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31.发明公开公开(公告)号：US20240025259A1
公开(公告)日：2024-01-25
申请号：US18266054
申请日：2021-12-03
CPC分类号： B60L3/0046 , B60L53/20 , H02M1/322 , B60L2210/10
摘要： A vehicle charging circuit is equipped with a rectifier device, at least one intermediate circuit capacitor and at least one precharge/discharge circuit. The rectifier device is connected to the intermediate circuit capacitor via the precharge/discharge circuit. The precharge/discharge circuit has at least one first changeover switch that is configured, in a first position, to connect a first pole of the intermediate circuit capacitor to a first potential of the rectifier device. In a second position, the changeover switch connects the first pole of the intermediate circuit capacitor to the second pole of the intermediate circuit capacitor via a discharge resistor. The changeover switch is configured to adopt the second switching position in the actuation-free state.
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公开(公告)号：US11880708B2
公开(公告)日：2024-01-23
申请号：US17274905
申请日：2019-09-10
发明人： Stéphane Eloy , Nicolas Romea
摘要： 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.
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公开(公告)号：US20240011423A1
公开(公告)日：2024-01-11
申请号：US18254518
申请日：2021-11-11
CPC分类号： F01N3/2026 , F01N11/002 , F01N3/323 , B01D53/9495 , F01N2550/22 , B01D2259/4566
摘要： 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.
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公开(公告)号：US11858340B2
公开(公告)日：2024-01-02
申请号：US17741899
申请日：2022-05-11
发明人： Stefan Kleineberg , Dragan Miletic , Marc Völker , Marcus Koch
IPC分类号： B60K15/077 , F02M37/08 , G01F23/38 , B60K15/03 , G05D23/24
CPC分类号： B60K15/077 , F02M37/08 , G01F23/38 , B60K2015/03111 , B60K2015/03197 , B60K2015/03217 , G05D23/24
摘要： 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.
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公开(公告)号：US20230407779A1
公开(公告)日：2023-12-21
申请号：US18038251
申请日：2021-11-19
发明人： Tobias LUEBBERT , Peter BAUER , Cornelius KÖHLER , Youness IDAR
IPC分类号： F01N13/18
CPC分类号： F01N13/1838 , F01N2610/02 , F01N2610/1426 , F01N2610/1433
摘要： A conveying device for an aqueous urea solution in a motor vehicle, with a tank, with a filter element and with a pump. The aqueous urea solution can be conveyed by the pump from the tank through the filter element into a suction line, wherein the filter element has a filter material and a frame for receiving the filter material, wherein the filter material is connected to the frame by a connection element, wherein the connection element is part of the fluid conveying path from the tank via the filter element to the pump.
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公开(公告)号：US11835007B2
公开(公告)日：2023-12-05
申请号：US17251563
申请日：2019-06-19
发明人： Lucian Vatamanu , Jérôme Dileon
CPC分类号： F02D41/28 , G05B21/02 , F02D41/009 , F02D2041/283 , F02P5/04
摘要： 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.
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37.发明公开公开(公告)号：US20230375429A1
公开(公告)日：2023-11-23
申请号：US18359049
申请日：2023-07-26
发明人： Thomas Pichler
CPC分类号： G01L27/007 , F02M25/0854 , F02M25/0872 , F02M25/0809
摘要： The invention relates to a method and a device for pressure sensor diagnosis in a tank venting system of a motor vehicle operated by an internal combustion engine, wherein the tank venting system comprises an activated carbon filter, a purge line arranged between the activated carbon filter and an intake tract of the motor vehicle, a tank venting valve arranged in the purge line and a pressure sensor arranged in the purge line, and wherein the method comprises the following steps:
measuring a pressure prevailing in the purge line by means of the pressure sensor to determine a starting pressure,
classifying the starting pressure into one of a plurality of pressure ranges depending on the amplitude of the starting pressure,
carrying out a pressure sensor diagnosis using a diagnosis algorithm which is associated with the pressure range in which the starting pressure lies.-
公开(公告)号：US20230375324A1
公开(公告)日：2023-11-23
申请号：US18031197
申请日：2021-10-04
发明人： Tobias LUEBBERT , Peter BAUER , Cornelius KÖHLER , Youness IDAR
CPC分类号： G01B7/026 , F16L53/38 , H05B3/58 , H05B1/0236
摘要： A method for determining the length of a heated pressure line for a conveying device for an aqueous urea solution in a motor vehicle from a tank to an injector, wherein the pressure line is electrically heatable and is heated, using ohmic resistance, by the application of a voltage to an electrical conductor led on the pressure line, wherein the length of the pressure line is calculated by the following formula:
l
pressure
line
=
R
heating
conductor
×
A
ρ
where A designates the cross section of the electrical conductor and p the specific electrical resistance of the electrical conductor and Rheating conductor the electrical resistance of the electrical conductor used to heat the pressure line.-
公开(公告)号：US11814997B2
公开(公告)日：2023-11-14
申请号：US17661129
申请日：2022-04-28
发明人： Erwin Achleitner , Tino Arlt , Florian Kleiner , Gerhard Haft
CPC分类号： F01N3/2013 , F01N3/101 , F01N3/2093 , F01N2240/16 , F01N2430/10
摘要： A method for operating an exhaust-gas purification system which is arranged in the exhaust system of an internal combustion engine, and an exhaust-gas purification system, are described. In the method, a combination of electrical catalytic converter heating measures with internal combustion engine catalytic converter heating measures is implemented, whereby particularly fast and inexpensive heating of a catalytic converter is achieved. The corresponding exhaust system preferably has, in an exhaust-gas flow direction, firstly a support catalytic converter and then a heated catalytic converter.
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40.发明公开公开(公告)号：US20230356596A1
公开(公告)日：2023-11-09
申请号：US18354243
申请日：2023-07-18
发明人： Franz Pfeilschifter , Jürgen Kuffer
CPC分类号： B60L3/0069 , G01R27/025 , B60L50/51
摘要： The disclosure provides a vehicle electrical system equipped with a high-voltage branch and a first low-voltage branch, which is galvanically isolated from the high-voltage branch by insulation. The low-voltage branch has at least one low-voltage line, which leads to the high-voltage branch. The low-voltage branch has a voltmeter. The voltmeter is connected in a signal-transmitting manner to the at least one low-voltage line. Furthermore, the voltmeter is set up to detect whether an absolute voltage value of the at least one low-voltage line with respect to a ground potential of the vehicle electrical system lies above a voltage limit. The voltage limit defines an absolute voltage value which is greater than the absolute value of a maximum signal voltage of the low-voltage line, which the low-voltage line has during fault-free operation.
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