Patents by Inventor Thierry Delvigne

Thierry Delvigne 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 and device for the continuous determination of damage to systems used for the post-treatment of heat engine exhaust gases
    Patent number: 7402800
    Abstract: The invention relates to a method for the continuous determination of the damage to at least one system (7) used for the post-treatment of exhaust gases from an internal combustion engine (2), caused by the lubricating oil, the fuel and/or at least one lubricating oil additive and/or fuel additive used.
    Type: Grant
    Filed: December 16, 2003
    Date of Patent: July 22, 2008
    Assignees: Total Fina Elf France, Delta Services Industriels S.P.R.L.
    Inventors: Thierry Delvigne, Jerome Obiols
  • Method and device for continuous determination of lubricating oil consumption of an internal combustion engine
    Patent number: 7291836
    Abstract: The invention relates to a method and device for the continuous determination of the lubricating oil consumption of an internal combustion engine. The inventive method consists in: placing a determined quantity of at least one radioactive tracer in the lubricating oil of which the consumption is to be measured; and measuring the quantity of radioactive tracer(s) present in the gases released from the engine (2), said measurement being taken downstream of the engine.
    Type: Grant
    Filed: September 5, 2003
    Date of Patent: November 6, 2007
    Assignees: Totalfinaelf France, Delta Services Industriels Sprl
    Inventors: Thierry Delvigne, Jerome Obiols
  • Method and device for the continuous determination of damage to systems used for the post-treatment of heat engine exhaust gases
    Publication number: 20060237640
    Abstract: The invention relates to a method for the continuous determination of the damage to at least one system (7) used for the post-treatment of exhaust gases from an internal combustion engine (2), caused by the lubricating oil, the fuel and/or at least one lubricating oil additive and/or fuel additive used.
    Type: Application
    Filed: December 16, 2003
    Publication date: October 26, 2006
    Applicants: Totalfinaelf France, Delta Services Industriels S.P.R.L.
    Inventors: Thierry Delvigne, Jerome Obiols
  • Method and device for continuous determination of lubricating oil consumption of an internal combustion engine
    Publication number: 20050268692
    Abstract: The invention relates to a method and device for the continuous determination of the lubricating oil consumption of an internal combustion engine. The inventive method consists in: placing a determined quantity of at least one radioactive tracer in the lubricating oil of which the consumption is to be measured; and measuring the quantity of radioactive tracer(s) present in the gases released from the engine (2), said measurement being taken downstream of the engine.
    Type: Application
    Filed: September 5, 2003
    Publication date: December 8, 2005
    Applicants: Totalfinaelf France, Delta Services Industriels SPRL
    Inventors: Thierry Delvigne, Jerome Obiols