Patents Assigned to Vitesco Technologies GmbH
  • Patent number: 11879404
    Abstract: A current source sensor delivers detection information in the form of an intermediate signal by selectively applying a low-level or high-level current to a communication bus depending on the passage of a mobile target, the sensor including a sensitive portion detecting the passage of a of the mobile target, an electronic module controlling and shape signals coming from the sensitive portion, an embedded intelligence module designed, inter alia, to receive information from another sensor through a first signal present on the communication bus, the first signal being the sum of the abovementioned intermediate signal generated by the sensor and of another intermediate signal generated by the other sensor, wherein the embedded intelligence module is adapted to modify a first low level and a first high level of the intermediate signal, respectively, into a second low level and into a second high level depending on a the first signal.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: January 23, 2024
    Assignee: VITESCO TECHNOLOGIES GMBH
    Inventors: Jacques Rocher, Yannick Leroy, Benjamin Marconato
  • Patent number: 11879399
    Abstract: A method, for an internal combustion engine including an intake camshaft equipped with a variable intake valve timing device including an intake timing actuator and an exhaust camshaft equipped with a variable exhaust valve timing device including an exhaust timing actuator, of detecting inverted connection of the intake timing actuator with the exhaust timing actuator, including: measuring the angular position of the intake camshaft and the angular position of the exhaust camshaft; commanding one of the two timing actuators according to a setpoint and keeping the other of the two timing actuators immobile; measuring the angular positions of the intake camshaft and of the exhaust camshaft; and comparing: if the angular position of the camshaft corresponding to the timing actuator that's been commanded has not been modified, and if the angular position of the camshaft corresponding to the immobile timing actuator has been modified, inverted connection can be diagnosed.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: January 23, 2024
    Assignee: VITESCO TECHNOLOGIES GMBH
    Inventors: Nicolas Oberti, Fabien Joseph
  • Patent number: 11880708
    Abstract: Disclosed is a method for detecting a disappearance of a task in an environment including at least one recurring parent task that triggers, in nominal mode, on each occurrence, at least one child task, including the following steps: evaluating a parent duration elapsed between the last occurrence and the penultimate occurrence of the parent task, evaluating a child duration elapsed between the last occurrence and the penultimate occurrence of the child task, comparing the parent duration and the child duration, it being concluded that an occurrence of the child task has disappeared if the child duration, preferably with a margin, is longer than the parent duration.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: January 23, 2024
    Assignee: VITESCO TECHNOLOGIES GMBH
    Inventors: Stéphane Eloy, Nicolas Romea
  • Patent number: 11873745
    Abstract: The disclosure relates to a method for determining the icing condition of a component of the exhaust-gas system of a motor vehicle that is not arranged directly in the exhaust-gas mass flow and/or of the feed line of the component. The method includes: determining a water quantity actually present in the component and in the feed line thereof and the state of aggregation of the water quantity; determining an energy quantity required for deicing and for volatilizing the water quantity; and determining an energy quantity supplied for deicing and for volatilizing the water quantity by radiated heat from components arranged directly in the exhaust-gas mass flow of the exhaust-gas system of the motor vehicle to the surroundings. The method also includes determining the icing condition of the component by comparing the energy quantity supplied for deicing and for volatilization with the energy quantity required for deicing and for volatilization.
    Type: Grant
    Filed: March 26, 2022
    Date of Patent: January 16, 2024
    Assignee: Vitesco Technologies GmbH
    Inventors: Gernot Schlintl, Alexander Zimmerer
  • Publication number: 20240011423
    Abstract: Various embodiments of the teachings herein include a method for heating a catalytic converter arranged in an exhaust-gas tract of an internal combustion engine and comprising an electric heating device. An example method may include: activating the electric heating device with a specified heating power at a time before the internal combustion engine is started; monitoring the catalyst temperature in a region of the catalytic converter adjacent the heating device; before the catalyst temperature has reached a predetermined first threshold value, supplying a secondary air mass flow with a first flow rate is supplied into the exhaust-gas tract upstream of the catalytic converter; and after the catalyst temperature has reached the predetermined first threshold value, increasing the secondary air mass flow to a second flow rate greater than the first flow rate.
