The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 26, 2010
Filed:
Dec. 15, 2005
Jacques Lavy, Serpaize, FR;
Jean-baptiste Dementhon, Paris, FR;
Daniel Blancotto, Saint-Maurice, FR;
Turkay Erol, La Varene Saint-Hilaire, FR;
Jacques Lavy, Serpaize, FR;
Jean-Baptiste Dementhon, Paris, FR;
Daniel Blancotto, Saint-Maurice, FR;
Turkay Erol, La Varene Saint-Hilaire, FR;
Institut Francais du Petrole, Rueil-Malmaison Cedex, FR;
Airmees, Vigneux sur Seine, FR;
Abstract
The present invention relates to a method for regenerating a particle filter () arranged in the exhaust line () of an internal-combustion engine, notably of diesel type, wherein the clogging state of the filter is evaluated, this state is compared with a threshold value, then, if this threshold value is exceeded, a fluid and a fuel are mixed together, this mixture is subjected to catalytic combustion to generate the hot gases required for regeneration of the filter and regeneration of the filter is carried out by means of hot gases flowing through said filter and whose temperature is sufficiently high to provide combustion of the particles retained in this filter. According to the invention, prior to mixing the fluid and the fuel, the temperature of the fluid is raised up to the catalytic combustion light-off temperature.