Patent ID: 7430877

Claim:
Air conditioning apparatus comprising: a wall structure defining an air flow passage; a cooling coil from which condensate falls during use thereof, said cooling coil having a first portion disposed within said air flow passage and a second portion disposed externally thereto; pressure-creating apparatus for creating a negative pressure within said air flow passage adjacent said first portion of said cooling coil; and a condensate drain pan having: a first drain pan portion positioned to catch condensate falling from said first cooling coil portion, a drain conduit communicated with and operative to drain condensate from said first drain pan portion, a second drain pan portion positioned to catch condensate falling from said second cooling coil portion, and a wall section separating said first and second drain pan portions, said wall section having a condensate transfer opening therein through which said negative pressure is operative to draw condensate from within said second drain pan portion into said first drain portion for discharge therefrom through said drain conduit.