| 摘要 |
PROBLEM TO BE SOLVED: To provide an ignition plug for igniting a rocket engine capable of eliminating a failure frustrating attaining of a mission and causing loss of a machine body or mounted equipment because an engine cannot be ignited when launching or flying a rocket because of lack of redundancy in a conventional ignition plug for generating fire to ignite the engine. SOLUTION: In this ignition plug, a slit is provided in a shaft direction, an insulating material is filled into the slit, and a plurality of anode electrodes for individually generating discharge spark between the anode electrodes and cathode electrodes and a high voltage generation circuit which is individually connected with each anode electrode, and generates from low voltage power high voltage for discharging supplied to the anode electrodes are provided. As a result, the anode electrodes can be made to have redundancy an rich reliability to surely ignite the engine when flying or launching the rocket, and imparting of redundancy can be realized by a simple work without constrains in increase of cost and space.
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