Liquid purification or separation – Flow – fluid pressure or material level – responsive – Check valve
Patent
1977-02-11
1978-09-19
Wyse, Thomas G.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Check valve
210192, 210209, 210167, 210290, 422305, C02B 138, C02B 308
Patent
active
041152670
ABSTRACT:
A bath water treating system in which even higly resistant germs may be destroyed by treating the bath water with ozone and a halogen compound such as bromine or hydrobromic acid to establish a redox potential in excess of 600 mV. The bath water is recycled through a quartz type filter loaded with a composite filtering medium. The filtering medium comprises two superposed layers, a lower layer consisting of a mixture of filter gravel and mineralized charcoal, and an upper layer of activated charcoal. A halogen or halogen compound is adsorbed in the charcoal layer. An ozone generator is mounted within the filter housing. The bath-tub assembly comprises a cabinet in which are mounted a bath-tub, a filtering and degerminating unit and the respective accessories and controls. The ozonizer is removably mounted within the filter housing and includes a mixing chamber and check valves.
REFERENCES:
patent: 1947594 (1934-02-01), Heijkenskjold
patent: 3997631 (1976-12-01), Matsuoka et al.
Bachhofer Bruno
Locher Anton
Quistorff Hansjorg
Skirde Gerhard
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