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. 10, 2020
Filed:
Mar. 21, 2019
Applicant:
Dr. Ing. H.c. F. Porsche Aktiengesellschaft, Stuttgart, DE;
Inventors:
Thomas Laube, Leonberg, DE;
Michael Wessels, Bietigheim-Bissingen, DE;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); F01N 13/14 (2010.01); B01D 53/94 (2006.01); F02N 11/08 (2006.01); F01N 9/00 (2006.01);
U.S. Cl.
CPC ...
F01N 3/2053 (2013.01); B01D 53/9495 (2013.01); F01N 3/2013 (2013.01); F01N 9/00 (2013.01); F01N 13/14 (2013.01); F02N 11/0803 (2013.01); F01N 2410/06 (2013.01); F01N 2900/08 (2013.01); F01N 2900/1602 (2013.01); F02N 2200/026 (2013.01);
Abstract
An exhaust gas system () has a main flow path () with an exhaust gas aftertreatment device (), and a bypass flow path () that has a fan () and a heating apparatus (). The bypass flow path () has opposite ends connected to the main flow path () in regions upstream and downstream of the exhaust gas aftertreatment device (). A shut-off () is arranged in the main flow path () upstream of the bypass flow path, and a further shut-off () is arranged in the main flow path downstream of the bypass flow path.