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:
Jul. 14, 2009
Filed:
Dec. 22, 2004
Björn Westerberg, Södertälje, SE;
Björn Westerberg, Södertälje, SE;
Scania CV AB (publ), , SE;
Abstract
The invention relates to a method and device () for controlling the injection of reducing agent upstream from a catalyst () in an exhaust line () from a combustion engine. According to the invention, the injection of reducing agent in the exhaust line is controlled on the basis of result of comparison between a calculated accumulation actual value (A) and a calculated accumulation setpoint value (A). The invention also relates to a computer program comprising program code for implementing said method, a computer program product comprising a medium which is readable by an electronic control unit and has stored on it a computer program intended to cause an electronic control unit to implement said method, and an electronic control unit.