Patent ID: 11873721
Assignee: RTX CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 7:
8. A seal assembly for a gas turbine engine comprising:
a first side plate, a second side plate and a backing plate that extend circumferentially about an assembly axis;
a first brush seal and a second brush seal;
wherein the first and second brush seals are spaced apart by, and positioned on opposite sides of, the backing plate, the first brush seal is between the first side plate and the backing plate, the second brush seal is between the second side plate and the backing plate, the first brush seal is dimensioned to establish a first sealing relationship with a first gas turbine engine component, and the second brush seal is dimensioned to establish a second sealing relationship with a second gas turbine engine component; and
wherein the first side plate includes a plurality of protrusions that interfit with recesses associated with the first gas turbine engine component to limit relative rotation.