Patents by Inventor Valerie A. Nelson

Valerie A. Nelson 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).

  • INTERNAL COMBUSTION ENGINE WITH VARIABLE SPEED COOLANT PUMP
    Publication number: 20090205588
    Abstract: An internal combustion engine has a variable speed coolant pump which is operated at a variable duty-cycle at lower coolant temperatures, while transitioning to a predetermined fixed speed during a final warmup period of operation, and finally to a select-speed operation at one of a selected number of steady state operating speeds selected as a function of at least engine load.
    Type: Application
    Filed: February 15, 2008
    Publication date: August 20, 2009
    Inventors: John P. Bilezikjian, Thomas J. Cusumano, Valerie A. Nelson, Ken J. Jackson, Elmer S. Foster, JR., William S. Schwartz, Brian D. Rutkowski