[특허]Portable, potable water recovery and dispensing apparatus

Worldwide Water, L.L.C.

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Portable, potable water recovery and dispensing apparatus

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25D-021/14
미국특허분류(USC)	062/285; 062/093; 062/272
출원번호	US-0464132 (2006-08-11)
등록번호	US-7373787 (2008-05-20)
발명자 / 주소	Forsberg,Francis C. Colbert,Clayton
출원인 / 주소	Worldwide Water, L.L.C.
대리인 / 주소	Cox Smith Matthews Incorporated
인용정보	피인용 횟수 : 20 인용 특허 : 24

초록
▼

A portable, potable-water generator for producing high-purity liquid water by condensation of water vapor from ambient air. The generator employs an air filter to remove particulates and aerosols from the incoming air. An enclosed heat absorber cools the filtered air to its dew point and collects droplets of condensate into a condensate collector. Before discharge, the collected dew is treated in a bacteriostat loop to destroy adventitious living organisms and to filter out undesirable and dangerous contaminants. A recirculation loop provides the ability to recirculate stored condensate, including during periods of inactivity. Further, quick disconnect fittings and variable length flexible tubing allows use of the invention to serve remote dispensers and/or appliances and allow use of municipal water treated through the apparatus in low condensate situations.

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청구항
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The invention claimed is: 1. An apparatus for producing potable water comprising: (a) a portable enclosure having an air inlet port and an air outlet port; (b) a fan disposed within said enclosure to move air from said air inlet port to said air outlet port; (c) an air filter disposed to filter said air entering said enclosure through said air inlet port; (d) a water condenser having a dew-forming surface on which water vapor may condense from said air to form condensate; (e) a bacteriostat disposed to receive said condensate by gravity flow; (f) a pump disposed to pull said condensate from said bacteriostat and force said condensate upward through a water filter and into a storage tank; and (g) a cold water tank disposed to receive said condensate from said storage tank by gravity flow, said cold water tank having a dispenser for dispensing said condensate from said cold water tank. 2. The apparatus of claim 1 wherein said bacteriostat comprises an ozone generator. 3. The apparatus of claim 1 wherein said bacteriostat comprises a source of ultraviolet light. 4. The apparatus of claim 3 wherein said source of ultraviolet light comprises: (a) a canister having a reflective interior surface; and (b) a bulb at least partially disposed within said canister, said bulb being capable of radiating ultraviolet light through said condensate toward said reflective interior surface. 5. The apparatus of claim 4 further comprising a sensor adaptable for activating said pump upon sensing a volume of water. 6. The apparatus of claim 1 further comprising a conduit in fluid communication with said storage tank and said bacteriostat, said conduit being adaptable for recirculating said condensate from said storage tank through said bacteriostat and through said water filter. 7. The apparatus of claim 1 wherein said water condenser comprises a compressor, an expansion valve, and refrigerant, and wherein said compressor and said expansion valve are connected to permit flow of said refrigerant in a closed loop. 8. The apparatus of claim 7 wherein said water condenser further comprises a flow reverser for reversing the flow direction of said refrigerant in said water condenser. 9. The apparatus of claim 8 wherein said flow reverser comprises a flow rafter expansion valve. 10. The apparatus of claim 1 wherein said water condenser comprises an evaporator having a quickly reversible refrigeration cycle for alternately freezing and thawing the evaporator to produce said condensate. 11. The apparatus of claim 10 wherein said evaporator comprises a flow rafter expansion valve. 12. The apparatus of claim 1 further comprising a vaporization tank having a heating element adaptable for producing steam from impure water, wherein said steam condenses on said dew-forming surface to form said condensate. 13. The apparatus of claim 1 wherein said water filter comprises a solid-core charcoal filter. 14. The apparatus of claim 1 wherein said water filter comprises a reverse-osmosis membrane filter. 15. The apparatus of claim 1 further comprising a hot water tank disposed to receive said condensate from said cold water tank, said hot water tank having a heating element adaptable for heating said condenstate. 16. The apparatus of claim 1 further comprising a tube to permit direct introduction of medicines or vitamins into said cold water tank. 17. The apparatus of claim 16 further comprising a recirculation loop conduit in fluid connection with said storage tank for automatically recirculating water from said storage tank through said pump, said bacteriostat, and said water filter in a manner that effectively isolates medicinated or vitamin-treated water in said cold water tank. 18. The apparatus of claim 1 further comprising a Peltier-effect thermoelectric ice finger connected to said cold water tank. 19. The apparatus of claim 1 wherein said water condenser comprises a compressor, and wherein a water cooler connected to said cold water tank is adapted to absorb heat from said compressor so as to permit enclosure of said compressor within a hermetically sealed, insulated cover. 