WO2002094725A2 - A method and device for recovery of water from the atmospheric air - Google Patents
A method and device for recovery of water from the atmospheric air Download PDFInfo
- Publication number
- WO2002094725A2 WO2002094725A2 PCT/IN2001/000107 IN0100107W WO02094725A2 WO 2002094725 A2 WO2002094725 A2 WO 2002094725A2 IN 0100107 W IN0100107 W IN 0100107W WO 02094725 A2 WO02094725 A2 WO 02094725A2
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- WO
- WIPO (PCT)
- Prior art keywords
- water
- atmospheric
- vapour
- recovering
- filtering
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 238000011084 recovery Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 8
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 239000003507 refrigerant Substances 0.000 claims abstract description 5
- 230000001131 transforming effect Effects 0.000 claims abstract description 4
- 238000011109 contamination Methods 0.000 claims abstract 2
- 238000000746 purification Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 235000012206 bottled water Nutrition 0.000 description 9
- 239000003651 drinking water Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 3
- 231100000206 health hazard Toxicity 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000003957 anion exchange resin Substances 0.000 description 1
- 210000003092 coiled body Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/28—Methods or installations for obtaining or collecting drinking water or tap water from humid air
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
- C02F9/20—Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Definitions
- This invention relates to the field of extracting potable hquid, from the atmospheric air and a system therefore. More particularly, the invention is on extracting potable water from the atmospheric air, irrespective of pollution level, and a device therefore.
- water-treating devices For treating contaminated water for potable purposes, there are water-treating devices are available.
- Popular among the water treating device are those using anion exchange resins and ultra violet treatment, which are installed online. These devices though treat water during their initial period of installation, they require periodical maintenance and repair, for which they f equently have to be removed and re-installed. Removal and re-installation requires skilled labour and also in terms of money.
- on-line installed water treating devices require flow of water in the mains supply. No water in the mains, no treated water.
- One of the objects of the invention is to render availability of pure and potable water irrespective of availabihty of water in the mains supply.
- Another object of the invention is to make available pure potable water in any place, irrespective of availability of water supply and/or electricity, or conventional or unconventional energy.
- Another object of the invention is to make available optimum amount of pure and potable water involving no health hazard for human beings and other living beings.
- the invention provides a method and a device for recovery of bacteria-free and safe potable water from the atmospheric air.
- the device for recovery of bacteria-free and safe potable water from atmospheric air envisaged according to the invention draws warm humid air from the atmosphere into it's evaporator coils. Temperature of the atmospheric air drawn into the device of the invention is reduced to below the dew point condition and the water is collected on the condenser coil.
- the recovery of pure and potable water from the atmospheric air comprises steps of filtering atmospheric humid air and feeding into a condenser, condensing and fransforming water vapour in the filtered air to tiquid, i.e. water, collecting the water in a vessel, filtering of the water, and wim ⁇ rawing filtered water for ultimate use.
- the device for recovery of pure and potable water from the atmospheric air comprises in combination, at least an air suction unit an evaporator, a condenser, a compressor, water collecting unit, water filter and control circuit for regulating recovery of water, and built into a compact and portable unit.
- a method and a device for recovery of water from humid atmospheric air comprises the steps of blowing of the humid atmospheric air into a filtering device, where dust and unwanted particles in the air are filtered.
- the filtered air is fed into a condenser coil for transformation of the water vapour in the humid air into hquid, i.e. water, in a vessel or the like container. Passing the water so transformed through water filtering device, water purification device and cooling device, to ensure safety, and then drained for potable or other purposes.
- a device for recovery of water from the humid atmospheric air comprises in combination at least one ah filter, for filtering particulate and other contaminants in the ah.
- the condenser comprises of a compressor with ref igerant composition for condensing of the water vapour in the atmospheric ah sucked onto the condenser coil.
- FIG. 1 is an illustrative block diagram of the device for recovery of water from the atmospheric ah, envisaged according to one embodiment of the invention.
- FIG.2 illustrates a blown-up view of the device for recovery of water from the atmospheric ah, shown in FIG.l.
- FIG.3 illustrates a cabinet mounted on a trolley, enclosing the components shown in FIGs.1 and 2.
