Sealing members for gas preheaters, and sealing structures using

Details Sealing members for gas preheaters, and sealing structures using Sealing members for gas preheaters, and sealing structures using

1992-01-09

1993-08-10

Cuchlinski, Jr., William A.

Heat exchange

Regenerator

Checker brick structure

277 962, 277227, 277DIG6, F16J 1532

Patent

active

052340481

ABSTRACT:
A sealing structure for a rotary regeneration-type heat exchanger, the sealing structure being adapted to seal at least one of a gap between an outer peripheral portion of a rotor and a stationary housing and a gap between a side face of the rotor and a radial sealing plate, the sealing structure being held by one of the rotor and the housing such that the sealing structure is in sliding contact with an opposing surface of the other of the rotor and the housing, the sealing structure including a metal frame, a main body including an alumina body and a glaze covering a portion of the alumina body, the glaze having a coefficient of thermal expansion smaller than that of the alumina body, the main body including an uncovered surface which is not covered with the glaze thereby exposing the alumina body, and retaining means for retaining the main body inside the metal frame, wherein the uncovered surface is exposed from the metal frame, the uncovered surface at least partially defining a sliding surface of the sealing structure.

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