Patents by Inventor Christian Wessels
Christian Wessels 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: 11738750Abstract: A method for controlling a motor vehicle, comprising: retrieving road gradient data relating to an expected travelling route of the motor vehicle; based on at least the retrieved road gradient data and on a motor vehicle mass, simulating a required value of a braking power related variable, which required value is needed to prevent a vehicle speed from increasing above a preset desired vehicle speed in an upcoming downhill slope; determining an available value of the braking power related variable of at least one auxiliary brake of the motor vehicle; and based on the determined available value and the simulated required value of the braking power related variable, controlling the vehicle speed and/or at least one brake actuator of the motor vehicle such that the vehicle speed does not increase above the preset desired vehicle speed in the upcoming downhill slope.Type: GrantFiled: April 17, 2019Date of Patent: August 29, 2023Assignee: Scania CV ABInventors: Christian Wessel, Andreas Szilassy, Oscar Flärdh, Mikael Ögren, Richard Boström
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Publication number: 20220348908Abstract: The present invention provides agents and compositions for modulating expression (e.g., enhanced or reduced expression) of a hepatocyte nuclear factor 4 alpha (HNF4a) gene by targeting an HNF4? expression control region and methods of use thereof for treating an HNF4? associated disorder, e.g., cirrhosis.Type: ApplicationFiled: September 23, 2020Publication date: November 3, 2022Inventors: Jesse Jerome Smith, Jodi Michelle Kennedy, Jeremiah D. Farelli, Kendrick Alan Goss, Adam Walter Scheidegger, Yoseph Kassa, Christian Wessel Cobaugh, Timsi Rao
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Publication number: 20220154691Abstract: This disclosure is directed to a method for operating a wind turbine which includes a speed-variable drive system. The system includes an electrical machine and a pulsewidth modulation-controlled converter. The speed-variable drive system is connected to an electrical grid. In the event of a transient grid fault, a frequency of the pulsewidth modulation is determined in response to a current in an electrical circuit connected to the converter.Type: ApplicationFiled: November 8, 2021Publication date: May 19, 2022Inventors: Christian Wessels, Nils Hoffmann
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Publication number: 20210237728Abstract: A method for controlling a motor vehicle, comprising: retrieving road gradient data relating to an expected travelling route of the motor vehicle; based on at least the retrieved road gradient data and on a motor vehicle mass, simulating a required value of a braking power related variable, which required value is needed to prevent a vehicle speed from increasing above a preset desired vehicle speed in an upcoming downhill slope; determining an available value of the braking power related variable of at least one auxiliary brake of the motor vehicle; and based on the determined available value and the simulated required value of the braking power related variable, controlling the vehicle speed and/or at least one brake actuator of the motor vehicle such that the vehicle speed does not increase above the preset desired vehicle speed in the upcoming downhill slope.Type: ApplicationFiled: April 17, 2019Publication date: August 5, 2021Applicant: Scania CV ABInventors: Christian WESSEL, Andreas SZILASSY, Oscar FLÄRDH, Mikael ÖGREN, Richard BOSTRÖM
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Patent number: 10715066Abstract: A method for controlling a wind turbine comprising inputting an actual value of rotational speed and a rotational speed setpoint into a control and outputting a set point value for a generator torque from the control. Inputting the set point value for the generator torque into a limiter with a predefinable upper and lower limit and outputting a limited torque value that is fed into a converter control. Increasing the actual value of the fed-in electrical power by an additional amount of power in response to a boost signal, wherein the fed-in electrical power and the additional amount of power are combined into an aggregated power setpoint value. Determining the set point value for the generator torque from the aggregated power setpoint value and applying the set point value for the generator torque in the boost operation to the limiter both as the upper limit and as the lower limit.Type: GrantFiled: August 17, 2018Date of Patent: July 14, 2020Assignee: Nordex Energy GmbHInventors: Simon De Rijcke, Niels Hamann, Christian Wessels
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Patent number: 10711765Abstract: A method is provided for controlling a wind turbine that has a generator that is controlled via a converter in a boost operation, in which an electrical power that is fed into an electrical transmission network is increased via a generative deceleration of the generator. The method comprises using a control to determining a set point value for a generator torque depending on an actual value of a rotational speed. The determined set point value for the generator torque is applied to a generator via a limiter with a predefinable upper and lower limit. Determining the set point value for the generator torque in boost operation that leads to an increased fed-in electrical power in response to a boost signal; and limiting a temporal change of the set point value for the generator torque in a recovery operation in response to a recovery signal.Type: GrantFiled: August 17, 2018Date of Patent: July 14, 2020Assignee: Nordex ChristianInventors: Simon De Rijcke, Niels Hamann, Christian Wessels
