Patents by Inventor Alexander Ullmann

Alexander Ullmann 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).

  • Internal combustion engine and associated operational method
    Patent number: 8899042
    Abstract: The present invention relates to an internal combustion engine and operating method. The internal combustion engine includes a fresh air system for the supplying of fresh air to at least one combustion chamber; an exhaust gas system for the carrying away of exhaust gas from the at least one combustion chamber; an exhaust gas recycling system for the recycling the exhaust gas from the exhaust gas system into the fresh air system; and at least one additional valve, configured in the fresh air system upstream of at least one inlet valve associated with the at least one combustion chambers. A control device is configured to actuate at least one additional valve such that at least one of a particle content in the exhaust gas and a fuel consumption of the internal combustion engine are at least one of optimum and optimal comprise for at least one environmental parameter.
    Type: Grant
    Filed: May 4, 2010
    Date of Patent: December 2, 2014
    Assignee: Mahle International GmbH
    Inventors: Alfred Elsässer, Alexander Ullmann, Marco Warth
  • INTERNAL COMBUSTION ENGINE AND ASSOCIATED OPERATIONAL METHOD
    Publication number: 20120124997
    Abstract: The present invention relates to an internal combustion engine and operating method. The internal combustion engine includes a fresh air system for the supplying of fresh air to at least one combustion chamber; an exhaust gas system for the carrying away of exhaust gas from the at least one combustion chamber; an exhaust gas recycling system for the recycling the exhaust gas from the exhaust gas system into the fresh air system; and at least one additional valve, configured in the fresh air system upstream of at least one inlet valve associated with the at least one combustion chambers. A control device is configured to actuate at least one additional valve such that at least one of a particle content in the exhaust gas and a fuel consumption of the internal combustion engine are at least one of optimum and optimal comprise for at least one environmental parameter.
    Type: Application
    Filed: May 4, 2010
    Publication date: May 24, 2012
    Inventors: Alfred Elsässer, Alexander Ullmann, Marco Warth