Stove pipe heat extractor

Details Stove pipe heat extractor Stove pipe heat extractor

1977-11-02

1983-07-19

Cline, William R.

Heat exchange

With impeller or conveyor moving exchange material

Mechanical gas pump

165155, 165DIG2, 432223, F24F 302

Patent

active

043939252

ABSTRACT:
A heat extractor for picking up waste heat from flue gases is disclosed. The extractor attaches to the stove pipe of a furnace or stove. Air is introduced into the extractor in a spiral flow pattern which is reversed after the air is heated. Air flows into the room from the extractor in a 360.degree. pattern.

REFERENCES:
patent: 2122228 (1938-06-01), Goehler
patent: 2806677 (1957-09-01), Jacobs
patent: 2967047 (1961-01-01), Schluderberg
patent: 2991981 (1981-07-01), Andersen
patent: 3183960 (1965-05-01), Prat
patent: 3446279 (1969-05-01), White et al.

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