Bladed stator having fixed blades made of thermostructural compo

Details Bladed stator having fixed blades made of thermostructural compo Bladed stator having fixed blades made of thermostructural compo

1991-07-03

1992-07-21

Look, Edward K.

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

Resilient

415139, 415141, 415191, 415200, 4152094, F01D 2526

Patent

active

051318083

ABSTRACT:
The stator blades (10) are made of a thermostructural composite material and have asymmetric inner and outer roots (14, 16) such that at least one of the roots of an a blade presses against the outer side (12b) or inner side (12b) of a neighboring blade. Also, each root (14, 16) of each blade presses against the adjacent ring by a part only of its external surface, thereby allowing some flexing of the root under the effect of differential expansion between the blade and the ring.

REFERENCES:
patent: 3101168 (1963-08-01), Berchtold
patent: 3188051 (1965-06-01), Kanik
patent: 3363832 (1968-01-01), Groff
patent: 3867065 (1975-02-01), Schaller et al.
patent: 4720236 (1988-01-01), Stevens

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