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:
Oct. 19, 1993
Filed:
Jun. 22, 1992
Applicant:
Inventor:
Daniel F Kabasin, Rochester, NY (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ; F23N / ;
U.S. Cl.
CPC ...
60274 ; 60277 ; 60284 ; 60300 ; 431 66 ;
Abstract
A combustion detection method and apparatus for an automotive internal combustion engine exhaust burner having a spark means with spaced electrodes for burner ignition, wherein the voltage drop across the spaced electrodes is compared to a predetermined voltage level, and combustion is assumed to be present if the voltage drop does not exceed the predetermined voltage level for a predetermined number of ignition events, and combustion is assumed to not be present if the voltage drop exceeds the predetermined voltage level for a predetermined number of ignition events.