Seal means for a blade attachment slot of a rotor assembly

Details Seal means for a blade attachment slot of a rotor assembly Seal means for a blade attachment slot of a rotor assembly

1984-10-23

1986-12-02

Garrett, Robert E.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

416 96R, 416220R, F01D 518

Patent

active

046261699

ABSTRACT:
A seal means 66 for a blade attachment slot of a rotor assembly 12 is disclosed. Various construction details which adapt the rotor assembly to block the leakage of cooling air from the blade attachment slot 40 as the cooling air is flowed to a rotor blade 22 are developed. In one embodiment, the seal means has a seal plate 68 and baffles 70,72 integral with the seal plate which define a cooling air chamber for receiving cooling air from a passage way 38 in a rotor disk 20. The seal plate extends axially and laterally to block the leakage of cooling air in the radial direction. Baffles extend radially from the plate for blocking the leakage of cooling air in the axial direction.

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