Seal plate

Details Seal plate Seal plate

1997-09-02

1999-09-21

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

4151737, 416193A, 416219R, 416220, 416248, 416320R, F01D 1100, F03D 1104, F04D 2908

Patent

active

059544775

ABSTRACT:
An annular seal plate for an interstage air riding seal arrangement for the internal cooling system of a gas turbine engine is mounted on a rotatable disc by means of an annular mortise and tenon mounting. The contact faces of the mortise and tenon are angled relative to a radial plane of the disc so that centrifugally generated forces are reacted by the faces in a sense to counter axial tilt so that a seal face of the plate lies exactly in a radial plane, at a design rotational speed, thereby to eliminate convergence or divergence between the seal faces of the air riding seal.

REFERENCES:
patent: 3748060 (1973-07-01), Hugoson et al.
patent: 4480959 (1984-11-01), Bourguignon et al.
patent: 4820116 (1989-04-01), Hovan et al.
patent: 4854821 (1989-08-01), Kernon et al.
patent: 5173024 (1992-12-01), Mouchel et al.
patent: 5236302 (1993-08-01), Weisgerber et al.
patent: 5275534 (1994-01-01), Cameron et al.
patent: 5288210 (1994-02-01), Albrecht et al.
patent: 5318405 (1994-06-01), Meade et al.

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