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).

  • Patent number: 10988126
    Abstract: A solenoid valve apparatus for a brake system for a vehicle, including: a main valve unit; a pilot-control valve unit that is fluidically connected to the main valve unit; and a housing to accommodate at least the main valve unit and the pilot-control valve unit; in which the pilot-control valve unit includes a double solenoid unit and at least one valve device, in which the double solenoid unit is formed such that it can be populated with at least one valve device, and in which the double solenoid unit has at least two accommodating portions for accommodating valve devices and at least two solenoid devices for actuating valve devices. Also described are a related braking system and a related method for mounting a solenoid valve assembly for a braking system for a vehicle.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: April 27, 2021
    Assignee: KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBH
    Inventors: Friedbert Roether, Ralf Woerner, Kai Werner, Gerhard Wieder
  • Publication number: 20210070265
    Abstract: A vehicle-electrical-apparatus, including: a) a service-brake-device having an electropneumatic service-brake-device, which is an electronically-brake-pressure-regulated-brake-system, having an electropneumatic-service-brake-valve-device (ESBVD), a first-electronic-brake-control-device (EBCD), electropneumatic-modulators and pneumatic-wheel-brake actuators; b) a sensor-device to deliver sensor-signals, including: at least one wheel-rotational-speed-sensor, a longitudinal-acceleration-sensor, a transverse-acceleration-sensor, a yaw-rate-sensor, and/or a steering-wheel-angle-sensor, wherein: c) the first-EBCD electrically controls the electropneumatic-modulators, which generate pneumatic-brake-pressures or brake-control-pressures for the pneumatic-wheel-brake-actuators, and d) the ESBVD has a service-brake-actuation-member and, within at least one electrical-service-brake-circuit, at least one electrical-channel containing at least one electrical-brake-value-transmitter, actuate-able by the service-brake-actuat
    Type: Application
    Filed: December 13, 2018
    Publication date: March 11, 2021
    Inventors: Friedbert Roether, Falk Hecker, Adnan Mustapha, Frank Schwab, Juergen Steinberger
  • Publication number: 20210039617
    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: Application
    Filed: January 13, 2017
    Publication date: February 11, 2021
    Inventors: Falk Hecker, Friedbert Roether
  • Publication number: 20200378855
    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: Application
    Filed: March 21, 2018
    Publication date: December 3, 2020
    Inventors: Christian Huber, Klaus Lechner, Friedbert Roether, Karin Pohley, Amadeus Mlynarski, Stefan Niedermeier
  • Patent number: 10711914
    Abstract: The present invention relates to a tilting armature valve included at least a coil element having at least one coil core and a coil arranged radially around the coil core. The tilting armature valve may further include an armature mounted on a face side of the armature by means of a bearing. Furthermore, the tilting armature valve may include a sealing element arranged on the side of the armature facing the coil element or facing away therefrom. Moreover, the tilting armature valve may include a valve seat having an outlet and an inlet for a fluid, wherein the outlet is closable in a fluid-tight manner by way of the sealing element.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: July 14, 2020
    Assignee: KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBH
    Inventors: Friedbert Roether, Markus Deeg, Stefan Niedermeier
  • Publication number: 20200172073
    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: August 7, 2018
    Publication date: June 4, 2020
    Inventors: Gerhard Wieder, Friedbert Röther, Frank Schwab, Falk Hecker, Michael Herges
  • Patent number: 10562510
    Abstract: A method for operating a vehicle brake system, including: classifying a fault signal, indicating a fault of an electronic actuating device of the brake system, the actuating device outputting a brake pressure for a brake of the vehicle in a normal operating mode and a pneumatic actuating device for outputting the brake pressure in a backup operating mode, as a fault signal of a first fault category if the fault is a fault in which a switchover from the electronic actuating device afflicted with the fault to the pneumatic actuating device leads to an improvement in the outputting of the brake pressure; and switching from the electronic actuating device to the pneumatic actuating device, to output the brake pressure using the pneumatic actuating device, if the fault signal is a fault signal of the first fault category. A related computer readable medium, apparatus and brake system are also described.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: February 18, 2020
    Assignee: KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBH
    Inventors: Dieter Woerner, Michael Herges, Friedbert Roether, Frank Schwab
  • Publication number: 20190360609
    Abstract: The present invention relates to a tilting armature valve included at least a coil element having at least one coil core and a coil arranged radially around the coil core. The tilting armature valve may further include an armature mounted on a face side of the armature by means of a bearing. Furthermore, the tilting armature valve may include a sealing element arranged on the side of the armature facing the coil element or facing away therefrom. Moreover, the tilting armature valve may include a valve seat having an outlet and an inlet for a fluid, wherein the outlet is closable in a fluid-tight manner by way of the sealing element.
