초록 ▼

An evaporative cooling system is disclosed which uses a heat pipe device comprising first and second heat exchangers to transfer heat from the space being cooled to an evaporative cooler. Evaporative cooling is produced by passing atmospheric air over wet pads and the first heat exchanger. Evaporati

An evaporative cooling system is disclosed which uses a heat pipe device comprising first and second heat exchangers to transfer heat from the space being cooled to an evaporative cooler. Evaporative cooling is produced by passing atmospheric air over wet pads and the first heat exchanger. Evaporation of water removes heat from the atmospheric air and from the first heat exchanger containing refrigerant vapor, causing condensation of a portion of the vapor. The condensate moves to the second heat exchanger which contains liquid refrigerant. Room air is passed through the second heat exchanger and gives up heat to vaporize the liquid refrigerant. Vaporized refrigerant moves to the first heat exchanger where it is condensed as previously described. The cooled atmospheric air is then used to cool the condenser of a vapor compression machine, the evaporator of which is located in the flow path of the room air downstream of the heat pipe, further cooling the room air to desired conditions. Evaporative coolers using heat pipe devices and arranged in multi-stage configurations to produce greater cooling effects are also disclosed.

대표청구항 ▼

In an indirect evaporative cooling system for cooling air in an enclosed space, a heat transfer system comprising first and second heat exchangers, said first and second heat exchangers in turn comprising a heat pipe, said heat exchangers being filled with refrigerant, at least a portion of the refr

In an indirect evaporative cooling system for cooling air in an enclosed space, a heat transfer system comprising first and second heat exchangers, said first and second heat exchangers in turn comprising a heat pipe, said heat exchangers being filled with refrigerant, at least a portion of the refrigerant in the first heat exchanger being in a vapor state and at least a portion of the refrigerant in said second heat exchanger being in a liquid state under equilibrium conditions, a source of water, a source of outside air, means for circulating water and outide air from said sources over said first heat exchanger whereby at least some of the water is evaporated and heat is transferred from the refrigerant to the evaporating water and means for circulating air from said enclosed space through said second heat exchanger whereby to transfer heat from the air in the enclosed space to the refrigerant.