Ceramic rotor and manufacturing process therefor

Details Ceramic rotor and manufacturing process therefor Ceramic rotor and manufacturing process therefor

1984-04-25

1985-10-01

Garrett, Robert E.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Coating, specific composition or characteristic

416244A, F01D 504

Patent

active

045443270

ABSTRACT:
The disclosed ceramic rotor comprises integrally formed blade portions made of ceramics sintered at atmospheric pressure and a blade-holding portion to which said blade portions are integrally cemented by ceramic material. The blade-holding portion is made of ceramics sintered at atmospheric pressure and has a larger density than that of the blade portions. The thickness of the blade-holding portion is not smaller than the thickness of the blade portions but smaller than the distance between the front and rear surfaces of the blade portions. In the disclosed process, bodies of the blade portions and the blade-holding portion are separately formed and coupled by applying ceramic material therebetween, and the coupled bodies are sintered at atmospheric pressure to produce the ceramic rotor.

REFERENCES:
patent: 3801226 (1974-04-01), Bevan et al.
patent: 3887411 (1975-06-01), Goodyear
patent: 3887412 (1975-06-01), Stylr
patent: 4096120 (1978-06-01), Grunke
patent: 4147468 (1979-04-01), Murakami et al.
patent: 4248813 (1981-02-01), Hattori
patent: 4294635 (1981-10-01), Hurley
patent: 4368166 (1983-11-01), Hinton et al.
patent: 4408959 (1983-10-01), Long et al.
Ceramics for High Performance Applications, Conference Nov. 13-16, 1973.

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