Home water distiller

Claim 1

A home water distilling apparatus comprising a housing defining a boiling chamber, heating means to heat and evaporate water in said boiling chamber, a water level control in said boiling chamber comprising drain means opening to said boiling chamber and permitting flow of excess water from said boiling chamber over a weir when the water level exceeds the control level of said weir in said boiling chamber, means associated with said housing defining a preheat water chamber having an inlet and a supply passageway forming an outlet from said preheat chamber to said boiling chamber and permitting free flow of water from said preheat chamber to said boiling chamber when the water level in the preheat chamber is above a desired level, said supply passageway opening to said boiling chamber below the control level of said weir, valve means to control flow of input water from a source to said preheat water chamber at the inlet to the preheat water chamber, means forming a condenser passageway having an inlet operatively connected to receive water vapor from said boiling chamber and having an outlet for distilled water, said means forming a condenser passageway being positioned to provide heat transfer from water vapor in the condenser passageway to water in said preheat water chamber, said valve means including a thermo responsive portion operable as a function of the temperature of distilled water in the condenser passageway to open said valve means to admit inlet water from a source to said preheat water chamber and permit flow through said supply passageway to said boiling chamber when the thermo responsive portion senses a temperature greater than a desired level.