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. 01, 2016
Filed:
Feb. 24, 2010
Georg Hüthwohl, Soest, DE;
Georg Hüthwohl, Soest, DE;
Albonair GmbH, Dortmund, DE;
Abstract
The invention relates to a reducing agent metering system, and to a method for controlling the injection of a reducing agent into the exhaust gas flow () of a turbocharged internal combustion engine for selective catalytic reduction, wherein the metering system can be connected to a reducing agent tank (), from which reducing agent can be removed, wherein the metering system comprises at least one nozzle () through which the reducing agent can be injected by means of compressed air into the exhaust gas flow (), wherein at least one part of the compressed air is taken from a charger of the internal combustion engine, wherein the compressed air supply () comprises an electric air pump () for generating compressed air, and comprises a bypass () in parallel with the air pump (), so that the charge air of the turbocharger flows over or can flow over the air pump ().