Patents by Inventor Kyle E Crawford

Kyle E Crawford 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 of operating a vehicle under frozen diesel emission fluid conditions
    Patent number: 9797288
    Abstract: A method of controlling a vehicle includes determining if a diesel emission fluid is at least partially frozen, and determining if the vehicle is currently operating in a low diesel emission fluid inducement protocol. If the vehicle is not currently operating in the low diesel emission fluid inducement protocol, and the diesel emission fluid is at least partially frozen, then a temporary minimum diesel emission fluid mass may be defined to prevent entry of the vehicle into the low diesel emission fluid inducement protocol.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: October 24, 2017
    Assignee: GM Global Technology Operations LLC
    Inventors: Rebecca J Darr, Paul Jasinkiewicz, Kyle E Crawford, Jason Daniel Mullins, Matthew King
  • Exhaust treatment diagnostic system and method
    Patent number: 8161808
    Abstract: A method and system for monitoring operation of an exhaust treatment system of a diesel engine includes a dosing system including an injector for injecting an injection fluid and a pump for pressurizing the injection fluid. The system also includes a pressure sensor in communication with the dosing system generating a pressure signal. The system further includes a control module that determines a pressure error signal in response to the pressure signal and generates a fault signal in response.
    Type: Grant
    Filed: February 24, 2009
    Date of Patent: April 24, 2012
    Inventors: Kyle E Crawford, Jason Daniel Mullins