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US 2013/0170963 A1Published application
Hybrid blade outer air seal for gas turbine engine
AssigneeUnited Technologies Corporation
InventorsSergey Mironets, Edward F. Pietraszkiewicz, Alexander Staroselsky, Mark F. Zelesky
Life of this patent
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Abstract
A Blade Outer Air Seal (BOAS) includes a body manufactured of a metal alloy, the body includes a face opposite a forward interface and an aft interface, the face includes a cavity. A non-metallic insert within the cavity such that the insert is flush with the face.
Claims16
A Blade Outer Air Seal (BOAS) comprising:
- a body includes a face opposite a forward interface and an aft interface, said face includes a cavity;
- and
- a non-metallic insert within said cavity such that said non-metallic insert is flush with said face.
A Blade Outer Air Seal (BOAS) comprising:
- a body includes a face opposite a forward interface and an aft interface, said face includes a cavity;
- a non-metallic insert within said cavity such that said first non-metallic insert is flush with said face;
- and
- an intermediate bonding layer between said cavity and said non-metallic insert.
1 more element
A method of assembling a Blade Outer Air Seal (BOAS) for a gas turbine engine comprising:
- mounting a non-metallic insert within a cavity such that the first non-metallic insert is flush with a face of a BOAS segment;
- and
- buffering the non-metallic insert buffering within the cavity through an intermediate bonding layer.
Dependencies are inferred from the claim text.