    Type: Application
    Filed: March 24, 2017
    Publication date: November 28, 2019
    Applicant: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Friedbert ROETHER, Markus DEEG, Stefan NIEDERMEIER
  • Patent number: 10399550
    Abstract: A method for controlling a pneumatic or electro-pneumatic service brake device of a vehicle is provided. In the method a driver brake request occurs by actuating a service brake actuating element of a service brake valve device of the braking device. In response to actuating the service brake actuating element, at least one control piston of the service brake valve device is loaded with a first actuating force in order to generate a pneumatic brake pressure or brake control pressure in at least one pneumatic service brake circuit of the service brake device. The control piston directly or indirectly controls at least one double-seat valve of the service brake valve device. The at least one double-seat valve includes an inlet seat and an outlet seat. The at least one control piston of the service brake valve device in addition is loaded by a second actuation force additionally or instead of the first actuation force.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: September 3, 2019
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Falk Hecker, Friedbert Roether, Thilo Schmauider
  • Publication number: 20190248355
    Abstract: A method for operating a vehicle brake system, including: classifying a fault signal, indicating a fault of an electronic actuating device of the brake system, the actuating device outputting a brake pressure for a brake of the vehicle in a normal operating mode and a pneumatic actuating device for outputting the brake pressure in a backup operating mode, as a fault signal of a first fault category if the fault is a fault in which a switchover from the electronic actuating device afflicted with the fault to the pneumatic actuating device leads to an improvement in the outputting of the brake pressure; and switching from the electronic actuating device to the pneumatic actuating device, to output the brake pressure using the pneumatic actuating device, if the fault signal is a fault signal of the first fault category. A related computer readable medium, apparatus and brake system are also described.
    Type: Application
    Filed: June 27, 2016
    Publication date: August 15, 2019
    Inventors: Dieter Woerner, Michael Herges, Friedbert Roether, Frank Schwab
  • Publication number: 20190193706
    Abstract: A solenoid valve apparatus for a brake system for a vehicle, including: a main valve unit; a pilot-control valve unit that is fluidically connected to the main valve unit; and a housing to accommodate at least the main valve unit and the pilot-control valve unit; in which the pilot-control valve unit includes a double solenoid unit and at least one valve device, in which the double solenoid unit is formed such that it can be populated with at least one valve device, and in which the double solenoid unit has at least two accommodating portions for accommodating valve devices and at least two solenoid devices for actuating valve devices. Also described are a related braking system and a related method for mounting a solenoid valve assembly for a braking system for a vehicle.
    Type: Application
    Filed: August 9, 2017
    Publication date: June 27, 2019
    Inventors: Friedbert Roether, Dieter Woerner, Kai Werner, Gerhard Wieder
  • Patent number: 10131336
    Abstract: A valve includes at least one of an electrical port adapted to receive an electronic control signal and a pneumatic control port adapted to receive a pneumatic control signal. The valve also includes a pneumatic delivery port. The pneumatic delivery port is adapted to transmit a pneumatic fluid, based on the at least one of the received electronic control signal and the received pneumatic control signal, from a second independent source to control i) a second associated service brake and ii) delivery of the pneumatic fluid from a first independent source to control a first associated service brake.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: November 20, 2018
    Assignee: Bendix Commercial Vehicle Systems LLC
    Inventors: Paul C. Niglas, Michael D. Tober, David W. Howell, Gerhard Wieder, Adnan Mustapha, Friedbert Roether
  • Publication number: 20180086324
    Abstract: A valve includes at least one of an electrical port adapted to receive an electronic control signal and a pneumatic control port adapted to receive a pneumatic control signal. The valve also includes a pneumatic delivery port. The pneumatic delivery port is adapted to transmit a pneumatic fluid, based on the at least one of the received electronic control signal and the received pneumatic control signal, from a second independent source to control i) a second associated service brake and ii) delivery of the pneumatic fluid from a first independent source to control a first associated service brake.
    Type: Application
    Filed: September 26, 2016
    Publication date: March 29, 2018
    Inventors: Paul C. Niglas, Michael D. Tober, David W. Howell, Gerhard Wieder, Adnan Mustapha, Friedbert Roether
  • Publication number: 20170158183
    Abstract: A method for controlling a pneumatic or electro-pneumatic service brake device of a vehicle is provided. In the method a driver brake request occurs by actuating a service brake actuating element of a service brake valve device of the braking device. In response to actuating the service brake actuating element, at least one control piston of the service brake valve device is loaded with a first actuating force in order to generate a pneumatic brake pressure or brake control pressure in at least one pneumatic service brake circuit of the service brake device. The control piston directly or indirectly controls at least one double-seat valve of the service brake valve device. The at least one double-seat valve includes an inlet seat and an outlet seat. The at least one control piston of the service brake valve device in addition is loaded by a second actuation force additionally or instead of the first actuation force.
