A heat exchanger comprising a stack of sets of fins and tubes assembled to embossed plates with a void. The fins overlap the void having a peripheral margin of the fin attached to a peripheral margin on the plate around the void. Further provided are fins comprising through fluid apertures. Further provided are plat...

An atmospheric water generator (AWG) includes a defrost or reversing valve embedded on the refrigeration cycle of the AWG. The defrost or reversing valve enables, when activated, hot compressed refrigerant gas to flow from the condenser to the evaporator of the refrigeration cycle for melting frost buildup on the ev...

An atmospheric water generator (AWG) with a water cooling system is disclosed. In some embodiments, the AWG includes a cooling compartment defined by walls, designed to comprise a cooling medium and comprising a refrigerant coil. The storage tank for storing the water that are generated by the AWG shares at least a ...

AWG system (102) installed on, or coupled to, an apparatus (100) such as a vehicle, which may either have (i) a heat emitting element 106 which may provide residual heat that is produced by the apparatus (100) to the manufacture, treatment or dispensing of the water (112) generated by the AWG (102); (ii) a power sou...

The invention discloses an AWG having improvements designed to reduce noise, improve uniform airflow through the evaporator of the AWG and reduce energy consumption. In one embodiment the AWG includes an air inlet located in one of the sidewalls of the enclosure and a blower located in proximity to the air outlet at...

An apparatus and methods for extracting water from air with desiccants is disclosed. In some embodiments, the apparatus includes a reactor (i) for flowing hot dry air through a water saturated desiccant to desorb water therefrom into the hot dry air to obtain humidified hot air or (ii) for flowing an external airflo...