Patents by Inventor Pierrick Rouille

Pierrick Rouille 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).

  • Patent number: 8398851
    Abstract: The invention relates to a device and to a method for determining the proportion of fuel in a combustion engine lubricating oil. The device according to the invention comprises a column (12) with at least 22000 theoretical plates and a steady state phase capable of separating the fuel, the oil, the internal standard contained in the oil and the solvent, in which the oil and the internal standard are diluted, and a heating module (120) capable of causing an increase in the temperature of the column (12) at a rate of at least 350° C./min. In the method according to the invention, the column (12) is subjected to determined cycles during which the pressure of the carrier gas and the temperature are varied.
    Type: Grant
    Filed: July 7, 2008
    Date of Patent: March 19, 2013
    Assignee: Renault S.A.S.
    Inventors: Laurent Tiquet, Pierrick Rouille
  • Publication number: 20110100092
    Abstract: The invention relates to a device and to a method for determining the proportion of fuel in a combustion engine lubricating oil. The device according to the invention comprises a column (12) with at least 22000 theoretical plates and a steady state phase capable of separating the fuel, the oil, the internal standard contained in the oil and the solvent, in which the oil and the internal standard are diluted, and a heating module (120) capable of causing an increase in the temperature of the column (12) at a rate of at least 350° C./min. In the method according to the invention, the column (12) is subjected to determined cycles during which the pressure of the carrier gas and the temperature are varied.
    Type: Application
    Filed: July 7, 2008
    Publication date: May 5, 2011
    Applicant: RENAULT S.A.S.
    Inventors: Laurent Tiquet, Pierrick Rouille