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. 19, 2012
Filed:
Feb. 26, 2009
Friedrich Zapf, Karlstadt, DE;
Heico Stegmann, Wuerzburg, DE;
Andreas Lannig, Kreuzwertheim, DE;
Klaus Lang, Klingenberg, DE;
Christian Schmidt, Obernbreit, DE;
Alexandre Branco, Schwebheim, DE;
Friedrich Zapf, Karlstadt, DE;
Heico Stegmann, Wuerzburg, DE;
Andreas Lannig, Kreuzwertheim, DE;
Klaus Lang, Klingenberg, DE;
Christian Schmidt, Obernbreit, DE;
Alexandre Branco, Schwebheim, DE;
Hilite Germany GmbH, Marktheidenfeld, DE;
Abstract
The invention relates to an exhaust-gas aftertreatment device, comprising a control unit () for controlling a diaphragm pump () that draws a urea/water solution out of a circuit and pumps it, via a pressure filter (), to a metering unit comprising an atomizing nozzle for atomizing the urea/water solution into an exhaust-gas stream. In advantageous developments, the metering unit comprises a metering valve, including an atomizing nozzle, a pressure and temperature sensor, a heating means and a return baffle.