- FIG.4 illustrates top view of the cabinet shown in FIG.3,
- FIG.5 illustrates lay out of the printed chcuit board for opening the assembly shown in FIG.1.
- 101 is a blower for feeding atmospheric ah into the device
- 102 is an ah filter for filtering particular materials in the ah
- 103 is a suction unit sucking filtered ah
- 104 is an evaporator transforming water vapour into hquid
- 105 is a condenser separating hquid from the ah
- 106 is a water collecting vessel collecting water from the condenser 105
- 107 is a water filter filtering water collected in the vessel 106
- 108 is a container collecting filtered water from the vessel 106
- 109 is an outlet for dispensing water from the container 108.
- FIG.2 is a blown-up view of the device for recovering water from the humid atmospheric ah.
- Blower 101, ah filter 102, suction means 103, evaporator 104, condenser 105, water collecting vessel 106, water filter 107, container 108 and water outlet 109 are assembled and enclosed in a compact body 10, comprising a cabinet top cover 110, a chassis 111, a cabinet 112 and a front panel 113.
- Blower 101 comprises of a housing 114, fan motor 115, fan blower 116, and nut 117 for securing blower 116 with the motor shaft 118.
- 119 is an ah filter conveniently positioned within the body 10 to filter particles and other contaminating matters in the ah blown by blower 101.
- Suction means 103 comprises of a suction pipe 120, which sucks the filtered ah from the filter element 119 and feeds into an evaporator 121. In the evaporator 121 the water content in the atmospheric ah transforms into vapour form, which is fed into a condenser 122.
- the condenser 105 comprises of coiled body and is in communication with a compressor 123, and contains ref igerant compositions.
- the refrigerant composition is circulated onto the coils of the condenser 122.
- 130 is the discharge tube
- 131 is polyethylene sponge tube
- 132 is capillary tube
- 133 is charge tube
- 134 is dryer of the compressor assembly.
- the water content of the atmospheric air in the form of vapour impinge on the condenser coils and transforms into hquid.
- the ah becomes hot
- the hot ah is discharged from the condenser 122.
- the tiquid accumulating on the condenser coils drops down, which is collected in a water collection tray 106.
- the collection tray 106 comprises of a drain pan 124, partition bucket 125, plate bucket 126, tank 127 and a floater 128. 129 is a handle provided with the tank 127. Filtered water accumulated in the container 108 is drawn out from the outlet (not shown) for end use, such as, potable purposes.
- the top cover 110 of the body 10 includes lamp sets 135, printed circuit board PCB) 137, and humidity sensor 136. Lamp sets indicate operative and/or inoperative condition of the device, whereas humidity sensor 136 senses the ratio of humidity in the atmospheric ah. 136 is a decorative plate on the top cover 110, and 137 is a handle for hfting the top cover 110.
- Chassis 111 is a mounted on coaster wheels 135, which facilitates smooth movement of the device from place to place. It is exphcitiy understood that though a preferred embodiment of the invention is discussed and illustrated, the appUcant intends to include all the variations of the invention within the scope of appended claims.
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Public Health (AREA)
- Drying Of Gases (AREA)
- Separation Of Particles Using Liquids (AREA)
- Air Humidification (AREA)
Abstract
The device for recovery of water from the humid atmospheric air has in combination an air filter filtering particulates and other contaminations in the humid atmospheric air. Suction means sucks atmospheric air into the air filter. An evaporator receives sucked humid atmospheric air, and transforming the humidity into vapour. A condenser in combination with compressor circulates refrigerant, receives and transforms the vapour into liquid. A water collecting tray for collects the vapour transformed water. A water filter filters water collected in the water collection tray. A container stores the filtered water. Discharge means for collected water.
Description
A METHOD AND A DEVICE FOR RECOVERY OF WATER FROM THE ATMOSPHERIC AIR
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to the field of extracting potable hquid, from the atmospheric air and a system therefore. More particularly, the invention is on extracting potable water from the atmospheric air, irrespective of pollution level, and a device therefore.
