Water purification system utilizing ultraviolet radiation

Details Water purification system utilizing ultraviolet radiation Water purification system utilizing ultraviolet radiation

1976-03-24

1977-04-12

Willis, Davis L.

Radiant energy

Fluent material containment, support or transfer means

With cleaning means

250435, G01n 2124

Patent

active

040177343

ABSTRACT:
A water purification system utilizes an ultraviolet generator encased in a quartz cylinder to irradiate water flowing through a passageway defined by the surface of the quartz cylinder and an outer casing. An ultraviolet sensor and control circuit shuts off the water when the ultraviolet radiation level drops below a predetermined level. A flow-sensing switch controls an ultraviolet dimming circuit which reduces the generator output when water is not flowing. Water flow is controlled by reduced annular spaces at the inlet and outlet of the passageway and the quartz cylinder and the ultraviolet sensor are kept free of sedimentation by wiper blades.

REFERENCES:
patent: 3061721 (1962-10-01), Brenner
patent: 3182191 (1965-05-01), McFarland et al.
patent: 3182193 (1965-05-01), Ellner et al.
patent: 3456107 (1969-07-01), Robertson

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