High-temperature gas blower impeller with vanes made of dispersi

Details High-temperature gas blower impeller with vanes made of dispersi High-temperature gas blower impeller with vanes made of dispersi

1993-08-24

1994-12-13

Yuen, Henry C.

Heating

Work chamber having heating means

Combustion products heat work by contact

432121, 432 59, 417420, 416241R, F27B 322

Patent

active

053724992

ABSTRACT:
An impeller for a high-temperature gas blower suitable for a floating conveyor furnace, having vanes each formed of a dispersion-strengthened alloy which includes as a disperse or internal phase 0.1-2.0% by weight of finely divided particles of an oxide of a high melting-point metal, such as Y.sub.2 O.sub.3, Ce.sub.2 O.sub.3, ZrO.sub.2, Al.sub.2 O.sub.3 and Cd.sub.2 O.sub.3, preferably dispersed in an austenite matrix or external phase of Cr, Fe, Al, Ti and Ni. A gas blower having such impeller, and a furnace using such gas blower are also disclosed.

REFERENCES:
patent: 4554195 (1985-11-01), Ormisten et al.
patent: 4944098 (1990-07-01), Hella et al.
patent: 4952145 (1990-08-01), Kwiatkowski et al.
patent: 5090944 (1992-02-01), Kyo et al.

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