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:
Feb. 19, 2002
Filed:
Aug. 23, 1999
Applicant:
Inventors:
Ruediger Herweg, Esslingen, DE;
Peter Hohner, Leinfelden-Echterdingen, DE;
Rudolf Maly, Sindelfingen, DE;
Gregor Renner, Stuttgart, DE;
Hartung Wilstermann, Gaildorf, DE;
Assignee:
DaimlerChrysler AG, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 2/762 ; G01L 2/322 ;
U.S. Cl.
CPC ...
G01N 2/762 ; G01L 2/322 ;
Abstract
A method is provided for determining the ion component following a combustion process in a self-igniting internal combustion engine. At least two electrodes are located inside at least one cylinder, to which electrodes an electrical voltage can be applied, with the voltage being an AC voltage or having an AC voltage component.