    Type: Application
    Filed: November 11, 2021
    Publication date: January 11, 2024
    Applicant: Vitesco Technologies GmbH
    Inventors: Florian Kleiner, Erwin Achleitner, Hendra Kurniawan, Soufiane Kolodziej
  • Patent number: 11870224
    Abstract: A high-voltage junction box for an electrically driven vehicle includes a housing part with at least one mounting hole, a contactor mechanically connected to the housing part by at least one fastening element extending through a through hole in the contactor into the mounting hole, and a bus bar having a first contact area and a second contact area. The first contact area is electrically and mechanically connected to the contactor and the second contact area is electrically and mechanically connected to a connector. A tolerance compensation element suitable to compensate for tolerance variations in a distance or space between the housing part and the contactor is mounted in the at least one mounting hole. An electrically driven vehicle with a charging unit including a high-voltage junction box is also provided.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: January 9, 2024
    Assignee: Vitesco Technologies GmbH
    Inventors: Sorin Andrei, Eduard Iosif Trif
  • Patent number: 11867281
    Abstract: A pump stage assembly including at least two pump suction stages and at least one pump pressure stage. The pump suction stages and the pump pressure stage are arranged spaced apart from one another in a pump housing PG and have a common drive shaft. The pump suction stages are formed by a first assembly of intermeshing external gearwheels that lie in a first plane, and the pump pressure stage is formed by a second assembly of intermeshing external gearwheels that lie in a second plane. A first delivery volume flow can be drawn in from a first region of a dry sump by a first pump suction stage, and a second delivery volume flow can be drawn in from a second region of the dry sump by a second pump suction stage. The two delivery volume flows intermix in the pump housing before they reach an oil tank.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: January 9, 2024
    Assignee: VITESCO TECHNOLOGIES GMBH
    Inventor: Christian Böhm
  • Patent number: 11867551
    Abstract: A signal transmitter for a fill level sensor, a conductor path arrangement is printed on a resistor arrangement. The resistor arrangement is located below a slideway and is accessible between conductor path sections for trimming of the resistor. The signal transmitter is of particularly compact configuration and can be produced at low cost.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: January 9, 2024
    Assignee: VITESCO TECHNOLOGIES GMBH
    Inventors: Gerhard Kallweit, Claus Eichelmann
  • Publication number: 20240004640
    Abstract: The disclosure relates to a computer-implemented method and device for the automated update of a communication unit of a control unit of a vehicle. The control unit includes a plurality of software clusters. The method includes providing the control unit of the vehicle, comprising a plurality of software clusters, a communication unit and a Multi Device Connector Routine. The communication unit is designed for handling communication between the software clusters and has a dedicated manifest and a configuration table for this purpose. The method includes updating at least one of the software clusters and executing the Multi Device Connector Routine, where at least the manifest of the updated software cluster is read in; at least one new manifest is generated for the communication unit by way of the read-in manifest; and at least one new configuration table is generated for the communication unit.
    Type: Application
    Filed: September 18, 2023
    Publication date: January 4, 2024
    Applicant: Vitesco Technologies GmbH
    Inventors: Ralph Mader, Rudolf Sieber, Stefan Kastner, Benjamin Kolb
  • Publication number: 20240003311
    Abstract: The disclosure relates to a method and a device for diagnosing an internal combustion engine of a powertrain. The powertrain includes the internal combustion engine and a transmission unit, and the diagnosis is carried out using a running irregularity signal, where potentially a gear change is actively requested. The method includes ascertaining a diagnostic value of the internal combustion engine during operation using the running irregularity signal of the internal combustion engine. The powertrain is operated using a diagnostic gear of the transmission unit. The method also includes detecting the diagnostic gear which is engaged in the transmission unit while ascertaining the diagnostic value; and comparing the ascertained diagnostic value with a predefined diagnostic threshold value and comparing the diagnostic gear of the transmission unit with at least one predefined gear of the transmission unit.
