Fireplace heating unit

Details Fireplace heating unit Fireplace heating unit

1978-03-06

1980-08-26

Scott, Samuel

Stoves and furnaces

Liquid heater

126139, 237 51, D23 94, F24B 700

Patent

active

042190053

ABSTRACT:
In abstract a preferred embodiment of this invention is an improved fireplace heat exchanger in the form of an integral heat exchange system, fireplace closure, air tight glass doors and an outside air introduction system. The unit is built as a single unit and is installed as such either in new construction or preexisting fireplaces. The invention also includes a unique door locking system to assure air tight integrity between the interior of the house and the fire in the fireplace.

REFERENCES:
patent: 1670212 (1928-05-01), Richter
patent: 1681995 (1928-08-01), Miles
patent: 2158041 (1939-05-01), Covert
patent: 2270940 (1942-01-01), Elmore
patent: 3187526 (1965-06-01), Moler
patent: 3788678 (1974-01-01), Switzgable
patent: 3894527 (1975-07-01), Ickes
patent: 3901212 (1975-08-01), Stites
patent: 4004731 (1977-01-01), Zung
patent: 4091794 (1978-05-01), Stites
patent: 4095581 (1978-06-01), Billmeyer et al.
patent: 4108144 (1978-08-01), Wilhoite
patent: 4112915 (1978-09-01), Slavik
patent: 4119081 (1978-10-01), Edwards
patent: 4137895 (1979-02-01), Bittinger

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