Patents by Inventor Johannes FORST
Johannes FORST 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).
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Patent number: 11619188Abstract: A method for heating a first exhaust gas purification device and a second exhaust gas purification device of an exhaust system of an internal combustion engine of a motor vehicle, has the following steps: determining a first actual temperature of the first device and a second actual temperature of the second device, determining a first setpoint temperature of the first device and a second setpoint temperature of the second device by means of a heating coordination device, determining a first heat demand of the first device and a second heat demand of the second device, creating a heating specification for the first device and for the second device, relaying the heating specification to an engine control device of the motor vehicle, and controlling the internal combustion engine by means of the engine control device as a function of the heating specification.Type: GrantFiled: February 26, 2019Date of Patent: April 4, 2023Assignee: VOLKSWAGEN AKTIENGESELLSCHAFTInventors: Ulrich Schröder, Christian Dierschke, Johannes Forst, Daniel Leineweber, Michael Tomforde
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Patent number: 11585727Abstract: A method for diagnosing the dynamics of a sensor in the fresh air or exhaust gas tract of internal combustion engines, as well as a computer program, a computer program product and a corresponding vehicle. It is provided that a corresponding sensor for measuring a pressure signal in the fresh air or exhaust gas tract of an internal combustion engine of a vehicle, which is coupled with a control and computing unit, is checked with respect to its dynamic characteristics. Measured values of differing frequency ranges are measured, these being used as the basis for a calculation of a characteristic. After the calculation, the characteristic is compared with a threshold value stored in a user-defined manner in the control and computing unit. If the calculated characteristic deviates from the threshold value, at least one triggering signal is triggered, so that an impaired sensor dynamic of the sensor is displayed.Type: GrantFiled: August 27, 2021Date of Patent: February 21, 2023Assignee: Volkswagen AktiengesellschaftInventors: Johannes Forst, Michael Mazur, Fabian Berski
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Patent number: 11519343Abstract: A method for operating an internal combustion engine of a drive system for a motor vehicle, the internal combustion engine being designed for operation using various types of fuel, has the following steps: querying operating parameters of fuel-relevant functions of the drive system by means of a central fuel coordination device of a central engine coordination device, determining possible types of fuel for operating the internal combustion engine, based on the queried operating parameters and predefined fuel release conditions, by means of the central fuel coordination device, selecting a type of fuel for operating the internal combustion engine, based on the determined possible types of fuel and at least one predefined selection criterion, by means of the central fuel coordination device, transmitting information identifying the selected type of fuel from the central fuel coordination device to a central engine control unit of the central engine coordination device, and operating the internal combustion engiType: GrantFiled: April 4, 2019Date of Patent: December 6, 2022Assignee: VOLKSWAGEN AKTIENGESELLSCHAFTInventors: Ulrich Schroeder, Daniel Leineweber, Christian Dierschke, Johannes Forst, Michael Tomforde
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Patent number: 11280227Abstract: A method for adaptation of a detected camshaft position of a camshaft in an internal combustion engine with: Detection of an ACTUAL gas signal in a gas space that is associated with the camshaft and is associated with a detected camshaft position; Processing of the gas signal to produce an ACTUAL gas criterion; Modeling of multiple simulated gas criteria, each of which is associated with a target camshaft position; Determination of a simulated gas criterion with the least deviation from the ACTUAL gas criterion; Determination of an ACTUAL camshaft position that corresponds to the simulated gas criterion with the least deviation from the ACTUAL gas criterion; Determination of a camshaft position correction value from the difference between the ACTUAL camshaft position determined and the detected camshaft position; Determination of corrected camshaft positions by correcting the detected camshaft positions with the camshaft position correction value.Type: GrantFiled: August 17, 2020Date of Patent: March 22, 2022Assignee: Volkswagen AktiengesellschaftInventors: Michael Mazur, Jens Jeschke, Johannes Forst, Holger Blume, Nico Gerhardt
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Publication number: 20220065751Abstract: A method for diagnosing the dynamics of a sensor in the fresh air or exhaust gas tract of internal combustion engines, as well as a computer program, a computer program product and a corresponding vehicle. It is provided that a corresponding sensor for measuring a pressure signal in the fresh air or exhaust gas tract of an internal combustion engine of a vehicle, which is coupled with a control and computing unit, is checked with respect to its dynamic characteristics. Measured values of differing frequency ranges are measured, these being used as the basis for a calculation of a characteristic. After the calculation, the characteristic is compared with a threshold value stored in a user-defined manner in the control and computing unit. If the calculated characteristic deviates from the threshold value, at least one triggering signal is triggered, so that an impaired sensor dynamic of the sensor is displayed.Type: ApplicationFiled: August 27, 2021Publication date: March 3, 2022Applicant: Volkswagen AktiengesellschaftInventors: Johannes FORST, Michael MAZUR, Fabian BERSKI
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Patent number: 11118529Abstract: A drive system for driving a motor vehicle has an internal combustion engine and an operating mode coordination device for determining and controlling the operating mode of the internal combustion engine. The drive system has a function coordination device for coordinating secondary functions of the drive system, the function coordination device being designed for generating, based on the coordination of the secondary functions, an operating mode request for the operating mode coordination device for controlling the operating mode of the internal combustion engine, and transmitting it to the operating mode coordination device. The invention further relates to a motor vehicle having a drive system, and a method for operating a drive system of a motor vehicle.Type: GrantFiled: February 26, 2019Date of Patent: September 14, 2021Assignee: VOLKSWAGEN AKTIENGESELLSCHAFTInventors: Ulrich Schröder, Michael Tomforde, Christian Dierschke, Johannes Forst, Daniel Leineweber