2. Description of the Related Art
It is not a secret that atmospheric air contains water in varying proportions at different seasons, and goes unused. Water is essential requirement for all living beings and other applications. Due to industrialization and other developments, water in the well, river, ponds and such other places has become extremely contaminated, and unhygienic for using for potable purposes. Consuming contaminated water causes diseases, and becomes health hazard. In residential premises, offices, factories and other work places, potable water requires to be stored from the mains supply wherever available and in case of non-avaϋability of mains supply, have to depend on well water or river water supply. Therefore, water supphed by all sources requires to be treated by heating, filtering and other method of
purification for potable purpose. For treating contaminated water for potable purposes, there are water-treating devices are available. Popular among the water treating device are those using anion exchange resins and ultra violet treatment, which are installed online. These devices though treat water during their initial period of installation, they require periodical maintenance and repair, for which they f equently have to be removed and re-installed. Removal and re-installation requires skilled labour and also in terms of money. Moreover, on-line installed water treating devices require flow of water in the mains supply. No water in the mains, no treated water.
SUMMARY OF THE INVENΗON One of the objects of the invention is to render availability of pure and potable water irrespective of availabihty of water in the mains supply.
Another object of the invention is to make available pure potable water in any place, irrespective of availability of water supply and/or electricity, or conventional or unconventional energy.
Another object of the invention is to make available optimum amount of pure and potable water involving no health hazard for human beings and other living beings.
With above said objects among others, the invention provides a method and a device for recovery of bacteria-free and safe potable water from the atmospheric air. The device for recovery of bacteria-free and safe potable water from atmospheric air envisaged according to the invention draws warm humid air from the atmosphere into it's evaporator coils. Temperature of the atmospheric air drawn into the device of the invention is reduced to below the dew point condition and the water is collected on the condenser coil. During the condensation of the water, as the water vapour in the air gets transformed into hquid, latent heat is generated, which heat is collected by a refrigerant system along with the heat taken from the entering air stream. Along with the latent heat, the energy used to operate the compressor heat is then transferred by the refrigerant system to the condenser coil of the device, where it is added back into the air stream. Temperature of the discharged air is approximately 18°C - 20°C higher than the atmospheric air. The water vapour transformed into liquid form and deposited on the condenser coil drops into a collecting tray, which is made to pass through a metallic fine mesh filter, or other filtering device, before collecting into water container.
The recovery of pure and potable water from the atmospheric air comprises steps of filtering atmospheric humid air and feeding into a condenser, condensing and fransforming water vapour in the filtered
air to tiquid, i.e. water, collecting the water in a vessel, filtering of the water, and wimάrawing filtered water for ultimate use.
The device for recovery of pure and potable water from the atmospheric air comprises in combination, at least an air suction unit an evaporator, a condenser, a compressor, water collecting unit, water filter and control circuit for regulating recovery of water, and built into a compact and portable unit.
BRIEF DESCRIPTION OF THE PREFERRED EMBODIMENT
In accordance with one embodiment of the present invention, a method and a device for recovery of water from humid atmospheric air is disclosed. The method envisaged according to an embodiment of the invention comprises the steps of blowing of the humid atmospheric air into a filtering device, where dust and unwanted particles in the air are filtered. The filtered air is fed into a condenser coil for transformation of the water vapour in the humid air into hquid, i.e. water, in a vessel or the like container. Passing the water so transformed through water filtering device, water purification device and cooling device, to ensure safety, and then drained for potable or other purposes.
In accordance with one embodiment of the present invention, a device for recovery of water from the humid atmospheric air is disclosed. The device for recovery of water from the humid atmospheric ah comprises in combination at least one ah filter, for filtering particulate and other contaminants in the ah. Suction means for sucking atmospheric ah into the ah filter. An evaporator receiving the atmospheric ah sucked-in by the suction means, which transforms humidity in the atmospheric ah into vapour. A condenser receiving the vapour from the evaporator, and tiansforming the vapour into hquid form, i.e. water. A hquid collecting tray-collecting water produced by fransforrning the vapour into hquid by the condenser. Devices for filtering water, purification by disinfecting, and cooling the vapour transformed water. A water-collecting tray collecting vapour transformed water. An outlet for discharging of the filtered and disinfected water recovered from the humid atmospheric ah.
