Patents by Inventor Charlotte Lynch

Charlotte Lynch 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).

  • ENGINE COMPRISING A CATALYTIC CONVERTER WITH FAILSAFE OPERATION
    Publication number: 20090158708
    Abstract: The invention proposes an engine (11) comprising a catalytic converter (12c), a first probe (120) able to deliver a first signal (Vsp) proportional to the oxygen content of an exhaust gas and installed upstream of the converter, a second oxygen probe (130) downstream of the converter and able to provide a second signal (Vsb), and means (13) for making a diagnosis regarding the operating condition of the converter, characterized in that: the second oxygen probe (130) is of the on/off type and the means (13) are designed to convert the first signal (Vsp) into a third signal (Vspb) of the on/off type and to make the diagnosis on the basis of the second and third signals (Vsb, Vspb).
    Type: Application
    Filed: March 19, 2007
    Publication date: June 25, 2009
    Applicant: RENAULT S. A. S.
    Inventors: Charlotte Lynch, Stephane Bourret, Karim Guenounou, Bernard Dionnet