Gas turbine having a ceramic rotor

Details Gas turbine having a ceramic rotor Gas turbine having a ceramic rotor

1977-10-04

1979-12-04

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

60 3932, 415214, 416241B, 416244A, F01D 528, F01D 530

Patent

active

041765192

ABSTRACT:
A ceramic turbine rotor fitted to a metal shaft has an integral shaft stub, extending into the hollow end of the metal shaft, and is resiliently retained therein. In order to prevent relative rotation between the rotor and the shaft during torque transfer, the stub shaft and a clamping and tightening member, within the metal shaft, are provided with interengaging parts. The stub shaft, the clamping member and the hollow metal shaft may be formed with mating, interengaging corrugations and grooves running substantially axially. The stub shaft may alternatively have a polygonal cross section, and the clamping member and the void in the hollow shaft will then have mating, but successively bigger cross sections.

REFERENCES:
patent: 2297508 (1942-09-01), Schutte
patent: 2577134 (1951-12-01), Land
patent: 2676458 (1954-04-01), Hill
patent: 2950082 (1960-08-01), McVeigh
patent: 3604819 (1971-09-01), Krahe et al.

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