Patents by Inventor James C. Champlin

James C. Champlin 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).

  • Method for improving fuel economy and performance when deactivating cylinders with vehicle cruise control
    Patent number: 7233854
    Abstract: A method for controlling the speed in a vehicle includes adjusting at least one gain parameter based on a vehicle speed error and the displacement on demand mode of the engine. A new cruise throttle area is calculated from the adjusted gain parameter.
    Type: Grant
    Filed: September 13, 2004
    Date of Patent: June 19, 2007
    Assignee: General Motors Corporation
    Inventors: Allen B. Rayl, Dennis M. Weglarz, James C. Champlin, Nathan A. Wilmot, James G. Gehringer, William R. Venner, III