Patents by Inventor Guenter HAY

Guenter HAY 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 operating a petrol engine, in particular of a motor vehicle, and motor vehicle
    Patent number: 11415033
    Abstract: A method for operating a petrol engine, in which air is introduced into an exhaust tract through which exhaust gas from the petrol engine can flow, bypassing the petrol engine, includes introducing the air into the exhaust tract at a point arranged downstream of a first three-way catalytic converter arranged in the exhaust tract and upstream of a second three-way catalytic converter arranged in the exhaust tract downstream of the first three-way catalytic converter, while the petrol engine is operated with a sub-stoichiometric combustion air ratio, where a desulphurization of the second three-way catalytic converter is effected.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: August 16, 2022
    Assignee: Daimler AG
    Inventors: Guenter Hay, Kai Hoffmann, Tobias Schoeffler, Michael Stiller
  • Method for Operating a Petrol Engine, in Particular of a Motor Vehicle, and Motor Vehicle
    Publication number: 20210003057
    Abstract: A method for operating a petrol engine, in which air is introduced into an exhaust tract through which exhaust gas from the petrol engine can flow, bypassing the petrol engine, includes introducing the air into the exhaust tract at a point arranged downstream of a first three-way catalytic converter arranged in the exhaust tract and upstream of a second three-way catalytic converter arranged in the exhaust tract downstream of the first three-way catalytic converter, while the petrol engine is operated with a sub-stoichiometric combustion air ratio, where a desulphurization of the second three-way catalytic converter is effected.
    Type: Application
    Filed: March 5, 2019
    Publication date: January 7, 2021
    Applicant: Daimler AG
    Inventors: Guenter HAY, Kai HOFFMANN, Tobias SCHOEFFLER, Michael STILLER