Shaft composite structure between ceramic turbine rotor and meta

Details Shaft composite structure between ceramic turbine rotor and meta Shaft composite structure between ceramic turbine rotor and meta

1988-03-24

1990-01-09

Kundrat, Andrew V.

Joints and connections

Particular configuration or material of member

403 28, 416241B, B25G 300

Patent

active

048924369

ABSTRACT:
In a shaft composite structure wherein a ceramic shaft integrally formed with a ceramic turbine rotor is fixed to a metal sleeve integrally formed with a metal rotary shaft of a compressor impeller, a connection edge is located at a position corresponding to a recess for seal ring, and a thickness of tip portion of the metal sleeve is made thin to reduce a stiffness.
Therefore, a stress concentration at the connection edge can be eliminated effectively and thus a reliable shaft composite structure can be obtained.

REFERENCES:
patent: 4722630 (1988-02-01), Fang

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