Cooled combustor seal

摘要

A cooled combustor seal having a plurality of channels enabling cooling air to pass from outside of a combustion chamber to cool an area inside the combustion chamber around the seal is disclosed. The channels may be provided through a slider, a housing, and/or a washer of the combustor seal. One set of channels or multiple of sets of channels may be provided in the combustor seal. Each of these sets of channels may be in the slider, housing, or washer. The cooled combustor seal may be used in conjunction with an igniter to purge a cavity between the seal and the igniter.

主权项

1. A combustor seal, comprising:
a housing including an inner wall, an outer wall, and a housing floor connecting a radially outward end of the inner wall to a radially inward end of the outer wall, the inner wall defining a central hole, the outer wall having at least one gap and a plurality of holes therethrough; a slider including a neck and a base, the neck defining a central aperture and the base extending away from the central aperture and a radially inward end of the neck, the slider base including at least one extension extending away from the central aperture and through the gap, the slider being in contact with the housing floor, the housing central hole and slider central aperture being aligned; a washer attached to a radially outward facing surface of the housing outer wall and retaining the slider base in the housing; anda plurality of channels communicating through the combustor seal.