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:
Jul. 22, 2014
Filed:
Oct. 11, 2011
Moritz Klaus Springer, Hagen, DE;
Helmut Hans Ruhland, Eschweiler, DE;
Thomas Lorenz, Köln, DE;
Georg Louven, Neuwied, DE;
Jens Dunstheimer, Köln, DE;
Moritz Klaus Springer, Hagen, DE;
Helmut Hans Ruhland, Eschweiler, DE;
Thomas Lorenz, Köln, DE;
Georg Louven, Neuwied, DE;
Jens Dunstheimer, Köln, DE;
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
An exhaust system for an internal combustion engine is provided. The system comprises an exhaust tract which is connectable to an outlet side of the internal combustion engine, at least one catalytic converter arranged in the exhaust tract downstream of the engine, a particle filter downstream of the at least one catalytic converter, and a secondary-air inlet port provided in the exhaust tract upstream of the particle filter for introducing compressed secondary air into the exhaust tract via at least one flutter valve. In this way, additional oxygen may be supplied to the particulate filter to perform filter regeneration.