Davis Energy Group, Inc.

Duncan Callaway

Richard Curtis Bourne

Brian Eric Lee

A two stage indirect evaporative cooler that moves air from a blower mounted above the unit, vertically downward into dry air passages in an indirect stage and turns the air flow horizontally before leaving the indirect stage. After leaving the dry passages, a major air portion travels into the direct stage and the remainder of the air is induced by a pressure drop in the direct stage to turn 180&#xb0; and returns horizontally through wet passages in the indirect stage and out of the unit as exhaust air.

Two stage indirect evaporative cooling system

An evaporative heat exchanger having parallel plates that define alternating dry and wet passages. A water reservoir is located below the plates and is connected to a water distribution system. Water from the water distribution system flows through the wet passages and wets the surfaces of the plates that form the wet passages. Air flows through the dry passages, mixes with air below the plates, and flows into the wet passages before exiting through the top of the wet passages.

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Oakland, CA, United States of America

Duncan Callaway