Heating systems – Automatic control – Water
Patent
1978-07-21
1980-08-12
Davis, Albert W.
Heating systems
Automatic control
Water
126299R, 165 35, 165105, 165DIG12, F24D 308
Patent
active
042169038
ABSTRACT:
A heat exchange system for recycling waste heat leaving a building stack to supply heat to incoming fresh air or temper stored water of the building water storage system, wherein the building has a source of heat at constant temperature, such as a cooking facility, from which air conveying waste heat is drawn and impelled through a stack in which a closed circuit heat generated refrigerant flow type refrigeration system is established including a heat recovery coil in the stack, heat discharge coils in heat transfer relation to the incoming fresh air and the stored water, liquid refrigerant traps that permit free flow therethrough of the refrigerant adjacent the heat discharge coils adjacent their discharge ends, and thermostatically controlled valves for alternately disconnecting the heat discharge coils from the heat recovery coil in accordance with a predetermined ambient air temperature exteriorally of the building.
REFERENCES:
patent: 904499 (1908-11-01), Ammon
patent: 2083611 (1937-06-01), Marshall
patent: 2522373 (1950-09-01), Jodell
patent: 3749158 (1973-07-01), Szabo et al.
patent: 3827343 (1974-08-01), Darm
patent: 3980072 (1976-09-01), Jacobs
patent: 4071080 (1978-01-01), Bridgers
patent: 4084745 (1978-04-01), Jones
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