Laser ignition device for an internal combustion engine
AssigneeRobert Bosch GmbH
InventorsPascal Woerner, Juergen Raimann, Joerg Engelhardt, Martin Weinrotter
Life of this patent
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Abstract
A laser ignition device for an internal combustion engine, encompassing an ignition laser having a combustion chamber window, such that until startup of the laser ignition device, the combustion chamber window is equipped with a protective layer.
Claims17
1-16. (canceled)
A laser ignition device for an internal combustion engine, comprising:
- an ignition laser having a combustion chamber window, wherein until startup of the laser ignition device, the combustion chamber window is equipped with a protective layer.
A protective layer for covering a combustion chamber window of a laser ignition device, comprising at least one of a metal foil, plastic film, paper, cellophane paper, oil, and a paste.
A method for starting up a laser ignition device for an internal combustion engine having a combustion chamber window that is equipped with a protective layer, the method comprising:
- burning a hole into the protective layer by laser pulses of the laser ignition device in an absence of an ignitable fuel-air mixture.
Dependencies are inferred from the claim text.