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Publication number: 20190248228Abstract: The present invention relates to a method, system, vehicle, and computer program product for determining time data relating to a non-combustion outlet process of a fuel gas from a gas tank associated with a vehicle. The method comprises providing a model for the state of fuel gas in the gas tank. The method further comprises determining time data relating to the outlet process of the fuel gas based on the model.Type: ApplicationFiled: December 2, 2016Publication date: August 15, 2019Applicant: Scania CV ABInventors: Mårten WALLENGREN, Erik KLINGBORG, Svante LÖTHGREN, Christian WESSEL
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Publication number: 20190055925Abstract: A method is provided for controlling a wind turbine that has a generator that is controlled via a converter in a boost operation, in which an electrical power that is fed into an electrical transmission network is increased via a generative deceleration of the generator. The method comprises using a control to determining a set point value for a generator torque depending on an actual value of a rotational speed. The determined set point value for the generator torque is applied to a generator via a limiter with a predefinable upper and lower limit. Determining the set point value for the generator torque in boost operation that leads to an increased fed-in electrical power in response to a boost signal; and limiting a temporal change of the set point value for the generator torque in a recovery operation in response to a recovery signal.Type: ApplicationFiled: August 17, 2018Publication date: February 21, 2019Applicant: Nordex Energy GmbHInventors: Simon De Rijcke, Niels Hamann, Christian Wessels
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Publication number: 20190058425Abstract: A method for controlling a wind turbine comprising inputting an actual value of rotational speed and a rotational speed setpoint into a control and outputting a set point value for a generator torque from the control. Inputting the set point value for the generator torque into a limiter with a predefinable upper and lower limit and outputting a limited torque value that is fed into a converter control. Increasing the actual value of the fed-in electrical power by an additional amount of power in response to a boost signal, wherein the fed-in electrical power and the additional amount of power are combined into an aggregated power setpoint value. Determining the set point value for the generator torque from the aggregated power setpoint value and applying the set point value for the generator torque in the boost operation to the limiter both as the upper limit and as the lower limit.Type: ApplicationFiled: August 17, 2018Publication date: February 21, 2019Applicant: Nordex Energy GmbHInventors: Simon De Rijcke, Niels Hamann, Christian Wessels
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Patent number: 9461572Abstract: The invention is directed to a method for controlling a wind turbine connected to a three-phase electrical supply grid during an asymmetrical grid fault. The method is configured for wind turbines with a doubly-fed induction generator. The reactive current to be fed into the electrical supply grid in the negative phase-sequence system is generated by the line-side and the rotor-side converter in a coordinated manner and depends on the line voltage. The reactive current to be fed into the electrical supply grid is distributed among the rotor-side and line-side converters. As a result, even in the case of severely asymmetrical grid faults, the reactive current to be fed into the electrical supply grid can be provided and excessive loading of the rotor-side converter can be prevented using simple means. The invention is also directed to a wind turbine for performing the above method.Type: GrantFiled: May 22, 2015Date of Patent: October 4, 2016Assignee: Nordex Energy GmbHInventor: Christian Wessels
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Publication number: 20150365031Abstract: The invention is directed to a method for controlling a wind turbine connected to a three-phase electrical supply grid during an asymmetrical grid fault. The method is configured for wind turbines with a doubly-fed induction generator. The reactive current to be fed into the electrical supply grid in the negative phase-sequence system is generated by the line-side and the rotor-side converter in a coordinated manner and depends on the line voltage. The reactive current to be fed into the electrical supply grid is distributed among the rotor-side and line-side converters. As a result, even in the case of severely asymmetrical grid faults, the reactive current to be fed into the electrical supply grid can be provided and excessive loading of the rotor-side converter can be prevented using simple means. The invention is also directed to a wind turbine for performing the above method.Type: ApplicationFiled: May 22, 2015Publication date: December 17, 2015Inventor: Christian Wessels