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:
Nov. 17, 2015
Filed:
Nov. 07, 2011
Alf Degen, Meinersen, DE;
Valeri Seiler, Wahrenholz, DE;
Alf Degen, Meinersen, DE;
Valeri Seiler, Wahrenholz, DE;
Volkswagen Aktiengesellschaft, Wolfsburg, DE;
Abstract
The invention relates to an exhaust system () for an internal combustion engine, having an exhaust gas path which, at least in sections, has two parallel exhaust ducts (), specifically a main duct () and a secondary duct (), wherein a HC adsorber () for the reversible adsorption of unburned hydrocarbons (HC) is provided in the secondary duct (); having a setting means () for selectively conducting an exhaust gas flow into the main duct () and/or into the secondary duct (), and having a main catalytic converter () arranged downstream of the parallel exhaust ducts (). It is intended that a catalytic exhaust gas converter () for converting at least one exhaust gas component is provided in the main duct () of the parallel exhaust ducts ().