Patent Number: 6,293,260

Title: Method and device for regenerating a fuel vapor filter for a directinjection engine

Abstract: The present invention relates to a process for regenerating a fuel vaporfilter for a direct injection engine, and to a corresponding device. Theprocess according to the invention comprises the following steps, whilethe engine is running on stratified charge:authorizing the purging of the fuel vapor filter (18),letting the fuel vapors into at least one of the cylinders (11), andperforming homogeneous combustion in the cylinder receiving the fuelvapors.The invention also relates to a corresponding device (24). This devicecomprises, in particular, a pump (19) allowing the fuel vapors to becirculated from the filter (18) to the cylinders (11).

Inventors: Atanasyan; Alain (Pibrac, FR)


International Classification:

Expiration Date: 09/25/2013