    Type: Application
    Filed: September 18, 2023
    Publication date: January 4, 2024
    Applicant: Vitesco Technologies GmbH
    Inventors: Stefan Schroth, Heiko Herzig
  • Patent number: 11858340
    Abstract: A fuel conveying device having a pumping stage, an electric motor to drive the pumping stage, a control unit, a magnetoresistive fill level sensor that generates a fill level signal, including a temperature-effect compensator that generates a compensation signal to compensate for temperature-related influences on the fill level signal, and an evaluation unit (5) designed such that the temperature of a fluid surrounding the fill level sensor can be determined by the evaluation unit by the compensation signal. A fuel tank equipped with a fuel delivery device of said type, a method for determining the temperature of a fluid inside a fuel tank, a method for controlling and/or regulating an electric motor, and a method for controlling and/or regulating an injection of fuel vapors to a combustion process of an internal combustion engine.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: January 2, 2024
    Assignee: VITESCO TECHNOLOGIES GMBH
    Inventors: Stefan Kleineberg, Dragan Miletic, Marc Völker, Marcus Koch
  • Patent number: 11859570
    Abstract: A toothed wheel forming a target for a camshaft position sensor includes a circular body provided with two opposite main faces and is provided on its circumference with teeth. The series of teeth includes eight teeth, each tooth having, for a given first direction of rotation of the wheel, a rising edge and a falling edge and two neighboring teeth being separated by a recessed part. The edges of a first type, rising or falling, are evenly distributed at the periphery of the toothed wheel. The angular length of the recessed parts is greater than or equal to arctan(Llow/R)°CAM, where R is the radius and Llow is the minimum distance between two teeth to detect a low level, except for one recessed part, and the angular length of a tooth is greater than arctan(Lhigh/R)°CAM, except for one tooth, where Lhigh is the minimum length of a tooth allowing detection.
    Type: Grant
    Filed: February 15, 2021
    Date of Patent: January 2, 2024
    Assignee: VITESCO TECHNOLOGIES GMBH
    Inventors: Fabien Joseph, Stéphane Eloy
  • Patent number: 11860208
    Abstract: A device tests the function of an antenna system which includes antenna units each having an antenna and a resistor and is connected between an input of a selection unit and an output of a further selection unit. A computing unit provides a control signal for the two selection units at a first output. The control signal determines which input is connected to an output of the selection unit, and which of the outputs of a further selection unit is supplied with a bias voltage present at the input of the further selection unit, and to receive the antenna signal present at the output of the selection unit at an input of the computing unit. A diagnosis circuit is connected between the output of the selection unit and a diagnosis voltage terminal. The computing unit infers a fault in the antenna system from the comparison of antenna signals.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: January 2, 2024
    Assignee: Vitesco Technologies GmbH
    Inventors: Christoph Haggenmiller, Alexander Bueenfeld
  • Patent number: 11852095
    Abstract: A method, for a direct injection engine, for dividing a fuel injection corresponding to an engine cycle into minimum sub-injections, including: determination of a desired maximum number of sub-injections by dividing a mass of fuel to be injected during the engine cycle by a minimum injectable mass and rounding down to the nearest integer; lower bounding of the desired maximum number by an authorized maximum number of sub-injections; verification that an injection duration, for such a desired maximum number of sub-injections, is less than a duration of a possible injection window and decrementation of the desired maximum number, otherwise iteration until a positive verification.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: December 26, 2023
    Assignee: Vitesco Technologies GmbH
    Inventor: Philippe Serrecchia
  • Patent number: 11846363
    Abstract: Valve for an airbag system for a motor vehicle and airbag system for a motor vehicle The invention relates to a valve for an airbag system for a motor vehicle, having: a housing (20) which extends along a longitudinal axis (21) and surrounds a cavity (22) having a taper (17) and surrounds a control chamber; an electrically switchable pilot valve (15) which selectively seals or releases a pilot opening (6) of the control chamber (5); a piston (3) which is arranged in the cavity (22) and can be displaced along the longitudinal axis (21) relative to the housing (20); an equalization line (4, 18) which connects an inlet (1) of the valve (100) to the control chamber (5) for fluid communication, wherein: a sealing seat (2) is formed at the taper (17) in order to block a gas flow from the inlet (1) to an outlet (14) of the valve (100) in a closed position, in which the piston (3) is in contact with the sealing seat (2), and to release said gas flow in further positions; the control chamber (5) is arranged on a fi
