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:
Apr. 19, 2011
Thomas Baumann, Kornwestheim, DE;
Enno Baars, Leonberg, DE;
Johannes Grabis, Renningen, DE;
Benjamin Hagemann, Gerlingen, DE;
Bernhard Kamp, Ludwigsburg, DE;
Thomas Baumann, Kornwestheim, DE;
Enno Baars, Leonberg, DE;
Johannes Grabis, Renningen, DE;
Benjamin Hagemann, Gerlingen, DE;
Bernhard Kamp, Ludwigsburg, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A method for the self-diagnosis of an exhaust gas probe (). The exhaust gas probe () has at least one heating element (). The method includes a modeled heat output PH is determined for the heating element () by means of a computer program comparing parameters of the gas stream with a measured heat output, and determining, when the parameters of the gas stream exceeds the measured heat output by more than a defined tolerance limit, that one of the exhaust gas probe () is defective, and an exhaust gas section () in which the exhaust gas probe () is installed is faulty.