Gas turbine engine having a ceramic turbine wheel

Details Gas turbine engine having a ceramic turbine wheel Gas turbine engine having a ceramic turbine wheel

1976-11-22

1977-12-20

Husar, C. J.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing having multiple parts releasably clamped

291568R, 60200A, 416241B, 415107, 417409, F04D 2902, F01D 528

Patent

active

040638502

ABSTRACT:
A gas turbine having a rotor including a ceramic turbine wheel and a rotor shaft formed in part of ceramic material, the wheel and ceramic shaft portion being formed as one piece. The ceramic shaft portion extends into a cooler zone of the engine where it is connected to a steel shaft portion. The ceramic shaft portion is supported by a radial bearing, preferably an air bearing. A ceramic disk projects radially from, and is formed as one piece with, the ceramic shaft portion, the disk cooperating with a thrust bearing, preferably an air bearing.

REFERENCES:
patent: 2433589 (1947-12-01), Adams
patent: 2864552 (1958-12-01), Anderson
patent: 3459133 (1969-08-01), Scheffler
patent: 3494292 (1970-02-01), Walker et al.
patent: 3635577 (1972-01-01), Dee
patent: 3905723 (1975-09-01), Torti, Jr.
patent: 3943703 (1976-03-01), Kronogard
patent: 4011295 (1977-03-01), Tree et al.
patent: 4011737 (1977-03-01), Krueger et al.

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