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: December 19, 2023
    Assignee: Vitesco Technologies GmbH
    Inventors: Matthias Bleeck, Christoph Aumueller
  • Patent number: 11840975
    Abstract: A method for controlling the electrical power supply of injectors for a hybrid automotive vehicle, including an internal combustion engine and an electric motor. A first electrical network, having a first DC voltage, supplies power to a motor control of the engine. A second electrical network having a second DC voltage, higher than the first DC voltage, supplies power to the electric motor. The method includes connecting the second DC voltage to the injectors; reading the value of the second DC voltage; adapting control parameters of the injectors based on the value of engine speed, engine temperature and injection pressure upstream of the injectors; and controlling the injectors using the second DC voltage. Wherein there is no change in the control parameters when the value is higher than a threshold value; and changing at least one of the control parameters when the value is lower than the threshold value.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: December 12, 2023
    Assignee: VITESCO TECHNOLOGIES GMBH
    Inventor: Frédéric Le-Hung
  • Patent number: 11835007
    Abstract: A method for controlling a motor-vehicle electronic control unit with a view to acquiring the measurement of a physical quantity using a digital sensor connected to the electronic control unit, in which method the sensor sends measurement digital data with a send period and the electronic control unit processes these measurement data with a processing period, the send period being shorter than the processing period. At the end of each processing period, the average value of the measured physical quantity is determined over an interval of N preceding processing periods.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: December 5, 2023
    Assignee: VITESCO TECHNOLOGIES GMBH
    Inventors: Lucian Vatamanu, Jérôme Dileon
  • Patent number: 11835017
    Abstract: A water-conveying module for injecting water into a combustion chamber of an internal combustion engine, having a conveying unit, which has a pump for conveying the water from a tank. The water can be conveyed by the pump to an injection point along a dosing line. The conveying unit has a water outlet through which water is conveyed out of the conveying unit. The water outlet is formed by a connection plug onto which the dosing line can be plugged, Water can be conveyed from the conveying unit into the dosing line along the connection plug that has a section which can be flowed through by the water and which is part of the fluid line from the conveying unit to the dosing line.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: December 5, 2023
    Assignee: VITESCO TECHNOLOGIES GMBH
    Inventors: Cornelius Köhler, Jan Hodgson
  • Patent number: 11835133
    Abstract: Disclosed is a pulley having: a shaft; a first shroud, called the fixed shroud, mounted so as to be unable to move in translation with respect to the shaft; a second shroud, called the movable shroud, mounted to be driven in rotation by the shaft but is able to move longitudinally with respect to the latter; a mechanism for mechanically controlling the longitudinal movement of the second shroud with respect to the shaft, having: —a first assembly, which is mounted on the shaft and driven in rotation by the latter, —a second assembly, which is mounted on the shaft by way of at least one torsion spring such that the relative angular position of the second assembly with respect to the shaft depends on the torque transmitted by the shaft, and —a device for locking in at least one position between the first assembly and the second assembly.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: December 5, 2023
    Assignee: VITESCO TECHNOLOGIES GMBH
    Inventors: Xavier Moine, Guillaume Lhermite
  • Patent number: 11835155
    Abstract: A seal arrangement for a fluid valve has: a first sealing element configured to bear sealingly against a valve housing of the fluid valve; a second sealing element configured to bear sealingly against an adjustable, rotatable, valve body of the fluid valve; and an elastically deformable intermediate piece arranged, axially, between a first wall of the first sealing element, which faces the second sealing element, and a second wall of the second sealing element, which faces the first sealing element, so as to elastically space apart the first and second sealing elements. In at least one axial portion of the intermediate piece, an axial cross section of the intermediate piece has a first radial lateral surface and an opposite second radial lateral surface. The first radial lateral surface is convex and the second radial lateral surface is concave, planar or less convex than the first radial lateral surface.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: December 5, 2023
    Assignee: VITESCO TECHNOLOGIES GMBH
    Inventors: Dmytro Rozputniak, George Plaeru, Alexandru-Llie Isaincu, Alexandru Popa