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:
Feb. 25, 2014
Filed:
Jul. 30, 2008
Sebastien Haution, Longjumeau, FR;
Thierry Prunier, L'hay les Roses, FR;
Frederic Roque, Montgeron, FR;
Yorick Duchaussoy, Darnetal, FR;
Franck Deloraine, Fontenay aux Roses, FR;
Sebastien Haution, Longjumeau, FR;
Thierry Prunier, L'hay les Roses, FR;
Frederic Roque, Montgeron, FR;
Yorick Duchaussoy, Darnetal, FR;
Franck Deloraine, Fontenay aux Roses, FR;
Renault S.A.S., Boulogne-Billancourt, FR;
Abstract
A device for generating a radiofrequency plasma, that includes a voltage generator, and at least one ignition assembly that includes an ignition plug and a switch provided between a supply terminal of the plug and an output of the generator adapted for electrically connecting the output of the voltage generator to the plug upon reception of a control signal, and an electronic control unit generating the control signal. The electronic control unit measures values representative of evolution in time of the output voltage of the generator. The device further includes a mechanism varying the voltage and/or the frequency of the electric current applied to the supply terminal of the plug based on measured values. The evolution of the generator output voltage is representative of the condition of the plug (new or used).