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. 07, 2023
Filed:
Oct. 05, 2022
Robert Bosch Gmbh, Stuttgart, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A method () for operating an exhaust gas system () that includes a first catalytic converter () and at least one second catalytic converter (), which are both arranged downstream from an internal combustion engine () The internal combustion engine () is controlled to generate a rich exhaust gas having a first rich gas portion, () a fill level of the second catalytic converter () is ascertained with respect to at least one lean gas component that is storable in the second catalytic converter and, if the ascertained fill level drops below () a minimum fill level, () the internal combustion engine () is controlled to generate a lean exhaust gas. The internal combustion engine () is then controlled to generate a rich exhaust gas having a second rich gas portion, and subsequently controlled () to generate the rich exhaust gas having the first rich gas portion.