Patent ID: 6880354

Claim:
A compact roof top air conditioning unit for a vehicle, said unit having an evaporator coil mounted adjacent to a condenser coil, wherein said unit further includes: at least one cylindrical blower mounted upon a horizontally disposed shaft for moving return air from a conditioned region inside said vehicle over the coil; an electrical drive motor for turning said shaft; a drip pan mounted beneath the evaporator coil, said drip pan having a trough for conducting condensate away from the evaporator coil; a circular disc secured to said shaft for turning within a vertical plane; a housing surrounding said disc, said housing having a sump and an intake port in a lower section thereof, said intake port communicating with said trough so that condensate in said trough flows into said sump and is carried by said disc to a higher elevation as said disc turns; a chamber tangentially aligned with said disc in the upper part of the housing wherein condensate that is carried upwardly by said disc is delivered into said chamber; and a discharge tube connected to said chamber for passing condensate from said chamber over condenser coil surfaces.