Methods and apparatus for cooling turbine engine combustor...

Power plants – Combustion products used as motive fluid – Process

Reexamination Certificate

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C060S039821, C060S039830

Reexamination Certificate

active

10894483

ABSTRACT:
An ignition device assembly for a gas turbine engine combustor includes a body and a shroud. The body extends from an inlet end to an outlet end, and the shroud extends circumferentially around at least a portion of the body, and axially from a first end to a tip end. The shroud includes a tip portion and a body portion. The body portion includes a plurality of metering openings and a plurality of first outlet openings. The plurality of metering openings are for channeling cooling air to the ignition device body, and the plurality of first outlet openings are 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 are between the shroud tip portion and the plurality of shroud metering openings.

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patent: 6483022 (2002-11-01), Packard
patent: 6675582 (2004-01-01), Monty et al.
patent: 6735949 (2004-05-01), Haynes et al.

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