Corona ignition device
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United States of America Patent
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Jan 24, 2017
Grant Date -
May 22, 2014
app pub date -
Nov 15, 2013
filing date -
Nov 20, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a corona ignition device for igniting fuel in an internal combustion engine by means of a corona discharge, comprising a central electrode, an insulator, into which the central electrode plugs, a housing, into which the insulator plugs, a bobbin, onto which a coil which is attached to the central electrode is wound, and a shield cap, which is plugged onto an end portion of the bobbin facing the insulator. According to the invention, a portion of the central electrode protrudes through a bottom of the shield cap, or a circumferential wall of the shield cap has one or more slots, or the shield cap has a circumferential wall, which protrudes only on one side beyond the bottom of the shield cap only on one side.
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