Importance

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Abstract

A fluid purification system includes an elongated ultraviolet radiation emitting tube and independent fluid flow-controlling conduits. Each conduit is transparent to allow ultraviolet light emitted by the tube to enter the conduit, and defines a continuous path, and is helically wound closely about the tube to insure that fluid flow through the conduits is exposed to the ultraviolet light. One embodiment of the system includes a filter typically a carbon filter, having inlet and outlet ports. An end of each conduit is connected to one of the inlet and outlet ports of the filter. The system thus exposes the fluid to ultraviolet radiation both before and after the fluid is filtered. Other embodiments include reverse osmosis units and deionization units wherein each entry, exit or discharge port is isolated from contamination by having a coiled connecting tube for the fluid exposed to ultraviolet radiation.

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First Claim