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.

Date of Patent:
Sep. 16, 2025

Filed:

Sep. 02, 2022
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventors:

Holger Kauss, Wernau, DE;

Gabriele Sgroi, Ostfildern, DE;

Giovanni Cornetti, Weil der Stadt, DE;

Horst Mueller, Sachsenheim, DE;

Moritz Hoess, Bietigheim-Bissingen, DE;

Samuel Weinbrenner, Boeblingen, DE;

Assignee:

ROBERT BOSCH GMBH, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/00 (2006.01); F01N 3/20 (2006.01); F01N 3/36 (2006.01); F02B 37/20 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0007 (2013.01); F01N 3/2033 (2013.01); F01N 3/36 (2013.01); F02B 37/20 (2013.01); F02D 41/0027 (2013.01);
Abstract

A method for operating an internal combustion engine including a combustion chamber which is connectable to a charge air supply and to a supply for fuel. An exhaust gas system receives the combusted air from the combustion chamber and supplies it at least partially to an exhaust gas turbocharger, wherein fuel can be introduced into the exhaust gas system via a metering valve. The method includes: (i) supplying fuel and charge air to the combustion chamber, wherein more oxygen is present in the combustion chamber than can react with the fuel, (ii) igniting the air/gas mixture in the combustion chamber, (iii) discharging the burned-off mixture (exhaust gas) into the exhaust gas system, (iv) supplying fuel to the exhaust gas flowing from the combustion chamber, (v) igniting the fuel in the exhaust gas, and supplying the fuel to the exhaust gas turbocharger.


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