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:
Jul. 10, 2012
Filed:
Aug. 30, 2011
Thomas Giffels, Stuttgart, DE;
Timo Stifel, Muenchingen, DE;
Steffen Bohne, Freiberg, DE;
Ganghuan Ruan, Ludwigsburg, DE;
Helmut Mueller, Hessigheim, DE;
Thomas Giffels, Stuttgart, DE;
Timo Stifel, Muenchingen, DE;
Steffen Bohne, Freiberg, DE;
Ganghuan Ruan, Ludwigsburg, DE;
Helmut Mueller, Hessigheim, DE;
BorgWarner BERU Systems GmbH, Ludwigsburg, DE;
Abstract
The invention relates to an ignition device for igniting fuel in an internal combustion engine by means of a corona discharge, comprising an ignition electrode, an outer conductor which surrounds the ignition electrode and has a forward end and a rear end, and an electrical insulator which is arranged between the ignition electrode and the outer conductor, wherein the insulator and the ignition electrode project beyond the forward end of the outer conductor in longitudinal direction and the ignition electrode comprises a plurality of electrode branches which each start from a base point, wherein the insulator extends beyond the base points in longitudinal direction. According to the invention an end surface of the electrode branches is uncovered.