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:
Jun. 16, 2015
Filed:
Jul. 29, 2013
Albonair Gmbh, Dortmund, DE;
Sascha Dolenec, Holzwickede, DE;
Albonair GmbH, Dortmund, DE;
Abstract
The invention relates to a reducing agent metering system for injection of a reducing agent into the exhaust gas flow of an internal combustion engine for selective catalytic reduction, with a delivery pump () by means of which the reducing agent is delivered from a reducing agent tank () via a delivery line () and is introduced into the exhaust gas flow of the internal combustion engine via at least one nozzle (), a metering chamber () being integrated into the delivery line () and being divided into two separate volumes () by means of a position-variable element (), each of the two volumes () having at least one input () and at least one output (). Furthermore the invention relates to a method for operating such a reducing agent metering system for injection of a reducing agent into the exhaust gas flow of an internal combustion engine for selective catalytic reduction.