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Title:
WATER-COOLED LASER IGNITION DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/160017
Kind Code:
A3
Abstract:
A laser ignition device (100) for an internal combustion engine (102) is presented, wherein the laser ignition device (100) has at least a laser spark plug (110) and a cooling device (120) for controlling the temperature, in particular cooling, the laser spark plug (110). According to the invention, the cooling device (120) has a cooling circuit (122) which contains a cooling fluid (128) and can be thermally connected to at least one component of the laser spark plug (110), wherein a volume of the cooling fluid (128) which is contained in the cooling circuit (122) is less than or equal to approximately fifty percent of a compression volume of a cylinder (132) of the internal combustion engine (102), preferably less than or equal to approximately ten percent of a compression volume of the cylinder (132) of the internal combustion engine (102).

Inventors:
STOPPEL, Klaus (Weinbergstr. 15, Mundelsheim, 74395, DE)
Application Number:
EP2013/055540
Publication Date:
December 19, 2013
Filing Date:
March 18, 2013
Export Citation:
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Assignee:
ROBERT BOSCH GMBH (Postfach 30 02 20, Stuttgart, 70442, DE)
International Classes:
F02P23/04; F01P3/16; F01P5/10; F01P7/16; F04D29/58; H01S3/04
Domestic Patent References:
WO2011041805A12011-04-14
WO2005028856A12005-03-31
WO2013010704A12013-01-24
Foreign References:
DE102010031598A12012-01-26
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