Patents by Inventor Denny Schaedlich
Denny Schaedlich 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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Publication number: 20210285350Abstract: Various embodiments include a catalyst measuring system for determining the aging of an SCR catalytic converter, the system comprising: a control device with a processor; an SCR catalytic converter for treating the exhaust gases of a vehicle; a high-frequency sensor for measuring a level of ammonia loading of the SCR catalytic converter; and an ammonia dosing system for injecting ammonia into an exhaust system of the vehicle. The control device instructs the ammonia dosing system to inject ammonia selectively into the exhaust system. The control device compares data measured by the high-frequency sensor with a predefined threshold value to determine the aging of the SCR catalytic converter.Type: ApplicationFiled: September 26, 2017Publication date: September 16, 2021Applicant: CPT Group GmbHInventors: Ralf Moos, Willibald Reitmeier, Markus Dietrich, Denny Schädlich, Markus Hein, Katharina Burger, Gunter Hagen
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Patent number: 10539060Abstract: Various embodiments include a catalyst measuring system for on-board diagnostics and for determining the aging of an SCR catalytic converter for a vehicle comprising: a processor; an SCR catalytic converter for purifying exhaust gas of the vehicle; a high-frequency sensor for determining the ammonia loading of the SCR catalytic converter; a NOx sensor for sensing the NOx concentration downstream of the SCR catalytic converter; and an ammonia dosing system for injecting ammonia into an exhaust system of the vehicle. The control device instructs the ammonia dosing system to inject ammonia selectively into the exhaust system at a plurality of different dosing rates. The control device evaluates data received from the NOx sensor and of the high-frequency sensor to calculate the ammonia dosing rate.Type: GrantFiled: August 2, 2017Date of Patent: January 21, 2020Assignee: CPT GROUP GMBHInventors: Ralf Moos, Willibald Reitmeier, Markus Dietrich, Denny Schädlich, Markus Hien, Katharina Burger
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Patent number: 10393717Abstract: A method and apparatus for compensates for oxygen sensor aging determines a correction of by measuring oxygen content above a specified threshold value and measuring current flowing through the sensor over time.Type: GrantFiled: June 12, 2017Date of Patent: August 27, 2019Assignee: Continental Automotive GmbHInventors: Johannes Ante, Markus Hien, Denny Schädlich
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Publication number: 20190249587Abstract: Various embodiments include a catalyst measuring system for determining the aging state of a catalytic converter comprising: an SCR catalytic converter; and a high-frequency measuring arrangement including a processor, a first antenna, and a second antenna. The first antenna is located upstream of the SCR catalytic converter in the exhaust tract and the second antenna is located downstream of the catalytic converter. The processor instructs the antennas to selectively emit and receive electromagnetic signals and evaluates the transmitted and the received electromagnetic signals to compare them with predefined threshold values. The processor determines an aging state of the SCR catalytic converter based on the comparison.Type: ApplicationFiled: September 18, 2017Publication date: August 15, 2019Applicant: CPT Group GmbHInventors: Ralf Moos, Willibald Reitmeier, Markus Dietrich, Denny Schädlich, Markus Hein, Katharina Burger
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Publication number: 20190226382Abstract: Various embodiments include a catalyst measuring system for on-board diagnostics and for determining the aging of an SCR catalytic converter for a vehicle comprising: a processor; an SCR catalytic converter for purifying exhaust gas of the vehicle; a high-frequency sensor for determining the ammonia loading of the SCR catalytic converter; a NOx sensor for sensing the NOx concentration downstream of the SCR catalytic converter; and an ammonia dosing system for injecting ammonia into an exhaust system of the vehicle. The control device instructs the ammonia dosing system to inject ammonia selectively into the exhaust system at a plurality of different dosing rates. The control device evaluates data received from the NOx sensor and of the high-frequency sensor to calculate the ammonia dosing rate.Type: ApplicationFiled: August 2, 2017Publication date: July 25, 2019Applicant: CPT Group GmbHInventors: Ralf Moos, Willibald Reitmeier, Markus Dietrich, Denny Schädlich, Markus Hein, Katharina Burger
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Patent number: 10234322Abstract: The specification discloses a device for introducing a freezable liquid into the exhaust gas system of a motor vehicle. The device may include a tank for accommodating the freezable liquid, a sensor for determining the concentration and/or the filling level of the freezable liquid in the tank, and a dome-shaped ice protector. The sensor may be arranged at least partially in the tank, on the floor thereof. The dome-shaped ice protector may have rounded side faces which run together in the upward direction and have the purpose of protecting the part of the sensor which is located in the tank. The ice protector may be embodied in one piece with a floor plate of the sensor or with the tank floor and the dome of the ice protector has a completely open upper side.Type: GrantFiled: September 25, 2014Date of Patent: March 19, 2019Assignee: CONTINENTAL AUTOMOTIVE GMBHInventors: Ronny Stangl, Stephan Heinrich, Denny Schaedlich
