Flexible Heat/Mass Exchanger
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United States of America Patent
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Issued Date -
Jun 3, 2010
app pub date -
May 2, 2008
filing date -
May 2, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A flexible heat/mass exchanger constructed of flexible layers defining a flow channel and exterior surfaces. The heat/mass exchanger utilizes a working liquid, such as water, that is present in the flow channel during use. The heat/mass exchanger uses one or more porous and/or permeable materials to allow mass exchange between the working liquid in the flow channel and the environment surrounding the heat/mass exchanger. In a cooling mode, evaporation of the working liquid occurs via the mass exchange. In a dehumidification mode, moisture in the surrounding environment is transported to the working liquid via the mass exchange. In some embodiments, the heat/mass exchanger is made of a number of flexible sheets of material. One or more flexible heat/mass exchangers may be used to form a semi-closed system, such as a personal cooling system with a circulating coolant loop, or an open system, such as a personal hydration system.
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