Patent ID: 7244353

Claim:
A system for purifying fluid, said system comprising: a filtration canister for filtering particulates from the fluid and including: a cylindrical container, a filter element for removing the particulates from the fluid, the filtration canister adapted for receiving one of a plurality of types of the filter element and for receiving fluid via a pipe connection, a head for sealing an upper portion of the container, a threaded stud for securing the head and the container, a centering spring for securing the filter element around the threaded stud, means for securing and sealing the head and the filter element therein without allowing fluid to bypass the filter element; and a separate evaporation canister, in flow communication with the filtration canister, for removing liquid contaminants by evaporation and including: a heating wand and an evaporator cup assembly housed within the evaporation canister, said evaporator cup having a base containing an orifice through which fluid flow is received, said orifice defining an opening at a floor of the evaporator cup for directing fluid into the evaporator cup, the heating wand being disposed adjacent said floor and over said opening of the evaporator cup and defining a fluid volume within the evaporator cup and above the heating wand that is greater than a fluid volume within the evaporator cup and beneath the heating wand, wherein the fluid flow from the orifice engulfs the heating wand thereby facilitating heating of the fluid rising in the evaporator cup and the evaporation of the liquid contaminants.