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Patent number: 9885597Abstract: The present disclosure describes a tank comprising an ultrasonic sensor, a first cylindrical reflector, and a second cylindrical reflector. The ultrasonic sensor may be disposed on the floor of the tank for measuring the signal propagation time through a liquid located in the tank and comprise a transmitter/receiver.Type: GrantFiled: September 23, 2014Date of Patent: February 6, 2018Assignee: CONTINENTAL AUTOMOTIVE GMBHInventors: Ronny Stangl, Stephan Heinrich, Denny Schaedlich
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Patent number: 9850804Abstract: A coolant circuit for an internal combustion engine includes: a coolant pump; at least one coolant line; a radiator; and a coolant cavity delimited in the internal combustion engine. The coolant pump, the coolant line, the radiator and the coolant cavity are filled with a coolant. One or more sensors, configured to monitor the coolant concentration, are fixedly and permanently arranged in and/or on the coolant circuit.Type: GrantFiled: December 9, 2013Date of Patent: December 26, 2017Assignee: Continental Automotive GmbHInventors: Stephan Heinrich, Denny Schädlich, Andreas Wildgen
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Publication number: 20170356894Abstract: A method and apparatus for compensates for oxygen sensor aging determines a correction of by measuring oxygen content above a specified threshold value and measuring current flowing through the sensor over time.Type: ApplicationFiled: June 12, 2017Publication date: December 14, 2017Applicant: CONTINENTAL AUTOMOTIVE GMBHInventors: Johannes Ante, Markus Hien, Denny Schädlich
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Patent number: 9841309Abstract: In a method for measuring the fill level of a fluid in a housing using an ultrasound sensor, detected multiple echoes in relation to a signal are reflected from a reference point and level echoes in relation to the signal reflected from the fluid level are evaluated in relation to their fluctuation width. The level echoes can be identified in this manner and the fill level determined from the transit times of the signals to the reference point and to the fluid level.Type: GrantFiled: May 6, 2013Date of Patent: December 12, 2017Assignee: Continental Automotive GmbHInventors: Philippe Grass, Stephan Heinrich, Markus Herrmann, Torsten Reitmeier, Denny Schädlich
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Patent number: 9464555Abstract: A system for determining a regeneration phase of an exhaust gas particulate filter for an internal combustion engine may include a temperature sensor for detecting an elevated exhaust gas temperature, a sensor for detecting the particulate content in the exhaust gas stream exiting from the exhaust gas particulate filter, and a processing device for determining the regeneration phase on the basis of the detected values. A method for determining a regeneration phase of an exhaust gas particulate filter for an internal combustion engine may include detecting an elevated exhaust gas temperature, sampling a signal from a sensor for detecting the particulate content in the exhaust gas stream exiting from the exhaust gas particulate filter, detecting that the particulate content is elevated, and determining the regeneration phase.Type: GrantFiled: November 7, 2012Date of Patent: October 11, 2016Assignee: CONTINENTAL AUTOMOTIVE GMBHInventors: Johannes Ante, Marcus Herrmann, Willibald Reitmeier, Denny Schaedlich
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Publication number: 20160238429Abstract: The specification discloses a device for introducing a freezable liquid into the exhaust gas system of a motor vehicle. The device may include a tank for accommodating the freezable liquid, a sensor for determining the concentration and/or the filling level of the freezable liquid in the tank, and a dome-shaped ice protector. The sensor may be arranged at least partially in the tank, on the floor thereof. The dome-shaped ice protector may have rounded side faces which run together in the upward direction and have the purpose of protecting the part of the sensor which is located in the tank. The ice protector may be embodied in one piece with a floor plate of the sensor or with the tank floor and the dome of the ice protector has a completely open upper side.Type: ApplicationFiled: September 25, 2014Publication date: August 18, 2016Applicant: Continental Automotive GmbHInventors: Ronny Stangl, Stephan Heinrich, Denny Schaedlich
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Publication number: 20160216148Abstract: The present disclosure describes a tank comprising an ultrasonic sensor, a first cylindrical reflector, and a second cylindrical reflector. The ultrasonic sensor may be disposed on the floor of the tank for measuring the signal propagation time through a liquid located in the tank and comprise a transmitter/receiver.Type: ApplicationFiled: September 23, 2014Publication date: July 28, 2016Applicant: Continental Automotive GmbHInventors: Ronny Stangl, Stephan Heinrich, Denny Schaedlich
