| 摘要 |
An ignition device assembly (40) for a gas turbine engine combustor (16). T he ignition device includes a body (106) and a shroud (120), the body extending from an inlet end (100) to an outlet end (102), the shroud extending circumferential ly around at least a portion of the body, and extends from a first end (124) to a tip end (122). The shroud includes a tip portion (134) and a body portion (136), the tip portion extending from the tip end to the first end, the body portion includes a plurality of metering openings (140) and a plurality of first outlet openings (162). The plurality of metering openings for channeling cooling air to the ignition device body, th e plurality of first outlet openings for channeling spent cooling air from the ignition device body, the tip portion includes a plurality of discharge openings extending therethrough for channeling cooling from the ignition device body, the plurality of first outlet openings between the shroud tip portion and the plurality of shroud metering openings .
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