| 摘要 |
A piston is disclosed, for use in an internal combustion engine, including an insulating guide formed therein for receiving an electrode. The electrode has a body, and at least one spark lead coupled to the body for inserting into a channel formed in the insulating guide. Electrical power is supplied to the electrode by a power plug inserted through a power plug opening in the wall of the combustion chamber of the internal combustion engine. When electric power is supplied to the power plug a first electrical arc is generated between the power plug and the body of the electrode, and a second electrical arc is generated between the tip of each one of the spark leads and an associated arc insert disposed in the piston adjacent the end of the insulating guide. Optionally the electrode is insertable and removable from the piston through the power plug opening.
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