Patents by Inventor Leonardo da Mata Guimaraes

Leonardo da Mata Guimaraes 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).

  • Publication number: 20130311066
    Abstract: Methods and systems are provided for a vehicle engine. One example method comprises delivering a first fuel to an engine cylinder at least partially during an intake stroke, and initiating combustion in the cylinder via injection of a second fuel into the cylinder. Responsive to an indication of uncontrolled combustion of pre-mixed first fuel and air in the cylinder, wherein the uncontrolled combustion is onset by the initiated combustion of the second fuel, amounts of the first fuel relative to the second fuel in the cylinder are adjusted.
    Type: Application
    Filed: May 17, 2012
    Publication date: November 21, 2013
    Inventors: Leonardo da Mata Guimaraes, Ronald Gene Billig