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:
Jun. 09, 1998
Filed:
Aug. 23, 1996
Applicant:
Inventors:
Franz Pockstaller, Jenbach, AT;
Christian Lang, Jenbach, AT;
Assignee:
Jenbacher Energiesysteme Aktiengesellschaft, Jenbach, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ; F02P / ; F02D / ;
U.S. Cl.
CPC ...
123425 ; 73 3504 ; 123435 ;
Abstract
A method of and an apparatus for ascertaining a knock intensity signal of an internal combustion engine, wherein an electrical light signal corresponding to the light emission in the combustion chamber is obtained by way of an optical sensor which extends into the combustion chamber, and by way of a photodetector, and then evaluated, wherein firstly the first derivative of the electrical light signal in respect of time is formed and a knock intensity signal is obtained therefrom.