Fluid circulating system
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United States of America Patent
Stats
-
Jul 23, 1985
Grant Date -
N/A
app pub date -
Mar 8, 1983
filing date -
Mar 8, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fluid circulating system includes a thermal differential engine having a pair of expansion-contraction vessels each containing an expansion component expansible with heat for discharging fluid to a delivery line when heated and drawing fluid from a return line when cooled. Heated water is supplied alternatively to the pair of vessels to circulate the fluid through the delivery and return lines. The pair of expansion-contraction vessels are identical in volume and other characteristics and have multiple ports connected to anti-convectional valves and change-over valve.
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