Patent ID: 9284939
Filing Date: 2016-03-15
CPC Classification: F02B,F02P,Y02T

Claim Text:
1. A laser spark plug for an internal combustion engine, comprising: at least one element for guiding, shaping and/or generating laser radiation; a combustion chamber window; and a housing, wherein the housing has, on an opposite side of the combustion chamber window from the element, an aperture for passage of the laser radiation guided, shaped and/or generated by the element into a prechamber disposed at an end of the housing on a combustion chamber side, at least one overflow channel being provided which makes possible a fluid connection between an internal space of the prechamber and a combustion chamber surrounding the prechamber, the at least one overflow channel being disposed and configured such that, when a fluid flows into the internal space of the prechamber through the overflow channel, a fluid flow is obtained that enters an interior of the aperture at a minimum angle ε of 45°, measured with respect to a longitudinal axis of the laser spark plug.