Damper assembly for high temperature or corrosive gases

Details Damper assembly for high temperature or corrosive gases Damper assembly for high temperature or corrosive gases

1975-12-04

1977-06-07

Capossela, Ronald C.

Stoves and furnaces

Dampers

Electric

110163, 110173R, 122498, 137310, F23L 300, F23L 1100, F23L 1304

Patent

active

040276546

ABSTRACT:
A damper assembly for high temperature or corrosive gases including a flow through housing with a damper blade disposed therein, the damper blade including a metallic plate member attached to a transversely extending support member which extends through openings in the side walls of the housing. The plate member includes means for receiving refractory thereon wherein the refractory substantially covers the plate member and is divided into a plurality of preselected sections, each section being separated by a material having a relatively low disintegrating temperature whereby upon initial heating of the damper assembly to temperatures higher than the disintegrating temperature of the relatively low disintegrating material, the said material disintegrates thereby leaving spacing in the refractory for expansion and contraction over a wide range of temperatures.

REFERENCES:
patent: 1868253 (1932-07-01), Rackebrant
patent: 1962336 (1934-06-01), Williams
patent: 2475102 (1949-07-01), Longacre
patent: 2659361 (1953-11-01), Holbrook
patent: 2705477 (1955-04-01), Braun
patent: 2720150 (1955-10-01), Lyman

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