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:
Apr. 19, 2016
Filed:
Mar. 25, 2011
Pascal Woerner, Korntal-Muenchingen, DE;
Juergen Raimann, Weil der Stadt, DE;
Joerg Engelhardt, Ditzingen, DE;
Martin Weinrotter, Vitoria-Gasteiz, ES;
Pascal Woerner, Korntal-Muenchingen, DE;
Juergen Raimann, Weil der Stadt, DE;
Joerg Engelhardt, Ditzingen, DE;
Martin Weinrotter, Vitoria-Gasteiz, ES;
ROBERT BOSCH GMBH, Stuttgart, DE;
Abstract
A laser spark plug for an internal combustion engine has at least one laser unit for guiding, shaping, and/or for producing laser radiation, a combustion chamber window, and a housing which has, at the side of the combustion chamber window situated opposite the laser unit, a screen for the passage of the laser radiation guided, shaped, and/or produced by the laser unit into a combustion chamber, the screen having a first end facing the combustion chamber and a second end facing away from the combustion chamber, the inner contour of the screen having an extremal cross-section in a region that is situated at a distance both from the first and second ends.