Patents by Inventor Christopher C Wright

Christopher C Wright 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).

  • Emissions conformance for an exhaust after-treatment system having a dosing agent supply
    Patent number: 7946109
    Abstract: An exhaust after-treatment system for a vehicle including a dosing agent that is selectively injected into an exhaust from a dosing agent supply includes a first module that determines a level of a dosing agent source. A second module selectively impedes vehicle operation by adjusting an engine operating mode if the level of said dosing agent source is below a threshold level.
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: May 24, 2011
    Inventors: Michael A. Potter, Fabien G. Redon, Sherif H. El Tahry, Christopher C Wright, John A. Pinson
  • Emissions conformance for an exhaust after-treatment system having a dosing agent supply
    Publication number: 20080141659
    Abstract: An exhaust after-treatment system for a vehicle including a dosing agent that is selectively injected into an exhaust from a dosing agent supply includes a first module that determines a level of a dosing agent source. A second module selectively impedes vehicle operation by adjusting an engine operating mode if the level of said dosing agent source is below a threshold level.
    Type: Application
    Filed: December 14, 2006
    Publication date: June 19, 2008
    Inventors: Michael A. Potter, Fabien G. Redon, Sherif H. El Tahry, Christopher C. Wright, John A. Pinson
  • Intake manifold assembly
    Patent number: 7275511
    Abstract: An intake assembly is provided for a sequentially fired eight cylinder V-type internal combustion engine including a cylinder block having a first band of cylinders and a second bank of cylinders. The assembly includes first, second, third, and fourth intake plenums mounted with respect to the engine. The first bank of cylinders includes a first group of two cylinders that fire ninety crank angle degrees apart from each other and the second bank of cylinders includes a second group of two cylinders that fire ninety crank angle degrees apart from each other. The first and second intake plenums are operable to communicate intake air to a respective one cylinder of the first group of two cylinders. The third and fourth intake plenums are operable to communicate intake air to a respective one cylinder of the second group of two cylinders.
    Type: Grant
    Filed: July 26, 2006
    Date of Patent: October 2, 2007
    Assignee: GM Global Technology Operations, Inc.
    Inventors: Christopher C Wright, Robert J. Moran, Iain J. Read