Patents by Inventor Frank Schipperijn

Frank Schipperijn 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).

  • Cold rattle reduction control system
    Publication number: 20070290644
    Abstract: A control system for controlling an electric machine (EM) of a hybrid electric vehicle is provided. The system includes: an enable module that selectively enables a motoring mode of the EM based on ambient air temperature; and an EM control module that commands the EM to provide motoring torque as a function of engine speed during the motoring mode.
    Type: Application
    Filed: June 16, 2006
    Publication date: December 20, 2007
    Inventors: Goro Tamai, Frank Schipperijn, William L. Aldrich, Dean A. Hauersperger, Steven A. Tervo, David J. Hajdyla