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.

Date of Patent:
Aug. 07, 2012

Filed:

Feb. 01, 2007
Applicants:

Jürgen Dingl, Regensburg, DE;

Markus Roth, Schwalbach, DE;

Jochen Schönhaar, Regensburg, DE;

Inventors:

Jürgen Dingl, Regensburg, DE;

Markus Roth, Schwalbach, DE;

Jochen Schönhaar, Regensburg, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 17/00 (2006.01); G06F 7/00 (2006.01); G06F 11/30 (2006.01); G07C 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a method for identifying a defective control device in an internal combustion engine, especially a control element of an intake manifold with a variable length, a swirl flap, or a tumble flap, or generally a control element in the air path of the internal combustion engine, instead of using a return message acknowledging the position of the control device, a regulating signal is detected following the successful switching of the control device, in order to use any deviations of said regulating signal above a defined threshold value to identify a defective control device.


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