https://patents.google.com/patent/US20090200151A1/en
US20090200151A1 - Apparatus for Purification of Water - Google Patents
Apparatus for purification or water having an evaporation chamber ( 3 ), a roof ( 5 ) and a condensation chamber ( 8 ) and wind air inlet means ( 14, 15 ). The...
purification of waterapparatusgooglepatents