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US 2007/0183887 A1Published application
Particle collector for gas turbine engine
AssigneeUnited Technologies Corporation
InventorsIoannis Alvanos, Bernard Andrews, Robert Charbonneau, Susan Tholen, Thurman Dabbs, Michael Bruskotter
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Abstract
A material having a plurality of impurity collection spaces has an outer face facing into a cooling air flow stream for a gas turbine engine component. Impurities such as sand or dirt will collect in the plurality of spaces. In a disclosed embodiment, a honeycombed material is utilized.
Claims19
A gas turbine engine comprising:
- a turbine section, said turbine section including at least one stationary vane, at least one rotating turbine blade, and at least one blade outer air seal, at least one of said at least one stationary vane, said at least one turbine blade and said at least one blade outer air seal being provided with a cooling air stream;
- and
- a collection material placed in the cooling air stream for collecting impurities, said collection material having an outer face including a plurality of impurity collection spaces.
A dirt collection material for being placed in a cooling air flow of a gas turbine engine comprising:
- a collection member including an outer face to be facing the cooling air flow when the collection member is mounted in a gas turbine engine, said collection face having a plurality of impurity collection spaces.
Dependencies are inferred from the claim text.