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Publication number: 20210047946Abstract: A method for adaptation of a detected camshaft position of a camshaft in an internal combustion engine with: Detection of an ACTUAL gas signal in a gas space that is associated with the camshaft and is associated with a detected camshaft position; Processing of the gas signal to produce an ACTUAL gas criterion; Modeling of multiple simulated gas criteria, each of which is associated with a target camshaft position; Determination of a simulated gas criterion with the least deviation from the ACTUAL gas criterion; Determination of an ACTUAL camshaft position that corresponds to the simulated gas criterion with the least deviation from the ACTUAL gas criterion; Determination of a camshaft position correction value from the difference between the ACTUAL camshaft position determined and the detected camshaft position; Determination of corrected camshaft positions by correcting the detected camshaft positions with the camshaft position correction value.Type: ApplicationFiled: August 17, 2020Publication date: February 18, 2021Applicant: VOLKSWAGEN AKTIENGESELLSCHAFTInventors: Michael MAZUR, Jens JESCHKE, Johannes FORST, Holger BLUME, Nico GERHARDT
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Publication number: 20200005561Abstract: The present invention relates to a method for setting an IUMPR of a vehicle, wherein the IUMPR comprises a numerator for indicating a number of possible sequences of diagnostic functions and a denominator for indicating a number of predefined operating states that have prevailed in the vehicle, wherein it is ascertained, on the basis of physical operating parameters of the vehicle, whether at least one diagnostic function can be carried out for ascertaining the functional capability of at least one function component of the vehicle, and then it is ascertained, depending on prevailing operating sequences in the vehicle and/or operating sequences yet to be carried out, whether a diagnostic mode of at least one function component for carrying out the at least one diagnostic function is available or can be set, such that the numerator of the IUMPR is incremented when it is detected that the diagnostic mode is available or can be set.Type: ApplicationFiled: June 25, 2019Publication date: January 2, 2020Applicant: VOLKSWAGEN AKTIENGESELLSCHAFTInventors: Ulrich SCHRÖDER, Michael TOMFORDE, Christian DIERSCHKE, Daniel LEINEWEBER, Johannes FORST
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Publication number: 20190309694Abstract: A method for operating an internal combustion engine of a drive system for a motor vehicle, the internal combustion engine being designed for operation using various types of fuel, has the following steps: querying operating parameters of fuel-relevant functions of the drive system by means of a central fuel coordination device of a central engine coordination device, determining possible types of fuel for operating the internal combustion engine, based on the queried operating parameters and predefined fuel release conditions, by means of the central fuel coordination device, selecting a type of fuel for operating the internal combustion engine, based on the determined possible types of fuel and at least one predefined selection criterion, by means of the central fuel coordination device, transmitting information identifying the selected type of fuel from the central fuel coordination device to a central engine control unit of the central engine coordination device, and operating the internal combustion engiType: ApplicationFiled: April 4, 2019Publication date: October 10, 2019Applicant: VOLKSWAGEN AKTIENGESELLSCHAFTInventors: Ulrich SCHROEDER, Daniel LEINEWEBER, Christian DIERSCHKE, Johannes FORST, Michael TOMFORDE
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Publication number: 20190264627Abstract: A method for heating a first exhaust gas purification device and a second exhaust gas purification device of an exhaust system of an internal combustion engine of a motor vehicle, has the following steps: determining a first actual temperature of the first exhaust gas purification device and a second actual temperature of the second exhaust gas purification device, determining a first setpoint temperature of the first exhaust gas purification device and a second setpoint temperature of the second exhaust gas purification device by means of a heating coordination device, determining a first heat demand of the first exhaust gas purification device and a second heat demand of the second exhaust gas purification device, creating a heating specification for the first exhaust gas purification device and for the second exhaust gas purification device, relaying the heating specification to an engine control device of the motor vehicle, and controlling the internal combustion engine by means of the engine control deviType: ApplicationFiled: February 26, 2019Publication date: August 29, 2019Applicant: Volkswagen AktiengesellschaftInventors: Ulrich SCHRÖDER, Christian DIERSCHKE, Johannes FORST, Daniel LEINEWEBER, Michael TOMFORDE
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Publication number: 20190264630Abstract: A drive system for driving a motor vehicle has an internal combustion engine and an operating mode coordination device for determining and controlling the operating mode of the internal combustion engine. The drive system has a function coordination device for coordinating secondary functions of the drive system, the function coordination device being designed for generating, based on the coordination of the secondary functions, an operating mode request for the operating mode coordination device for controlling the operating mode of the internal combustion engine, and transmitting it to the operating mode coordination device. The invention further relates to a motor vehicle having a drive system, and a method for operating a drive system of a motor vehicle.Type: ApplicationFiled: February 26, 2019Publication date: August 29, 2019Applicant: Volkswagen AktiengesellschaftInventors: Ulrich Schröder, Michael Tomforde, Christian Dierschke, Johannes Forst, Daniel Leineweber