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:
Oct. 18, 2022
Filed:
Nov. 30, 2020
Robert Bosch Gmbh, Stuttgart, DE;
Bernd Kraewer, Winnenden, DE;
Michael Fey, Wiernsheim, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A method for diagnosing a plurality of lambda sensors which are arranged upstream of an exhaust gas catalytic converter in a plurality of exhaust gas banks of a multi-flow exhaust gas system of an internal combustion engine. An opposite lambda offset of the lambda sensors is identified () when a difference (ΔT) between a measured exhaust gas temperature (T) and a modeled exhaust gas temperature (T) downstream of the exhaust gas catalytic converter overshoots a threshold value (S).
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