The condenser comprises of a compressor with ref igerant composition for condensing of the water vapour in the atmospheric ah sucked onto the condenser coil.
BRIEF DESCRIPTION OF THE DRAWINGS
In the accompanying illustrative drawing,
FIG. 1 is an illustrative block diagram of the device for recovery of water from the atmospheric ah, envisaged according to one embodiment of the invention.
FIG.2 illustrates a blown-up view of the device for recovery of water from the atmospheric ah, shown in FIG.l.
FIG.3 illustrates a cabinet mounted on a trolley, enclosing the components shown in FIGs.1 and 2.
FIG.4 illustrates top view of the cabinet shown in FIG.3, and
FIG.5 illustrates lay out of the printed chcuit board for opening the assembly shown in FIG.1.
In the iUustrative drawings, 101 is a blower for feeding atmospheric ah into the device, 102 is an ah filter for filtering particular materials in the ah, 103 is a suction unit sucking filtered ah, 104 is an evaporator transforming water vapour into hquid, 105 is a condenser separating hquid from the ah, 106 is a water collecting vessel collecting water from the condenser 105, 107 is a water filter filtering water collected in the vessel 106, 108 is a
container collecting filtered water from the vessel 106, and 109 is an outlet for dispensing water from the container 108.
FIG.2 is a blown-up view of the device for recovering water from the humid atmospheric ah. Blower 101, ah filter 102, suction means 103, evaporator 104, condenser 105, water collecting vessel 106, water filter 107, container 108 and water outlet 109 are assembled and enclosed in a compact body 10, comprising a cabinet top cover 110, a chassis 111, a cabinet 112 and a front panel 113.
Blower 101 comprises of a housing 114, fan motor 115, fan blower 116, and nut 117 for securing blower 116 with the motor shaft 118. 119 is an ah filter conveniently positioned within the body 10 to filter particles and other contaminating matters in the ah blown by blower 101. Suction means 103 comprises of a suction pipe 120, which sucks the filtered ah from the filter element 119 and feeds into an evaporator 121. In the evaporator 121 the water content in the atmospheric ah transforms into vapour form, which is fed into a condenser 122. The condenser 105 comprises of coiled body and is in communication with a compressor 123, and contains ref igerant compositions. The refrigerant composition is circulated onto the coils of the condenser 122. 130 is the discharge tube, 131 is polyethylene sponge tube, 132 is capillary tube, 133 is charge tube, 134 is dryer of
the compressor assembly. The water content of the atmospheric air in the form of vapour impinge on the condenser coils and transforms into hquid. When the water content of the atmospheric air (humidity) is separated, the ah becomes hot, and the hot ah is discharged from the condenser 122. The tiquid accumulating on the condenser coils (not shown) drops down, which is collected in a water collection tray 106. The collection tray 106 comprises of a drain pan 124, partition bucket 125, plate bucket 126, tank 127 and a floater 128. 129 is a handle provided with the tank 127. Filtered water accumulated in the container 108 is drawn out from the outlet (not shown) for end use, such as, potable purposes.
The top cover 110 of the body 10, includes lamp sets 135, printed circuit board PCB) 137, and humidity sensor 136. Lamp sets indicate operative and/or inoperative condition of the device, whereas humidity sensor 136 senses the ratio of humidity in the atmospheric ah. 136 is a decorative plate on the top cover 110, and 137 is a handle for hfting the top cover 110.
Chassis 111 is a mounted on coaster wheels 135, which facilitates smooth movement of the device from place to place.
It is exphcitiy understood that though a preferred embodiment of the invention is discussed and illustrated, the appUcant intends to include all the variations of the invention within the scope of appended claims.
Claims
1. A method of recovering water from atmospheric ah comprises the steps of blowing of the humid atmospheric ah into a filtering device; feeding the said filtered ah into an evaporator for transfoπning water content in the ah into vapour; impinging the said vapour from the evaporator upon the condenser coil for transformation of the water vapour into Hquid, i.e. water drawn in drops; filtering the said water collecting in drops; and filtering the said water before withdrawal for end use.
