HEAT EXCHANGER
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United States of America Patent
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N/A
Issued Date -
Feb 24, 2011
app pub date -
Aug 17, 2010
filing date -
Aug 20, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A spiral heat-transfer pipe for heat exchange provided in a heat exchanger includes: an upstream heat-transfer pipe section disposed on an upstream side of a flow path of an external fluid flowing outside the spiral heat-transfer pipe; and a downstream heat-transfer pipe section disposed on a downstream side of the flow path. Each of the heat-transfer pipe sections is disposed so as to extend in a direction crossing the flow path of the external fluid. Each of an axis of the upstream heat-transfer pipe section and an axis of the downstream heat-transfer pipe section is tilted with respect to a horizontal plane. Also, the axis of the upstream heat-transfer pipe section crosses the axis of the downstream heat-transfer pipe section.
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