Abradable turbine rings and turbines thus obtained

Details Abradable turbine rings and turbines thus obtained Abradable turbine rings and turbines thus obtained

1986-01-21

1987-06-02

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Erodable or permanently deformable

415197, F01D 1108

Patent

active

046699546

ABSTRACT:
The present invention relates to abradable rings for turbines, wherein they are constituted by an abradable refractory material and are formed by at least one open ring maintained clamped against a fixed metallic structure with the aid of at least one spring, and to refractory materials which may be used for making said rings.

REFERENCES:
patent: 3854843 (1974-12-01), Penny
patent: 4135851 (1979-01-01), Bill et al.
patent: 4336276 (1982-06-01), Bill et al.
patent: 4398866 (1983-08-01), Hartel et al.
patent: 4488920 (1984-12-01), Danis
Rapport De Recherche, completed 5-11-85 by Examiner Daeleman P.C.A. at Republique Francaise, Institut National de la Propriete Industrielle.

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