An apparatus for disinfecting a fluid has a fluid-containing structure; an inward-facing first electrically conductive cylindrical body contained within said fluid-containing structure; an outward-facing electrically conductive second cylindrical body disposed within said first cylindrical body, in
An apparatus for disinfecting a fluid has a fluid-containing structure; an inward-facing first electrically conductive cylindrical body contained within said fluid-containing structure; an outward-facing electrically conductive second cylindrical body disposed within said first cylindrical body, in mutually facing parallel and coaxial relation thereto, and spaced apart therefrom to define a fluid-occupiable cavity; a power supply electrically coupled between said first cylindrical body and said second cylindrical body, said power supply producing therebetween an electric field, said field comprising a waveform approximating a series of alternating square wave pulses of opposite polarity, said pulses having a maximum absolute value of approximately 60 volts per centimeter, a complete cycle of said waveform, comprising a first pulse and a succeeding pulse of opposite polarity, recurring with a frequency of between about 2 kHz and and about 5 kHz and providing about 2 amps to about 4 amps.
대표청구항▼
1. A method of disinfecting a fluid, comprising: placing the fluid between an inward-facing first electrically conductive cylindrical body and an outward-facing electrically conductive second cylindrical body disposed within first cylindrical body, in mutually facing parallel and coaxial relation th
1. A method of disinfecting a fluid, comprising: placing the fluid between an inward-facing first electrically conductive cylindrical body and an outward-facing electrically conductive second cylindrical body disposed within first cylindrical body, in mutually facing parallel and coaxial relation thereto, and spaced apart therefrom to define a fluid-occupiable cavity; andelectrically energizing said first cylindrical body and said second cylindrical body, producing therebetween an electric field, said field comprising a waveform approximating a series of alternating square wave pulses of opposite polarity, said pulses having a maximum absolute value of approximately 60 volts per centimeter, a complete cycle of said waveform, comprising a first pulse and a succeeding pulse of opposite polarity, recurring with a frequency of between 2 kHz and 5 kHz. 2. A method in accordance with claim 1, wherein said waveform comprises a delay period, between a pulse and a succeeding, opposite pulse, during which delay period the electric field intensity has a value of approximately zero, said delay period being between zero and 20 microseconds. 3. A method in accordance with claim 1, wherein said complete cycle recurs with a frequency of between 3 kHz and 4 kHz. 4. A method in accordance with claim 1, wherein said first and second cylindrical bodies comprise 304 Stainless Steel. 5. A method in accordance with claim 1, wherein said fluid-occupiable cavity comprises a dielectric. 6. A method in accordance with claim 1, wherein said fluid-occupiable cavity comprises Schedule 40 PVC pipe. 7. A method in accordance with claim 1, wherein said second cylindrical body has a length of approximately 16 cm. and an outer diameter of approximately 4 cm., said first cylindrical body has a length of 16 cm. and an inner diameter of approximately 7 cm., and a power supply. applies a voltage having a maximum absolute value of approximately 90 volts, resulting in a current of minimum average absolute value approximately 3 amperes. 8. A method in accordance with claim 1, wherein said complete cycle recurs with a frequency of about 3.5 kHz. 9. A method in accordance with claim 7, wherein said current has a minimum absolute value of about 3.3 amperes. 10. A method in accordance with claim 9, wherein said complete cycle recurs with a frequency of about 3.5 kHz.
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