LASER-INDUCED SPARK DISCHARGE IGNITOR

PROBLEM TO BE SOLVED: To generate a spark discharge between a center electrode and a ground electrode even if the distance between the center electrode and the ground electrode is set long. SOLUTION: In this laser-induced spark discharge ignitor 10, laser breakdown plasma 26 is formed between the ce...

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Bibliographische Detailangaben
Hauptverfasser:	FUJIKAWA TAKETOSHI, EBINA MASATERU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES LIGHTING MECHANICAL ENGINEERING TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To generate a spark discharge between a center electrode and a ground electrode even if the distance between the center electrode and the ground electrode is set long. SOLUTION: In this laser-induced spark discharge ignitor 10, laser breakdown plasma 26 is formed between the center electrode 16 and the ground electrode since a laser beam 23 is outputted from a laser unit 14. Since breakdown is caused by the laser breakdown plasma 26, the spark discharge 32 is induced on a line L connecting the center electrode 16 and the ground electrode 18. Since the breakdown is caused by the laser breakdown plasma 26, the spark discharge 32 can be generated between the center electrode 16 and the ground electrode 18 even if the distance between the center electrode 16 and the ground electrode 18 is set long. COPYRIGHT: (C)2009,JPO&INPIT