Patent ID: 6990824

Claim:
A cooling apparatus comprising: a plenum having an inlet and an outlet, the outlet being located higher than the inlet and being offset in a lateral direction therefrom; a heat exchanger mounted in said plenum between said inlet and said outlet; at least one air moving device mounted in said plenum in series with said heat exchanger, said air moving device being operable to draw air in at said inlet, and to compel air to pass through said heat exchanger and to exit said plenum at said outlet; an open faced bed mounted between said outlet of said plenum and said inlet of said plenum; said bed having a pooling zone to which relatively cooler air may drain, said inlet of said plenum being mounted to draw from said pooling zone; and said bed having an air drain manifold mounted therein, said drain manifold being located in said bed in a position to facilitate movement of air to said pooling zone.