Patents by Inventor BRADLEY C. GIBSON

BRADLEY C. GIBSON 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).

  • Fault diagnostic systems and methods using oxygen sensor impedance
    Patent number: 9297843
    Abstract: A diagnostic system of a vehicle includes an impedance module and a diagnostic module. The impedance module determines an impedance of a sensing element of an exhaust gas oxygen sensor based on a response of the sensing element to a change in current through the sensing element. The diagnostic module selectively diagnoses a fault associated with the exhaust gas oxygen sensor based on the impedance of the sensing element.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: March 29, 2016
    Assignee: GM Global Technology Operations LLC
    Inventors: Bradley C. Gibson, Eric M. Hall, John W. Siekkinen, Stephen Paul Levijoki
  • FAULT DIAGNOSTIC SYSTEMS AND METHODS USING OXYGEN SENSOR IMPEDANCE
    Publication number: 20140278013
    Abstract: A diagnostic system of a vehicle includes an impedance module and a diagnostic module. The impedance module determines an impedance of a sensing element of an exhaust gas oxygen sensor based on a response of the sensing element to a change in current through the sensing element. The diagnostic module selectively diagnoses a fault associated with the exhaust gas oxygen sensor based on the impedance of the sensing element.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: GM Global Technology Operations LLC
    Inventors: BRADLEY C. GIBSON, Eric M. Hall, John W. Siekkinen, Stephen Paul Levijoki