Hand-held ultraviolet water purification system

Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using direct contact with electrical or electromagnetic...

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Details

250432R, 250504H, 210748, C02F 132

Patent

active

061104248

ABSTRACT:
A hand-held water purification system includes a pen-light sized ultraviolet lamp that is enclosed in a quartz cover and is powered by a battery and associated ballast circuitry. The battery and ballast circuitry are connected to the lamp by switches that are under the control of a liquid-level sensor. The sensor connects the battery, the ballast circuitry and the lamp once the sensor determines that the ultraviolet lamp is fully immersed in the water. If the container that holds the water is relatively large, the lamp and quartz cover end of the system are used to stir the water, to ensure that all of the water comes sufficiently close to the ultraviolet lamp.

REFERENCES:
patent: 1896365 (1933-02-01), Harding
patent: 1965947 (1934-07-01), Prouty
patent: 3843521 (1974-10-01), Zeff
patent: 4276256 (1981-06-01), Karamian
patent: 4762613 (1988-08-01), Snowball
patent: 5173269 (1992-12-01), Mon et al.
patent: 5900212 (1999-05-01), Maiden et al.

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