the activated-state, in which the first-valve in the stable-state or in the activated-state connects the control-input of the valve-device to the discharge-line, to retain a current-state of the valve-device when the brake-pressure air is applied to the discharge-line, and in the activated or stable state connects the control-input to the second-valve.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: November 29, 2022
    Assignee: KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBH
    Inventors: Gerhard Wieder, Friedbert Röther, Frank Schwab, Falk Hecker, Michael Herges
  • Patent number: 11505170
    Abstract: A housing for an electropneumatic modulator for an electropneumatic brake system for a vehicle, includes: an electric chamber configured to receive at least one electrical and/or electronic component of the electropneumatic modulator from a first side of the housing; and a receptacle chamber which is arranged opposite the electric chamber and is configured so as to receive a relay piston and a guide device for guiding the relay piston from a second side, opposite the first side, of the housing, in which the housing is formed in one piece. Also described are a related electropneumatic modulator and a method for making the electropneumatic modulator.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: November 22, 2022
    Assignee: KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBH
    Inventors: Martin Krahl, Friedbert Roether
  • Publication number: 20220250603
    Abstract: A relay-valve (RV) device for commercial-vehicles, having: a relay-piston, in a housing, has a piston-pin (PP) extending in a longitudinal-direction (LD) from a piston-plate (PPL) and is movable in the LD in a PPL-guide, the PPL dividing a housing interior into a PP-side volume and a volume remote therefrom, a valve, which is actuated by the PP to introduce a fluid from a supply-pressure-reservoir into the PP-side volume, and an intermediate-element (IE), arranged around the PP is movable relative thereto in the LD in an IE-guide and which divides the PP-side volume into a PPL-side volume and a volume remote therefrom and limits the flow-rate of the fluid to the PPL by at least one through-opening, in which the RV device has an IE-stop, which limits the movement of the IE in the direction of the PPL and against which the IE is bringable into sealing contact by the fluid-pressure.
    Type: Application
    Filed: January 31, 2022
    Publication date: August 11, 2022
    Inventors: Markus DEEG, Michael GIANNUZZI, Friedbert RÖTHER
  • Publication number: 20220074515
    Abstract: A plate armature damping device for a tilting armature valve includes at least one damping body which can be fixed to a plate armature, with at least one damping material which, on an impact movement of the plate armature in the direction of a counter-element, is elastically deformable on impact on the counter-element. The at least one damping body has a geometric contour including at least one bulge on a surface of the at least one damping body facing the counter-element, which is configured such that, on the impact movement of the plate armature, the volume of the at least one damping body contributing to the damping increases.
    Type: Application
    Filed: August 26, 2021
    Publication date: March 10, 2022
    Inventors: Markus Deeg, Ralf Woerner, Julian Soehnlein, Friedbert Roether
  • Publication number: 20210402967
    Abstract: An ABS pressure control valve assembly for controlling the fluid pressure in a pressure-medium-operated brake system of a vehicle having brake slip control, by which the brake pressure in pressure-medium-operated brake actuators is adaptively adjusted for a locking tendency of individual wheels of the vehicle. Two membranes of two membrane valves are clamped between two housing parts and an intermediate plate. Also described are a pressure-medium-operated brake system of a vehicle with brake-slip control, including at least one such ABS pressure control valve assembly, and to a method for producing such an ABS pressure control valve assembly.
    Type: Application
    Filed: September 23, 2019
    Publication date: December 30, 2021
    Inventors: Friedbert Roether, Kai Werner, Gerhard Wieder, René Jonkmann, Alexander Krumrey, Reiner Maerkle
  • Publication number: 20210354674
    Abstract: A housing for an electropneumatic modulator for an electropneumatic brake system for a vehicle, includes: an electric chamber configured to receive at least one electrical and/or electronic component of the electropneumatic modulator from a first side of the housing; and a receptacle chamber which is arranged opposite the electric chamber and is configured so as to receive a relay piston and a guide device for guiding the relay piston from a second side, opposite the first side, of the housing, in which the housing is formed in one piece. Also described are a related electropneumatic modulator and a method for making the electropneumatic modulator.
    Type: Application
    Filed: August 2, 2019
    Publication date: November 18, 2021
    Inventors: Martin Krahl, Friedbert Roether
  • Patent number: 11156524
    Abstract: An electronic control unit for a vehicle, including: a pressure-sensor-element (PSE); a housing having a pressure-guide by which the PSE has a pressure-medium applied to it under pressure; an evaluation-unit to generate a pressure-signal, dependent on the pressure detected by the pressure-sensor-element in the pressure-guide; and a circuit-carrier on which at least part of control-electronics of the control-unit is arranged; the pressure-signal of the evaluation-unit being put in the control-electronics, the pressure-guide making direct contact with the circuit-carrier and a sealing-element arranged in the contact-region between the pressure-guide and the circuit-carrier, the sealing-element sealing a region of the pressure-guide to which the pressure-medium is applied under pressure from the surroundings, the PSE being arranged directly on the circuit-carrier, such that the PSE is arranged in the region of the pressure-guide to which the pressure-medium is applied under pressure, and the evaluation-unit bein
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: October 26, 2021
    Assignee: KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBH
    Inventors: Christian Huber, Klaus Lechner, Friedbert Roether, Karin Pohley, Amadeus Mlynarski, Stefan Niedermeier
  • Publication number: 20210316707
    Abstract: A guide sleeve for guiding a collar of a relay valve for an electropneumatic modulator for a brake system for a vehicle, includes: a guide section configured to be couple-able to a counterpart guide section of the collar of the relay valve so as to allow guidance of the collar along the guide section; and a holding section configured to fasten the guide sleeve in a positively locking manner in a housing of the relay valve. Also described are a related guide sleeve device, and a relay valve, and a related method.
    Type: Application
    Filed: August 5, 2019
    Publication date: October 14, 2021
    Inventors: Friedbert Roether, Martin Krahl