Two liquid heat exchange system and safety valve to prevent contamination
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United States of America Patent
Stats
-
Mar 16, 1982
Grant Date -
N/A
app pub date -
Jul 13, 1979
filing date -
Jul 13, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A two liquid heat exchange system, and a safety valve to prevent contamination of one liquid (first liquid) by the other. In systems such as hydronic solar systems, it is customary for a first liquid to be heated and run through a heat exchanger where its heat is transferred to a second liquid, often in a storage tank. This invention provides a safety valve which dumps the first liquid in case the pressure of the second liquid does not exceed the pressure of the first liquid by at least a predetermined difference.
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