Combination glass door and heat-exchanging grate for fireplaces

Details Combination glass door and heat-exchanging grate for fireplaces Combination glass door and heat-exchanging grate for fireplaces

1977-03-30

1978-12-12

Schwadron, Martin P.

Stoves and furnaces

Liquid heater

126202, 165174, 285187, 285223, F24B 700

Patent

active

041291131

ABSTRACT:
An improved combination glass door closure and ducted (e.g., tubular) heat exchanging grate for fireplaces. The combination grate includes a ducted heat exchanger suitable for positioning within a fireplace cavity. The heat exchanger comprises a plurality of hollow, generally parallel, C-shaped heat exchanger members which are carried by a glass door fireplace closure. One end of each of the heat exchanger members is attached to the fireplace closure by means of a sliding or floating seal and means are provided for preferentially directing the flow of air to the centermost heat exchanger members.

REFERENCES:
patent: 1747259 (1930-02-01), Pierce
patent: 2743720 (1956-05-01), Dollinger
patent: 3901212 (1975-08-01), Stites
patent: 4008734 (1977-02-01), Shimono et al.
patent: 4018210 (1977-04-01), Christophel
patent: 4072327 (1978-02-01), Young
"Dual Action Fireplace Furnace," Stone Castle, Inc., 6160 - 90th Ave. S.E., Mercer Is., Wash. (11/22/76).

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