| 摘要 |
PROBLEM TO BE SOLVED: To provide a plasma ignition device stabilizing an ignition direction of plasma gas and having excellent ignitability. SOLUTION: The plasma ignition device 1 is installed on an internal combustion engine, and is provided with: a plasma ignition plug 10 provided with an insulation member 120 insulating a center electrode 110 and a ground electrode 131; and high voltage power sources 20, 30 applying high voltage on the plasma ignition plug 10. Gas in an electric discharge space 140 with an inner wall part 126 provided in the insulation member 120 is put into a high temperature and high voltage plasma condition by high voltage applied between the center electrode 110 and the ground electrode 131, the gas is injected into the internal combustion engine 40 and is ignited. A turn imparting mechanism part 160 is provided on the inner wall part 126 of the electric discharge space 140 to inject gas under the plasma condition while imparting turning. COPYRIGHT: (C)2008,JPO&INPIT
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