Patents by Inventor Michael Gwidt

Michael Gwidt 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).

  • Gasoline reid vapor pressure detection system and method for a vehicle propulsion system
    Patent number: 10697390
    Abstract: A vehicle propulsion system includes a first pump having an inlet for receiving fuel from a fuel reservoir and an outlet for providing pressurized fuel to a fuel feed line at a first pressure, a fuel feed line pressure sensor, a second pump having an inlet for receiving fuel from the fuel feed line and an outlet for providing pressurized fuel to an engine fuel rail at a second pressure, the second pressure being higher than the first pressure, a fuel temperature sensor, and a controller controlling the first pump to reduce the pressure of the fuel in the fuel feed line and determining whether the pressure of the fuel in the fuel feed line has reached a vaporization pressure of a component in the fuel.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: June 30, 2020
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Dale F. Klein, Andrew M. Shaw, Michael Gwidt
  • GASOLINE REID VAPOR PRESSURE DETECTION SYSTEM AND METHOD FOR A VEHICLE PROPULSION SYSTEM
    Publication number: 20190309701
    Abstract: A vehicle propulsion system includes a first pump having an inlet for receiving fuel from a fuel reservoir and an outlet for providing pressurized fuel to a fuel feed line at a first pressure, a fuel feed line pressure sensor, a second pump having an inlet for receiving fuel from the fuel feed line and an outlet for providing pressurized fuel to an engine fuel rail at a second pressure, the second pressure being higher than the first pressure, a fuel temperature sensor, and a controller controlling the first pump to reduce the pressure of the fuel in the fuel feed line and determining whether the pressure of the fuel in the fuel feed line has reached a vaporization pressure of a component in the fuel.
    Type: Application
    Filed: April 6, 2018
    Publication date: October 10, 2019
    Inventors: Dale F. Klein, Andrew M. Shaw, Michael Gwidt