SPARK IGNITION DEVICE FOR AN INTERNAL COMBUSTION ENGINE AND CENTRAL ELECTRODE ASSEMBLY THEREFORE
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United States of America Patent
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Issued Date -
Nov 15, 2018
app pub date -
Jul 16, 2018
filing date -
Jul 16, 2018
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Abstract
A spark ignition device includes a ceramic insulator with a metal shell surrounding at least a portion of the ceramic insulator. A ground electrode is attached to the shell. The ground electrode has a ground electrode sparking tip spaced from a central sparking tip by a spark gap. A first terminal is arranged in electrical communication with the central sparking tip and is configured for electrical connection with a power source. The device further includes a second terminal configured for electrical connection with the power source. The second terminal is spaced from the first terminal, with the second terminal being arranged in electrical communication with the first terminal. A heater element brings the first terminal in electrical communication with the second terminal and completes an electrical circuit. The heater element has a resistance greater than the first and second terminals thereby producing a significant source of heat.
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