20. The apparatus of claim 15 wherein ambient temperature water may be dispensed from said hot water tank when said heating element is not provided with electrical power. 21. The apparatus of claim 15 further comprising a child-proof valve through which water may be externally dispensed. 22. The apparatus of claim 1 further comprising an inlet water line, operational controls, and related valves for admission of municipal water in the event that water cannot be generated from environmental air, said municipal water flowing via a discharge line through said water filter and said bacteriostat upon the opening of a dispenser. 23. The apparatus of claim 1 further comprising an inlet water line, operational controls, and related valves for admission of municipal water in the event that water cannot be generated from environmental air, said municipal water flowing via a discharge line through a booster pump, a non-membrane water filter, and a reverse osmosis membrane filter into said storage tank. 24. The apparatus of claim 1 further adapted to discharge purified water into a refrigerator-mounted ice-maker. 25. The apparatus of claim 1 wherein said dew-forming surface is plated with gold so as to increase the rate of heat transfer through said dew-forming surface. 26. The apparatus of claim 1 further comprising a mineralization canister through which the condensate is passed prior to external dispensing so as to add minerals to said condensate. 27. The apparatus of claim 1 further comprising an ozonator mounted upstream of said air filter to further assist in removing particulate matter from the intake air. 28. The apparatus of claim 1 further comprising an oxygenator through which the condensate is passed prior to external dispensing so as to introduce oxygen into said condensate. 29. The apparatus of claim 1 wherein said air filter is adapted to remove particulates of a diameter larger than 0.3 microns from said air. 30. The apparatus of claim 1 further adapted for integration with an air-conditioning unit wherein said dew-forming surface coincides with an evaporator of said air-conditioning unit. 31. The apparatus of claim 1 miniaturized into a counter-top embodiment so as to conserve space. 32. The apparatus of claim 1 further comprising an electrical heater to introduce heat into air passing over said water condenser. 33. The apparatus of claim 23 farther comprising a means for directing waste water from said membrane filter into water flowing into said membrane filter, thus recycling said waste water. 34. The apparatus of claim 4 wherein said canister is sealed and disposable. 35. The apparatus of claim 32 wherein said water condenser comprises a compressor, and wherein all electrical components other than said electrical heater, said compressor, and at least one transformer operate at a voltage less than approximately 35 volts so as to be "low voltage". 36. The apparatus of claim 12 further comprising an electrical heater to introduce heat into air passing over said water condenser, wherein said water condenser comprises a compressor, and wherein all electrical components other than said heating element, said electrical heater, said compressor, and at least one transformer operate at a voltage less than approximately 35 volts so as to be "low voltage". 37. The apparatus of claim 1 wherein said cold water tank comprises a refrigerant coil for chilling said condensate. 38. The apparatus of claim 15 wherein said hot water tank further comprises a second dispenser for dispensing hot water from said hot water tank. 39. An apparatus for producing potable water comprising: (a) a portable enclosure having an air inlet port and an air outlet port; (b) a fan disposed within said enclosure to move air from said air inlet port to said air outlet port; (c) an air filter disposed to filter said air entering said enclosure through said air inlet port; (d) a water condenser having a dew-forming surface on which water vapor may condense from said air to form condensate; (e) a bacteriostat disposed to receive said condensate and kill bacteria in said condensate; and (f) a water filter disposed to receive said condensate and remove particles from said condensate; wherein said water condenser comprises an evaporator having a quickly reversible refrigeration cycle for alternately freezing and thawing the evaporator to produce said condensate. 40. The apparatus of claim 39 wherein said water condenser comprises a flow rafter expansion valve. 41. An apparatus for producing potable water comprising: (a) a vaporization tank comprising a heating element adaptable for producing steam from impure water; (b) an evaporator positioned to receive said steam, said evaporator comprising at least one dew-forming surface on which said steam may condense to form condensate; (c) a bacteriostat disposed to receive said condensate and kill bacteria in said condensate; and (d) a water filter disposed to receive said condensate and remove particles from said condensate. 42. The apparatus of claim 41 further comprising a storage tank for receiving said condensate. 43. The apparatus of claim 42 farther comprising a pump adapted for moving said condensate through said water filter and into said storage tank.

이 특허에 인용된 특허 (24)

이 특허를 인용한 특허 피인용횟수: 20

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Portable, potable water recovery and dispensing apparatus

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Portable, potable water recovery and dispensing apparatus

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