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:
Oct. 29, 2019
Filed:
Mar. 20, 2015
Applicant:
Audi Ag, Ingolstadt, DE;
Inventor:
Axel Peters, Freising, DE;
Assignee:
AUDI AG, Ingolstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 1/16 (2006.01); F01N 1/02 (2006.01); F01N 13/02 (2010.01); F01N 13/04 (2010.01);
U.S. Cl.
CPC ...
F01N 1/161 (2013.01); F01N 1/02 (2013.01); F01N 1/023 (2013.01); F01N 13/02 (2013.01); F01N 13/04 (2013.01); F01N 2470/14 (2013.01); F01N 2470/20 (2013.01); F01N 2490/00 (2013.01);
Abstract
An exhaust gas system for an internal combustion engine includes a first exhaust gas line leading into a first muffler; a second exhaust gas line arranged fluidly parallel to the first exhaust gas line and leading into a second muffler, wherein the first and second exhaust gas lines are respectively connected upstream of the first and second muffler at a branch to a common exhaust gas feed line; a control valve arranged in the first exhaust gas line upstream of the first muffler; and a damping device fluidly arranged between the branch and the control valve and adapted for damping exhaust gas resonance vibrations.