Indirect evaporative cooling heat exchanger

Details Indirect evaporative cooling heat exchanger Indirect evaporative cooling heat exchanger

2006-10-31

2006-10-31

Walberg, Teresa J. (Department: 3753)

Heat exchange

Casing or tank enclosed conduit assembly

Manifold formed by casing section and tube sheet of assembly

C029S890035, C029S890049, C165S173000

Reexamination Certificate

active

07128138

ABSTRACT:
A heat exchanger including a header having a plurality of header openings with rigid tubes that may be made of plastic are inserted in the openings. The tubes are sealed to the header to prevent leakage between the header and the tubes to prevent water and air leakage between the wet, scavenger air stream flowing through the tubes and a dry air stream flowing around the tubes. A method of making the heat exchanger includes providing the openings with a flange and uses an interference fit between the rigid heat exchange tubes and the header openings. A self-leveling sealant may be used to seal the heat exchanger tubes to the header using, for example, a paint roller and/or a paint sprayer.

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Aztec Cooling, Jun. 21, 2000, [online], [retrieved on May 6, 2004] Retrieved from the Aztec Sensible Cooling website using Internet URL: http://www.mestek.com/companies/Aztec.html.
Indirect Evaporative Cooling, [online], [retrieved May 26, 2004] Retrieved using Internet URL: http://www.espnw.com/QDT/IDEC.html.
Indirect Evaporative Cooling, [online], [retrieved May 25, 2004] Retrieved from the Energy Labs Inc. website using Internet URL: http://www.energylabs.com/web/components.asp?OP=Indirect—Evaporative—Cooling.
Indirect/ Direct Multiple Stages of Cooling, [online], [retrieved May 26, 2004] Retrieved using Internet URL: http://www.specair.net/stageii.html.

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