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:
Mar. 12, 2013
Filed:
Sep. 12, 2008
Jean-claude Habumuremyi, Haaltert, BE;
Frederic Peucat, Brussels, BE;
Nicolas Duret, Nancy, FR;
Stephane Leonard, Brussels, BE;
Guillaume Zeller, Brussels, BE;
Jean-Claude Habumuremyi, Haaltert, BE;
Frederic Peucat, Brussels, BE;
Nicolas Duret, Nancy, FR;
Stephane Leonard, Brussels, BE;
Guillaume Zeller, Brussels, BE;
Inergy Automotive Systems Research, Brussels, BE;
Abstract
SCR system for treating the exhaust gases of an internal combustion engine, this system comprising a line for feeding a urea solution into the exhaust gases and a pump capable both of feeding the urea solution into the exhaust gases and of purging at least one part of the line by sucking a gas therethrough by means of a suction device, this system also comprising a control unit capable of activating and/or deactivating the operation of the pump and that of the suction device in a sequential manner in the course of one and the same purge procedure.