Method of manufacturing radial flow turbine rotor

Details Method of manufacturing radial flow turbine rotor Method of manufacturing radial flow turbine rotor

1985-03-13

1986-07-01

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 63, 416241B, C04B 3564

Patent

active

045979260

ABSTRACT:
A method of manufacturing a radial flow turbine rotor is disclosed, which comprises the steps of injection molding a rotor body including a conical shaft and a plurality of blades formed on the periphery of the shaft and at an angle to the axis of the shaft from a ceramic material using a mold having parting lines corresponding to blade edges such that projections are formed on the blade edges, sintering the molding thus obtained, and grinding the edge surfaces of the blades facing a casing. The blades are thus provided with projections on their inlet and outlet edges which face a fluid passage.

REFERENCES:
patent: 2431660 (1947-11-01), Gaudenzi
patent: 3077297 (1963-02-01), Clarke
patent: 3133505 (1964-05-01), Heerens et al.
patent: 3430898 (1969-03-01), Parechanian et al.
patent: 3666302 (1972-05-01), Kellett
patent: 4175911 (1979-11-01), Tiefenbacher
patent: 4385866 (1983-05-01), Ochiai et al.
patent: 4408959 (1983-10-01), Long et al.
English Abstract of Motortechnische, Zeitschrift, vol. 39, No. 10, Oct. 1978, P. Walzer, "Keramische Bauteile fur Fahrzeug-Gasturbinen".

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