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.:

US 7292926 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 06, 2007

Filed:

Nov. 05, 2003
Applicants:

Thorsten Schmidt, Braunschweig, DE;

Winfried Schultalbers, Meinersen, DE;

Henning Rasche, Galmersholm, DE;

Hermann Fehrenbach, Rutzheim, DE;

Joachim Scheu, Bad Wimpfen, DE;

Inventors:

Thorsten Schmidt, Braunschweig, DE;

Winfried Schultalbers, Meinersen, DE;

Henning Rasche, Galmersholm, DE;

Hermann Fehrenbach, Rutzheim, DE;

Joachim Scheu, Bad Wimpfen, DE;

Assignee:

Audi AG, , DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 19/00 (2006.01); G01L 23/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

It is claimed that statements regarding cylinder pressure are obtained for optimization of the combustion process in internal combustion engines. The internal combustion engine is modeled with a plurality of model parameters (to) for this purpose. Once it has been acquired, a model alternating torque (MW) is compared to an actual alternating torque (IW). The model parameters are modified in accordance with the result of the comparison. The model yields realistic values of the combustion chamber value on the basis of the modified model parameters.


Find Patent Forward Citations

Schmidt, Thorsten. (2007). Method and device for estimation of combustion chamber pressure (U.S. Patent No. 7292926). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7292926

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