By-pass values for heat exchanger
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United States of America Patent
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-
Jul 3, 2001
Grant Date -
N/A
app pub date -
Jun 9, 2000
filing date -
Mar 23, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A by-pass valve and a heat exchanger employing same is disclosed where the by-pass valve makes a short circuit from the heat exchanger inlet to the heat exchanger outlet to disable the heat exchanger under certain temperature conditions. The by-pass valve includes a housing defining a chamber. Three main ports communicate with the chamber, one being a valve port. A temperature responsive actuator located in the chamber operates a spring loaded valve to open and close the valve port. The valve port can be connected to one of the heat exchanger inlet or outlet, the other main ports are then connected in series with the other of the heat exchanger inlet or outlet.
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