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:
Aug. 21, 2007
Filed:
Aug. 08, 2006
Manfred Birk, Oberriexingen, DE;
Jens Damitz, Illingen, DE;
Juergen Moessinger, Weinsberg-Wimmental, DE;
Michael Kessler, Weissach, DE;
Vincent Dautel, Stuttgart, DE;
Nicole Kositza, Gerlingen, DE;
Manfred Birk, Oberriexingen, DE;
Jens Damitz, Illingen, DE;
Juergen Moessinger, Weinsberg-Wimmental, DE;
Michael Kessler, Weissach, DE;
Vincent Dautel, Stuttgart, DE;
Nicole Kositza, Gerlingen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
In a method for operating an internal combustion engine, a first data quantity is derived based on a signal of a first sensor which detects the pressure in a first combustion chamber of a plurality of combustion chambers, and a second data quantity is derived based on a signal of a second sensor, which second data quantity is a function of the pressure variation in at least one of the plurality of combustion chambers. The first data quantity and the second data quantity are functions of the pressure variation in the same combustion chamber, and a drift of the second sensor is ascertained from a change over time in the second data quantity with respect to the first data quantity.