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:
Apr. 27, 2021
Filed:
Nov. 27, 2019
Applicant:
Dr. Ing. H.c. F. Porsche Aktiengesellschaft, Stuttgart, DE;
Inventor:
Thomas Laube, Leonberg, DE;
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); F01N 3/30 (2006.01); F01N 3/32 (2006.01); F01N 9/00 (2006.01); F02B 37/00 (2006.01); F02B 37/10 (2006.01);
U.S. Cl.
CPC ...
F01N 3/2006 (2013.01); F01N 3/2013 (2013.01); F01N 3/306 (2013.01); F01N 3/323 (2013.01); F01N 3/326 (2013.01); F01N 9/00 (2013.01); F02B 37/00 (2013.01); F02B 37/10 (2013.01); F01N 2240/16 (2013.01); F01N 2410/00 (2013.01);
Abstract
A method and a corresponding apparatus are provided for preconditioning an exhaust gas system () for discharging and purifying combustion exhaust gases of an internal combustion engine (), in particular an internal combustion engine () of a motor vehicle (). The method includes operating, air being heated by a heating element () in the exhaust gas system () to heat air in the exhaust gas system (), operating a fan in the exhaust gas system () for producing a hot air stream with the heated air, using the hot air stream for heating a first catalytic converter () of the exhaust gas system () to a minimum operating temperature.