Forced air heating system utilizing fireplace as primary heat so

Details Forced air heating system utilizing fireplace as primary heat so Forced air heating system utilizing fireplace as primary heat so

1976-10-18

1977-10-25

Wayner, William E.

Automatic temperature and humidity regulation

Hot-air furnace

Air and fire control

237 51, F23N 000

Patent

active

040552977

ABSTRACT:
A forced air heating system for homes and other buildings wherein a fireplace with a circulating air heating chamber is interposed between the fan exhaust of a conventional forced air furnace and a network of air outlet registers positioned in the various rooms to be heated. A bypass air duct is positioned in parallel with the fireplace between the fan exhaust and the network of outlet registers to provide an alternate path for the forced air exhausted from the furnace fan. The system has a control circuit sensitive to room temperature, fireplace heating chamber temperature, and other duct temperatures for automatically operating the system either in a primary mode wherein the fireplace is the primary forced air heating source, or in a secondary mode where the furnace heating elements are the primary heat source. Automatically controlled dampers determine through which of the two parallel ducts the forced air from the furnace fan will travel to the outlet registers, dependent on the mode of operation. In the primary mode, the circuit automatically permits the furnace heating elements to act as a superheater for the heating air under conditions of low fireplace heat output, or alternatively to remain wholly unactivated under conditions of sufficient fireplace heat output.

REFERENCES:
patent: 551651 (1895-12-01), Robinson
patent: 2186539 (1940-01-01), Slayter et al.
patent: 3169516 (1965-02-01), Agnese
patent: 3834619 (1974-09-01), Glover
patent: 3958755 (1976-05-01), Cleer
patent: 3977601 (1976-07-01), Bearzi

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