Patents by Inventor Jochen Grieser

Jochen Grieser 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).

  • Method for controlling a regeneration of a particle filter of an internal combustion engine
    Patent number: 10577998
    Abstract: A method and system controls a regeneration of a particle filter of an internal combustion engine. A first value is measured for the oxygen content in exhaust gas upstream from the particle filter. A second value is measured for the oxygen content in exhaust gas downstream from the particle filter. The particle filter is determined to be free of soot when the second value for the oxygen content is equal to the first value for the oxygen content.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: March 3, 2020
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Alexander Michel, Rafat F. Hattar, Jochen Grieser, Daniel Siebert, Maximilian Melling, Simon Schiesser, Markus Kraft
  • REMEDIAL ACTION FOR INVALID PARTICULATE FILTER SOOT
    Publication number: 20190376460
    Abstract: Technical solutions described herein includes an exhaust system for treating exhaust gas from an internal combustion engine in a motor vehicle. The exhaust system includes a gas particulate filter, and a controller that controls soot loading estimation for the gas particulate filter. Controlling the soot loading estimation includes checking validity of soot loading estimation, and in response to the soot loading estimation being invalid, initiating a remedial action to limit soot deposition on the gas particulate filter. The remedial action includes determining a temperature at an inlet of the gas particulate filter, and if the temperature is within a predetermined range, inhibiting a deceleration fuel cut off of the internal combustion engine.
    Type: Application
    Filed: June 8, 2018
    Publication date: December 12, 2019
    Inventors: Alexander Michel, Simon Schiesser, Daniel Siebert, Rafat F. Hattar, Jochen Grieser, Markus Kraft
  • METHOD FOR REGENERATING A PARTICLE FILTER FOR AN INTERNAL COMBUSTION ENGINE
    Publication number: 20190010882
    Abstract: A method and system for regenerating a gasoline particle filter of an internal combustion engine is provided in which a value (Q) for a quantity of soot collected inside of the gasoline particle filter and a value (T) for a temperature of the gasoline particle filter are determined. The internal combustion engine is operated in a lean mode when the value (Q) for the soot quantity is greater than a first threshold, and the value (T) for the temperature of the gasoline particle filter is greater than a threshold.
    Type: Application
    Filed: July 9, 2018
    Publication date: January 10, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Alexander Michel, Jochen Grieser, Rafat Hattar, Markus Kraft, Simon Schiesser, Daniel Siebert
  • METHOD FOR CONTROLLING A REGENERATION OF A PARTICLE FILTER OF AN INTERNAL COMBUSTION ENGINE
    Publication number: 20180347434
    Abstract: A method and system controls a regeneration of a particle filter of an internal combustion engine. A first value is measured for the oxygen content in exhaust gas upstream from the particle filter. A second value is measured for the oxygen content in exhaust gas downstream from the particle filter. The particle filter is determined to be free of soot when the second value for the oxygen content is equal to the first value for the oxygen content.
    Type: Application
    Filed: June 1, 2018
    Publication date: December 6, 2018
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Alexander Michel, Rafat F. Hattar, Jochen Grieser, Daniel Siebert, Maximilian Melling, Simon Schiesser, Markus Kraft