    Type: Application
    Filed: February 22, 2017
    Publication date: June 8, 2017
    Inventors: Falk HECKER, Friedbert ROETHER, Thilo SCHMAUIDER
  • Patent number: 9133956
    Abstract: An electromagnetic valve device includes an armature body; a coil housing; a static, hollow cylindrical armature guide tube; and at least one electromagnetic coil interacting with the armature body and accommodated in the coil housing; the armature body being guided in the static, hollow cylindrical armature guide tube and can abut against a head part, which closes off the armature guide tube at the head side, of the armature guide tube extending through a central passage opening of the housing and through a central opening in a yoke disk at the base side as to the coil and at least partially engaging under the yoke disk by a radially outwardly projecting annular base part, in which, for axial support of the head part, the head part is at least partially engaged over by a coil housing support part that makes contact with the head part in a contact region.
    Type: Grant
    Filed: June 14, 2011
    Date of Patent: September 15, 2015
    Assignee: KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBH
    Inventors: Friedbert Roether, Reiner Maerkle
  • Patent number: 8918262
    Abstract: A pressure control device of a vehicle, including a pressure controller of a fluid pressure brake system for brake slip-dependent control, including a relay valve having a supply port supplied by a supply pressure, a venting port connected to a pressure sink, a control port and at least two working ports, in which a working port is assigned to at least one brake cylinder and the other working port is assigned to at least one brake cylinder of another wheel, in which each working port of the relay valve is connected to a 2/2-way valve controlled by a control unit and assigned to a respective vehicle side and establishes a connection between the relevant working port and the assigned brake cylinder or blocks the connection, depending on control unit actuation, and in which the control port of the relay valve is connectable to a brake control pressure formed in accordance with the braking input, to a supply pressure of a pressure reservoir or to a pressure sink by a valve system formed by one 3/2-way or two 2/2-
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: December 23, 2014
    Assignee: Knorr-Bremse Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Friedbert Roether, Adnan Mustapha, Gerhard Wieder, Dirk Brenner
  • Patent number: 8894157
    Abstract: An electromagnetic pressure control module for a pressure-medium-actuated brake system of a motor vehicle, having at least two channels, the module being controlled electrically in undisrupted operation and pneumatically in the event of a fault in the electrics, and also from a method for operating the electropneumatic pressure control module.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: November 25, 2014
    Assignee: Knorr-Bremse Systeme Fuer Nutzfahrzeuge GmbH
    Inventors: Ralf Woerner, Friedbert Roether
  • Patent number: 8672421
    Abstract: A pressure control valve arrangement is described for controlling the fluid pressure in an ABS brake system of a vehicle in such a manner that, in the event of a tendency of individual wheels of the vehicle to lock, the brake pressure in associated brake cylinders can be adaptively adjusted, at least two diaphragm valves which have diaphragms loaded by spring elements, as well as at least one electromagnetic control valve which can be activated by an electronic control device for the pilot control of the diaphragm valves. Also described is a method for producing the pressure control valve arrangement.
    Type: Grant
    Filed: June 4, 2009
    Date of Patent: March 18, 2014
    Assignee: Knorr-Bremse Systeme Fuer Nutzfahrzeuge GmbH
    Inventors: Rainer Eidenschink, Wilfried Gerber, Friedbert Roether, Jan Grebe
  • Patent number: 8560162
    Abstract: A monitoring device for monitoring systems of a vehicle, at least some systems of which having self-monitoring routines for self-monitoring and/or some systems of which having external monitoring routines for performing external monitoring of other systems which are not provided for the functions of their own systems or for self-monitoring.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: October 15, 2013
    Assignee: Knorr-Bremse Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Michael Herges, Friedbert Roether, Juergen Steinberger, Péter Frank
  • Publication number: 20130153800
    Abstract: An electromagnetic valve device includes an armature body; a coil housing; a static, hollow cylindrical armature guide tube; and at least one electromagnetic coil interacting with the armature body and accommodated in the coil housing; the armature body being guided in the static, hollow cylindrical armature guide tube and can abut against a head part, which closes off the armature guide tube at the head side, of the armature guide tube extending through a central passage opening of the housing and through a central opening in a yoke disk at the base side as to the coil and at least partially engaging under the yoke disk by a radially outwardly projecting annular base part, in which, for axial support of the head part, the head part is at least partially engaged over by a coil housing support part that makes contact with the head part in a contact region.
    Type: Application
    Filed: June 14, 2011
    Publication date: June 20, 2013
    Inventors: Friedbert Roether, Reiner Maerkle