Self Filling Water Bottle

Self Filling Water Bottle

Fontus has designed a clever way for cyclists and hikers to stay hydrated in the great outdoors. The company has developed a self-filling water bottle that pulls moisture from the air – so you never have to worry about refills ever again. The solar-powered technology harvests water using a Peltier Element– a two-chambered cooler designed to encourage condensation. As air moves through the upper chamber, it is slowed by several barriers. The decrease in airflow speed allows for the release of water molecules, which are pulled from the air and then stored in a bottle.

It is essential, for good times and good health, to stay hydrated while enjoying the outdoors. In the heat of it all, even the most conscious hikers and bikers can forget to refill their water bottles, putting them in a precarious position. Kristof envisioned the Fontus to be practical and resilient. “My goal was to create a small, compact and self-sufficient device able to absorb humid air, separate water molecules from air molecules and store water in liquid form in a bottle,” says Retezár.

After over 30 experiments, Retezár was able to calibrate Fontus to achieve a steady output of one drop of condensed water per minute. Given the right conditions, the device can harvest as much as a half liter of water in an hour. Although this is an impressive achievement, it is not sufficient for a hot, humid day. The Fontus is also ineffective in urban areas, where pollution contaminates water molecules pulled from city air.

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