Turbine of thermostructural composite material, in particular a

Details Turbine of thermostructural composite material, in particular a Turbine of thermostructural composite material, in particular a

1998-01-20

1999-08-31

Verdier, Christopher

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Radially extending web or end plate

416188, 416220A, 416230, 416241A, 416244A, F01D 504

Patent

active

059444851

ABSTRACT:
The turbine comprises a plurality of blades disposed around a hub between two end plates, with the blades, the hub, and the end plates being made of thermostructural composite material. The hub is made by stacking plane annular plates of thermostructural composite material along a common axis. Each blade is made individually by shaping a two-dimensional fiber fabric in plate or sheet form to obtain a blade preform, by densifying the preform with a matrix to obtain a blade blank made of thermostructural composite material, and by machining an outline for the densified preform. Each end plate is obtained by making an annular preform by means of a two-dimensional fiber fabric in plate or sheet form, and by densifying the preform with a matrix to obtain a part made of thermostructural composite material. The blades are assembled to the hub between the end plates, with each blade being connected to the hub by a portion forming a blade root.

REFERENCES:
patent: 2613058 (1952-10-01), Atkinson
patent: 3224078 (1965-12-01), Mayne
patent: 3224079 (1965-12-01), Dybvig
patent: 4186473 (1980-02-01), Cross et al.
patent: 4709457 (1987-12-01), Broquere et al.
patent: 4790052 (1988-12-01), Olry
patent: 5205709 (1993-04-01), Schimmel et al.
patent: 5464325 (1995-11-01), Albring et al.

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