High temperature damper

Details High temperature damper High temperature damper

1979-07-16

1982-01-05

Yuen, Henry C.

Furnaces

Draft regulators

Damper

137375, 110225, 126285R, F23L 100, F23L 1300

Patent

active

043088058

ABSTRACT:
There is disclosed a damper for controlling the flow of high temperature gases to respective hearth chambers of a multiple hearth furnace, for example, the damper being formed of temperature resistant ceramic plate having an air cooled shaft extending diametrically therethrough and insulated from the plate by a heat resistant ceramic fiber material.

REFERENCES:
patent: 1542989 (1925-06-01), Connery
patent: 2252326 (1941-08-01), Lewers
patent: 2811981 (1957-11-01), Harris
patent: 3084715 (1963-04-01), Scharres
patent: 3143132 (1964-08-01), Pangburn
patent: 3598067 (1971-08-01), Jones
patent: 3837620 (1974-09-01), Malloy et al.
patent: 3996864 (1976-12-01), Jones
patent: 4027654 (1977-06-01), Kannapell
patent: 4148458 (1979-04-01), Holtgraver

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