Ceramic turbine nozzle

Details Ceramic turbine nozzle Ceramic turbine nozzle

1995-01-06

1996-12-17

Larson, James

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

415137, 415191, 4152094, F01D 902

Patent

active

055846521

ABSTRACT:
A turbine nozzle and shroud assembly having a preestablished rate of thermal expansion is positioned in a gas turbine engine and being attached to conventional metallic components. The metallic components having a preestablished rate of thermal expansion being greater than the preestablished rate of thermal expansion of the turbine nozzle vane assembly. The turbine nozzle vane assembly includes a plurality of segmented vane defining a first vane segment and a second vane segment. Each of the first and second vane segments having a vertical portion. Each of the first vane segments and the second vane segments being positioned in functional relationship one to another within a recess formed within an outer shroud and an inner shroud. The turbine nozzle and shroud assembly provides an economical, reliable and effective ceramic component having a preestablished rate of thermal expansion being less than the preestablished rate of thermal expansion of the other component.

REFERENCES:
patent: 3619077 (1971-11-01), Wile et al.
patent: 3650635 (1972-03-01), Wachtell et al.
patent: 3857649 (1974-12-01), Schaller et al.
patent: 4026659 (1977-05-01), Freeman, Jr.
patent: 4076451 (1978-02-01), Jankot
patent: 4464094 (1984-08-01), Gerken
patent: 4643636 (1987-02-01), Libertini et al.

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