Sealing members for use in gas preheater

Details Sealing members for use in gas preheater Sealing members for use in gas preheater

1990-06-25

1992-09-08

Davis, Jr., Albert W.

Heat exchange

Regenerator

Checker brick structure

165905, 277 962, 277DIG6, F28D 1904

Patent

active

051450119

ABSTRACT:
A sealing member for use in a gas preheater is adapted to seal a gap between an outer peripheral portion of a rotor and a housing in the gas preheater or a gap between a side face of the rotor and a radial sealing member. At least a part of said sealing member is made of an inorganic glass and/or a wear resistive ceramic having a coefficient of thermal expansion of not more than 70.times.10.sup.-7 /.degree.C. A sealing member for use in a gas preheater may comprise a heat resistive ceramic, and a corrosion resistive steel, wherein the ceramic is substantially surrounded with the corrosion resistive steel, excluding a sliding surface of the ceramic.

REFERENCES:
patent: 3407866 (1968-10-01), Sawchuk
patent: 3746352 (1923-07-01), Bao et al.
patent: 3903959 (1975-09-01), Fushimi et al.
patent: 4093243 (1978-06-01), Kishida et al.
patent: 4185686 (1980-01-01), Pereiva
patent: 4296937 (1981-10-01), Handa
patent: 4911227 (1990-03-01), Saito et al.

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