Patents by Inventor Oivind Andersson

Oivind Andersson 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).

  • Patent number: 7334562
    Abstract: A method is shown for operating an internal combustion engine having a combustion chamber with a piston, the internal combustion engine capable of injecting fuel into the combustion chamber multiple times during a cycle, the method comprising: performing a first fuel injection after approximately ?25 crank angle degrees after top dead center and before approximately 15 crank angle degrees after top dead center; and performing a second fuel injection at least 5 degrees after the start of the first fuel injection and less than approximately 25 crank angle degrees after the start of the first fuel injection.
    Type: Grant
    Filed: October 24, 2005
    Date of Patent: February 26, 2008
    Assignee: Ford Global Technologies LLC
    Inventors: Lisa Marie Jacobsson, Oivind Andersson
  • Publication number: 20070089704
    Abstract: A method is shown for operating an internal combustion engine having a combustion chamber with a piston, the internal combustion engine capable of injecting fuel into the combustion chamber multiple times during a cycle, the method comprising: performing a first fuel injection after approximately ?25 crank angle degrees after top dead center and before approximately 15 crank angle degrees after top dead center; and performing a second fuel injection at least 5 degrees after the start of the first fuel injection and less than approximately 25 crank angle degrees after the start of the first fuel injection.
    Type: Application
    Filed: October 24, 2005
    Publication date: April 26, 2007
    Inventors: Lisa Jacobsson, Oivind Andersson