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INDIRECT EVAPORATIVE COOLER USING MEMBRANE-CONTAINED, LIQUID DESICCANT FOR DEHUMIDIFICATION

  • US 20100319370A1
  • Filed: 01/25/2008
  • Published: 12/23/2010
  • Est. Priority Date: 01/25/2008
  • Status: Active Grant
First Claim
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1. An indirect evaporative cooler for cooling a stream of inlet supply air from a first temperature to a second, lower temperature using a stream of liquid coolant and a stream of exhaust or purge air, comprising:

  • a first flow channel for receiving the stream of inlet supply air; and

    a second flow channel adjacent to the first flow channel and for receiving the stream of exhaust air at a temperature lower than the first temperature;

    wherein the second flow channel is defined in part by a sheet of a membrane at least partially permeable to water vapor and wherein the stream of liquid coolant flows on a side of the membrane opposite the second flow channel.

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