Patent ID: 7597784

Claim:
A liquid distillation system comprising: an input for receiving untreated input liquid; a sump in communication with the input wherein the sump comprising at least one heating element and wherein input liquid is preheated; an evaporative condenser coupled to the sump for transforming the liquid to vapor and for transforming compressed vapor into a distilled liquid product; a head chamber for collecting vapor from the evaporative condenser; and a vapor pump for compressing the vapor, the vapor pump in communication with the head chamber and comprising: a single continuous internal drive shaft; at least one intake for axial feeding; and an eccentric rotor with a fully rotatable housing, the rotatable housing supported by a rotatable housing shaft; wherein the evaporative condenser comprising a plurality of parallel core evaporator tubes, each tube having a first open end in communication with the sump and a second open end in communication with the head chamber.