Chimney and fireplace construction

Details Chimney and fireplace construction Chimney and fireplace construction

1990-01-12

1990-08-14

Yeung, James C.

Stoves and furnaces

Fireplaces or accessories

With heat exchanger for room heating air

126307R, 126312, 98 48, F24B 700

Patent

active

049478265

ABSTRACT:
Elongated, vertical air chambers having an open upper end and a closed lower end are located within or attached to the walls of a fireplace, where the upper ends open only into the interior of the fireplace. Air heated within the air chambers rises into the fireplace to increase the drafting efficiency, and is replaced in the air chambers by relatively cooler, draft inhibiting air drawn only from the upper interior of the fireplace. In large furnace applications, the air chambers are located in the lower portion of the chimney.

REFERENCES:
patent: 2916983 (1959-12-01), Kinkead
patent: 3538909 (1970-11-01), Migues
patent: 3998203 (1976-12-01), Jensen
patent: 4329976 (1982-05-01), Jackson

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