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US 9,810,088 B2Granted
Floating blade outer air seal assembly for gas turbine engine
AssigneeUnited Technologies Corporation
InventorsThurman C Dabbs, James N Knapp
Life of this patent
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Abstract
A blade outer air seal (BOAS) assembly for an engine case of a gas turbine engine includes a multiple of supported air seal segments and a multiple of floating air seal segments circumferentially alternate with the multiple of supported air seal segments.
Claims18
A blade outer air seal (BOAS) assembly for an engine case of a gas turbine engine, comprising:
- a multiple of supported air seal segments;
- and
- a multiple of floating air seal segments that circumferentially alternated with the multiple of supported air seal segments.
A gas turbine engine, comprising:
- an engine case structure extending around an engine central longitudinal axis;
- a shroud assembly attached to the engine case structure;
- a multiple of supported air seal segments attached to the shroud assembly;
- and
- a multiple of floating air seal segments circumferentially alternated with the multiple of supported air seal segments.
2 more elements
A method for blade tip clearance control of a gas turbine engine, comprising:
- circumferentially alternating a multiple of floating air seal segments with a multiple of supported air seal segments.
Dependencies are inferred from the claim text.