Patent ID: 11879351
Assignee: RTX CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 12:
13. A gas turbine engine comprising:
an array of blades rotatable about an engine axis;
an array of vanes adjacent to the array of blades;
an array of blade outer air seals distributed about the array of blades to bound a gas path; and
wherein at least one of the blades, the vanes and the blade outer air seals comprises:
at least one metallic damper including a first contact surface;
a wall including a main body extending between a gaspath surface and a second contact surface, the first and second contact surfaces dimensioned to contact each other along an interface during engine operation, and the first and second contact surfaces are spaced apart along the interface in a cold assembly state; and
wherein the main body is established by a composite including fibers in a matrix material, and at least some of the fibers are arranged to establish a plurality of cooling passages adjacent to the interface.