Tube bundle heat exchanger for controlling a wide performance range
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United States of America Patent
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Oct 27, 2015
Grant Date -
Aug 4, 2011
app pub date -
Sep 18, 2009
filing date -
Sep 23, 2008
priority date (Note) -
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Abstract
A tube bundle heat exchanger includes tubes channeling a gas flow and a pressure shell enclosing the tubes channeling a coolant flow. First and second nozzles are disposed at a rear end of the pressure shell and third and fourth nozzles are disposed at a front end of the pressure shell. A feed pipe includes a first three-way valve and a drain pipe includes a second three-way valve. A first bypass pipe is connected to the first three-way valve and the third nozzle, a second bypass pipe is connected to the first three-way valve and the first nozzle, a third bypass pipe is connected to the second three-way valve and the second nozzle, and a fourth bypass pipe is connected to the second three-way valve and the fourth nozzle. One of the three-way valves is controllable.
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