Hot water circulating system
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United States of America Patent
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May 1, 1990
Grant Date -
N/A
app pub date -
Jul 29, 1988
filing date -
Jul 31, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hot water circulating system capable of decreasing energy loss, increasing the amount of hot water to be circulated per unit time and reducing time required for each circulating cycle. The system includes a valve opened at the start of emptying of water out of a water boiler to supply water from an open tank to the water boiler. The water boiler is divided into a heated section and a hot water receiving section arranged above and communicated with the heated section.
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