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. 18, 2011
Filed:
Mar. 09, 2007
Applicants:
Andre Agneray, Boulogne Billancourt, FR;
Clement Nouvel, Verneuil sur Seine, FR;
Inventors:
Andre Agneray, Boulogne Billancourt, FR;
Clement Nouvel, Verneuil sur Seine, FR;
Assignee:
Renault S.A.S., Boulogne Billancourt, FR;
Primary Examiner:
Int. Cl.
CPC ...
F02P 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device for measuring an ionization current of a spark plug of a type with a resonant structure, including a motor vehicle ignition system, the spark plug being coupled to a generator including a regulating capacitor. The generator includes a polarizer that polarizes the spark plug, connected between the generator and the spark plug, and a device that measures ionization current of the spark plug, connected between the regulating capacitor and ground.