Patents by Inventor Frederic Lippens

Frederic Lippens 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).

  • Publication number: 20100132334
    Abstract: A method for monitoring regeneration of a pollution-removal system, relying on introduction of fuel into exhaust gases by delayed injections of fuel into certain combustion chambers of an engine and/or direct injections into an exhaust system upstream of a filter depending on an inlet temperature of the system. Introduced fuel delivery is assigned to direct injections into the exhaust system and/or to delayed injections into the combustion chamber according to the value of the wall temperature of the exhaust system.
    Type: Application
    Filed: March 30, 2007
    Publication date: June 3, 2010
    Applicant: RENAULT S.A.S.
    Inventors: Jean-Marc Duclos, Frederic Lippens, Mohammed Ouazzani-Chahdi