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:
Jan. 06, 2015
Filed:
May. 05, 2009
Applicants:
Maxime Makarov, Viroflay, FR;
Frédéric Auzas, Paris, FR;
Inventors:
Maxime Makarov, Viroflay, FR;
Frédéric Auzas, Paris, FR;
Assignee:
Renault S.A.S., Boulogne-Billancourt, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02P 3/04 (2006.01); F02P 23/04 (2006.01); F02P 9/00 (2006.01);
U.S. Cl.
CPC ...
F02P 23/04 (2013.01); F02P 9/002 (2013.01); F02P 9/007 (2013.01);
Abstract
A method for controlling the power supply of a radiofrequency spark plug in an internal combustion engine up to an electric voltage sufficient for generating a highly branched spark. To this end, the electric voltage for powering the spark plug is increased step by step up to an adequate voltage adapted for ignition.