Patents by Inventor William Edward Ortell

William Edward Ortell 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).

  • Air/fuel control system and method
    Patent number: 6138655
    Abstract: An air/ratio control system and method for an internal combustion engine coupled to a fuel vapor recovery system simultaneously maps a difference between a desired air/fuel ratio and a measured air/fuel ratio to fueling errors and a purge vapor flow. This system and method maximizes the ability to purge the vapor recovery system while maintaining the ability to diagnose fuel errors.
    Type: Grant
    Filed: November 10, 1999
    Date of Patent: October 31, 2000
    Assignee: Ford Global Technologies, Inc.
    Inventors: James Michael Kerns, William Edward Ortell, Xiao Wu
  • Air/fuel control system and method
    Patent number: 6102018
    Abstract: An air/ratio control system and method for an internal combustion engine coupled to a fuel vapor recovery system simultaneously maps a difference between a desired air/fuel ratio and a measured air/fuel ratio to fueling errors and a purge vapor flow. This system and method maximizes the ability to purge the vapor recovery system while maintaining the ability to diagnose fuel errors.
    Type: Grant
    Filed: April 6, 1998
    Date of Patent: August 15, 2000
    Assignee: Ford Global Technologies, Inc.
    Inventors: James Michael Kerns, William Edward Ortell, Xiao Wu