Stoves and furnaces – Liquid heater – Boiler receiving hot liquid or steam from stove or furnace
Patent
1975-03-31
1976-06-22
Sprague, Kenneth W.
Stoves and furnaces
Liquid heater
Boiler receiving hot liquid or steam from stove or furnace
126374, 137113, 122448B, 236 1E, 236 20R, F24H 100
Patent
active
039644669
ABSTRACT:
A parallel water heating system having a plurality of water heaters supplying heated water to a plurality of water consuming loads. The water consuming outlet conduit from each of the water heaters includes a temperature responsive control valve that controls the flow rate of hot water from that particular heater to the various parallel connected loads. Each of these control valves is selected to be fully open when the water temperature is above an upper predetermined value and fully closed when below a lower predetermined value. Between the upper and lower predetermined values the valve preferably varies from fully open to fully closed by an amount that is about linearly proportional to the decrease in temperature.
REFERENCES:
patent: 2083612 (1937-06-01), Midyette, Jr.
patent: 2780206 (1957-02-01), La Rocque et al.
patent: 3461854 (1969-08-01), Toni et al.
patent: 3684169 (1972-08-01), Clinton
Curry Charles D. B.
Schwartz Larry I.
Sciascia R. S.
Sprague Kenneth W.
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