HIGH THERMAL TRANSFER SPIRAL FLOW HEAT EXCHANGER
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United States of America Patent
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Issued Date -
Feb 25, 2010
app pub date -
Aug 19, 2008
filing date -
Aug 19, 2008
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Abandoned
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Abstract
A fluid heating system with a heat exchanger includes an elongated cylindrical tube with an inlet end and an opposed end. An array of film resistive elements is positioned on the outer surface of the cylindrical tube and extends circumferentially at least partially around the outer surface. A spiral channel guide is coaxially positioned within the cylindrical tube so as to force fluid flowing in the tube into a spiral path at least partially against an inner surface of the cylindrical tube. The spiral channel guide directs fluid flowing in the cylindrical tube so as to cause turbulence to occur in the flow and increase thermal transfer from the inner surface of the cylindrical tube to the fluid flowing in the tube.
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