Abrasive/abradable gas path seal system

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member

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Details

277 961, 415174, F01D 506, F01D 1100

Patent

active

045667004

ABSTRACT:
An abradable/abrasive seal system having particular utility in gas turbine engines is described. The seal system includes an abrasive layer (40) which prevents direct interaction between components (30, 20) having relative motion and an abradable layer (43) which provides an effective degree of fluid sealing between the components.

REFERENCES:
patent: 2886352 (1959-05-01), Krellner
patent: 3339933 (1967-09-01), Foster
patent: 3519282 (1970-07-01), Davis
patent: 3575427 (1971-04-01), Lapac
patent: 3625634 (1971-12-01), Stedfeld
patent: 3880550 (1975-04-01), Corey et al.
patent: 4422648 (1983-12-01), Eaton et al.

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