Air conditioning apparatus and associated condensate drain...

Details Air conditioning apparatus and associated condensate drain... Air conditioning apparatus and associated condensate drain...

2005-11-22

2008-10-07

Jones, Melvin (Department: 3744)

Refrigeration

With means preventing or handling atmospheric condensate...

Retainer or flow director for atmospheric condensate

C062S272000

Reexamination Certificate

active

07430877

ABSTRACT:
A packaged air conditioner or heat pump unit is provided with an elongated removable drain pan having an inner longitudinal portion that underlies and receives condensate falling from the portion of the unit's indoor coil positioned within the conditioned air flow through the unit. An outer longitudinal portion of the drain pan underlies tubing portion return bends of the coil positioned outside of the conditioned air flow and separated from the inner longitudinal pan portion by a vertical dividing wall having a small condensate transfer hole therein. During cooling operation of the unit, the unit blower creates a negative pressure inwardly adjacent the hole which draws return bend condensation from the outer longitudinal pan portion into the inner longitudinal pan portion for drainage outwardly therefrom, with the condensate received from the balance of the coil, via a drain line connected to the pan.

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Rheem “Self-Contained Heat Pump Package Units” brochure sheets (Mar. 2004).

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