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:
Apr. 07, 1992
Filed:
Jul. 10, 1991
Applicant:
Inventors:
Dieter Voigt, Wolfsburg, DE;
Andreas Kunne, Sollingen, DE;
Assignee:
Volkswagen AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02P / ;
U.S. Cl.
CPC ...
123425 ;
Abstract
Undesired knocking in a spark-ignited internal combustion engine is avoided by selectively retarding ignition for individual combustion chambers the first time knocking occurs to identify the knocking combustion chamber and storing the identified combustion chamber in a memory so that, upon later knocking, shifts in the ignition timing of individual combustion chambers can be made utilizing the known ignition sequence.