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Patent number: 9399967Abstract: A particle sensor arranged in an exhaust duct such that particles from the exhaust-gas flow accumulate on and/or between at least two sensor electrodes when a voltage greater than a limit voltage is applied between the two sensor electrodes and substantially no particles accumulate if the voltage is lower than the limit voltage. During a first time period, a first voltage greater than the limit voltage is applied between the sensor electrodes. During a second time period, a second voltage, lower than the limit voltage, is applied between the sensor electrodes, and/or the particle sensor is heated to a predefined temperature, such that substantially no particles accumulate on and/or between the at least two sensor electrodes. Following the second time period, a third voltage greater than the limit voltage is applied between the sensor electrodes.Type: GrantFiled: March 9, 2012Date of Patent: July 26, 2016Assignee: Continental Automotive GmbHInventors: Johannes Ante, Markus Herrmann, Andreas Ott, Willibald Reitmeier, Denny Schädlich, Manfred Weigl, Andreas Wildgen
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Publication number: 20150369116Abstract: A coolant circuit for an internal combustion engine includes: a coolant pump; at least one coolant line; a radiator; and a coolant cavity delimited in the internal combustion engine. The coolant pump, the coolant line, the radiator and the coolant cavity are filled with a coolant. One or more sensors, configured to monitor the coolant concentration, are fixedly and permanently arranged in and/or on the coolant circuit.Type: ApplicationFiled: December 9, 2013Publication date: December 24, 2015Inventors: Stephan HEINRICH, Denny SCHÄDLICH, Andreas WILDGEN
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Patent number: 9217351Abstract: A method for operating a selective catalytic reduction (SCR) system having a urea solution supply and an ultrasound based urea concentration sensor, the measurement signal of the urea concentration sensor being representative of a propagation time of an ultrasonic pulse along a predefined path length in a fluid of the urea solution supply includes: heating at least the fluid in a detection region of the urea concentration sensor from a predefined first temperature to a predefined second temperature; during the heating, detecting the measurement signal at at least a third and fourth temperature, and in each case determining a raw concentration characteristic value as a function of the respective measurement signal, which raw concentration characteristic value is representative of the propagation time of the ultrasonic pulse; and determining a concentration characteristic value, representative of a concentration of urea in the fluid, as a function of the raw concentration characteristic values.Type: GrantFiled: May 21, 2012Date of Patent: December 22, 2015Assignee: Continental Automotive GmbHInventors: Philippe Grass, Denny Schädlich
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Patent number: 9194835Abstract: A method and device for determining a fuel portion in a motor oil of a motor vehicle. The motor oil is brought between at least two electrodes forming a capacitor. The capacitance of the capacitor is determined while the motor oil is located between the electrodes, and the fuel portion in the motor oil is determined from the capacitance of the capacitor.Type: GrantFiled: November 10, 2008Date of Patent: November 24, 2015Assignees: Continental Automotive GmbH, Continental Automotive FranceInventors: Rudolf Bierl, Philippe Grass, Jan Haag, Armin Hollstein, Denny Schädlich
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Patent number: 9097151Abstract: A method and device for measuring the soot load in the exhaust gas systems of diesel engines using a sensor which is mounted downstream of a particulate filter and comprises a sensor element, to measure the operability of the particulate filter. According to the method, the soot load of the sensor element is measured resistively or capacitively using electrodes. The measuring voltage of the sensor element is controlled depending on at least one actual operating parameter of the diesel engine.Type: GrantFiled: February 1, 2010Date of Patent: August 4, 2015Assignee: Continental Automotive GmbHInventors: Johannes Ante, Rudolf Bierl, Stephan Heinrich, Markus Herrmann, Andreas Ott, Willibald Reitmeier, Denny Schädlich, Manfred Weigl, Andreas Wildgen
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Publication number: 20150107354Abstract: In a method for measuring the fill level of a fluid in a housing using an ultrasound sensor, detected multiple echoes in relation to a signal are reflected from a reference point and level echoes in relation to the signal reflected from the fluid level are evaluated in relation to their fluctuation width. The level echoes can be identified in this manner and the fill level determined from the transit times of the signals to the reference point and to the fluid level.Type: ApplicationFiled: May 6, 2013Publication date: April 23, 2015Inventors: Philippe Grass, Stephan Heinrich, Markus Herrmann, Torsten Reitmeier, Denny Schädlich
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Publication number: 20150033707Abstract: A system for determining a regeneration phase of an exhaust gas particulate filter for an internal combustion engine may include a temperature sensor for detecting an elevated exhaust gas temperature, a sensor for detecting the particulate content in the exhaust gas stream exiting from the exhaust gas particulate filter, and a processing device for determining the regeneration phase on the basis of the detected values. A method for determining a regeneration phase of an exhaust gas particulate filter for an internal combustion engine may include detecting an elevated exhaust gas temperature, sampling a signal from a sensor for detecting the particulate content in the exhaust gas stream exiting from the exhaust gas particulate filter, detecting that the particulate content is elevated, and determining the regeneration phase.Type: ApplicationFiled: November 7, 2012Publication date: February 5, 2015Inventors: Johannes Ante, Markus Herrmann, Willibald Reitmeier, Denny Schaedlich