Laser-induced spark ignition for an internal combustion engine
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United States of America Patent
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Issued Date -
May 2, 2013
app pub date -
Apr 4, 2011
filing date -
May 27, 2010
priority date (Note) -
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Abstract
A laser spark plug for an internal combustion engine, including at least one generating arrangement for at least one of guiding, shaping and generating laser radiation, further including a combustion chamber window and a housing, in which the housing has, on the opposite side of the combustion chamber window from the at least one generating arrangement, in particular at an end of the housing on the combustion chamber side, an aperture for the passage of the laser radiation that is at least one of guided, shaped and generated by the at least one generating arrangement into a combustion chamber, the aperture having on the side thereof remote from the combustion chamber window an exit cross-section of 78 mm2 or less, especially 19 mm2 or less.
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