Liquid purification or separation – With time control
Reexamination Certificate
2005-08-16
2005-08-16
Hoey, Betsey Morrison (Department: 1724)
Liquid purification or separation
With time control
C204S229400, C204S229600, C204S230200, C204S272000, C204S663000, C204S670000
Reexamination Certificate
active
06929740
ABSTRACT:
A water purification apparatus used to prevent the formation of scale around electrodes which form part of the apparatus. The apparatus comprises at least one electrode containing a proportion of an ion-emitting electrode such as copper, silver or a copper and silver alloy and at least one electrode containing a proportion of a non-emissive metal such as titanium. The electrodes are connected to a DC power supply which has switching means to reverse the polarity of the electrodes at predetermined intervals. The apparatus ensures accurate control of disinfection and minimal equipment maintenance.
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Hoey Betsey Morrison
Renner Kenner Greive Bobak Taylor & Weber
T.P. Technology plc
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