Water purifier

Details Water purifier Water purifier

1990-09-24

1994-01-25

Drodge, Joseph W.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

204240, 204249, 204305, 210 87, 210 97, 210136, 210243, 210440, B01D 3506

Patent

active

052813304

ABSTRACT:
A water purifying apparatus of compact construction. The water purifying apparatus has a water channel for receiving water via an inflow passage and discharging water via an outflow passage. An electrically conductive filter is disposed in and fully occupies a portion of the water channel for purifying water flowing through the filter. A first electrode is electrically connected to the filter, and a second electrode, disposed in the filter, is electrically connected to the filter via water flowing through the filter. A battery supplies voltage between the first and second electrodes. A switch controls application of the voltage from the batteries to the first and second electrodes. A circuit board having a control circuit is disposed above the first electrode, the second electrode and the switch. The circuit board is electrically connected to the various electronic components.

REFERENCES:
patent: 3252885 (1966-05-01), Griswold
patent: 4119517 (1978-10-01), Hengst
patent: 4451341 (1984-05-01), Miller
patent: 4762611 (1988-08-01), Schipper
Matsunaga, Tadashi; Namba, Yoichi; and Nakajima, Toshiaka, "Electrochemical Sterilization of Microbial Cells," Bioelectrochemistry and Bioenergetics, 13 (1984) 393-400.
Kawamoto, Ryuichi, "(6-12) Research on Low-Voltage Sterilization System for Home-Service Water Purifier," 41st All Japan Waterworks Research Report Meeting, 6, Water System Branch, May 1990, pp. 475-477.

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