Patents by Inventor Frank Stegemann

Frank Stegemann 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).

  • Tank ventilation and cooling system for hybrid vehicles
    Patent number: 9004045
    Abstract: A deaeration and cooling system for a fuel tank of an internal combustion engine includes an absorption refrigerator configured to cool fuel in the fuel tank. The absorption refrigerator includes a burner, an evaporator and an exhaust-gas heat exchanger. Thermal energy for operating the absorption refrigerator is obtained from the combustion of evaporated fuel. The evaporated fuel is removed from the fuel tank and supplied to the burner of the absorption refrigerator.
    Type: Grant
    Filed: February 27, 2012
    Date of Patent: April 14, 2015
    Assignee: Iav GmbH Ingenieurgesellschaft Auto und Verkehr
    Inventors: Joachim Seydell, Markus Seemayer, Frank Stegemann, Olaf Magnor, Daniel Beese, Daniel Reitebuch, Matthias Schultalbers
  • TANK VENTILATION AND COOLING SYSTEM FOR HYBRID VEHICLES
    Publication number: 20130340725
    Abstract: A deaeration and cooling system for a fuel tank of an internal combustion engine includes an absorption refrigerator configured to cool fuel in the fuel tank. The absorption refrigerator includes a burner, an evaporator and an exhaust-gas heat exchanger. Thermal energy for operating the absorption refrigerator is obtained from the combustion of evaporated fuel. The evaporated fuel is removed from the fuel tank and supplied to the burner of the absorption refrigerator.
    Type: Application
    Filed: February 27, 2012
    Publication date: December 26, 2013
    Applicant: IAV GMBH INGENIEURGESELLSCHAFT AUTO UND VERKEHR
    Inventors: Joachim Seydell, Markus Seemayer, Frank Stegemann, Olaf Magnor, Daniel Beese, Daniel Reitebuch, Matthias Schultalbers