2. A device for carrying out method of recovering of water from the humid atmospheric ah as claimed in claim 1, comprises in combination at least one ah filter filtering particulates and other contaminations in the humid atmospheric ah; suction means for sucking atmospheric ah into the said ah filter; at least one evaporator receiving said sucked humid atmospheric ah, and the said condenser transforming the humidity into vapour form; at least one condenser in combination with compressor chculating refrigerant, receiving and transforming the said vapour into hquid; at least one water collecting tray for collecting the vapour transformed water from the condenser; at least one water filter filtering water collected in the said water collection hay; a container for storage of filtered water; and means for discharge of the said collected water from the device.
3. A device as claimed in claim 2, wherein a water purification device is provided for purification of the water collected in the said collecting tray.
4. A device as claimed in claim 2 or claim 3, wherein a water cooling system is provided for cooling of the water collected in the said collecting tray.
5. A device for recovery of water from the atmospheric ah as claimed in claim 2 wherein a humidity sensing device is in-built to ascertain the humidity ratio in the atmospheric ah.
6. A device for recovering of water from the atmospheric ah as claimed in claims 2 or 3 wherein the filter for filtering of collected water is in-built with the collecting vessel.
7. A device for recovering of water from the atmospheric ah as claimed in any of claims 2 to 4 wherein overflow discharge means is provided with the container receiving filtered water.
8. A device for recovering of water from the atmospheric ah as claimed in any of claims 2 to 5 wherein ON/OFF indicator is provided to ascertain the operative and/or inoperative condition of the device.
9. A device for recovering of water from the atmospheric ah as claimed in claim 6 wherein the said ON/OFF indicator are light emitting diodes [LEDs].
10. A device for recovering of water from the atmospheric ah as claimed in any of claims 2 to 7 wherein the device is mounted on coaster wheels for smooth movement from place to place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IN2001/000107 WO2002094725A2 (en) | 2001-05-25 | 2001-05-25 | A method and device for recovery of water from the atmospheric air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IN2001/000107 WO2002094725A2 (en) | 2001-05-25 | 2001-05-25 | A method and device for recovery of water from the atmospheric air |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2002094725A2 true WO2002094725A2 (en) | 2002-11-28 |
| WO2002094725A3 WO2002094725A3 (en) | 2003-02-13 |
Family
ID=11076352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IN2001/000107 WO2002094725A2 (en) | 2001-05-25 | 2001-05-25 | A method and device for recovery of water from the atmospheric air |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2002094725A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015076768A1 (en) * | 2013-11-22 | 2015-05-28 | Güvenç ŞENOL | New generation water production and purification system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5517829A (en) * | 1994-05-03 | 1996-05-21 | Michael; Charles L. | Apparatus for producing filtered drinking water |
| WO1998012489A1 (en) * | 1996-09-19 | 1998-03-26 | World Wide Water Company | Purified water supply apparatus |
| WO2000014464A1 (en) * | 1998-09-09 | 2000-03-16 | Water From The Air, Inc. | Ambient air water extraction and supply apparatus and method |
| US6182453B1 (en) * | 1996-04-08 | 2001-02-06 | Worldwide Water, Inc. | Portable, potable water recovery and dispensing apparatus |
| WO2001016028A1 (en) * | 1999-08-31 | 2001-03-08 | An Yun Joon | Cooling apparatus for making drinkable water |
| US6209337B1 (en) * | 1997-09-19 | 2001-04-03 | William F. Edwards | Water collection and purification system |
-
2001
- 2001-05-25 WO PCT/IN2001/000107 patent/WO2002094725A2/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5517829A (en) * | 1994-05-03 | 1996-05-21 | Michael; Charles L. | Apparatus for producing filtered drinking water |
| US6182453B1 (en) * | 1996-04-08 | 2001-02-06 | Worldwide Water, Inc. | Portable, potable water recovery and dispensing apparatus |
| WO1998012489A1 (en) * | 1996-09-19 | 1998-03-26 | World Wide Water Company | Purified water supply apparatus |
| US6209337B1 (en) * | 1997-09-19 | 2001-04-03 | William F. Edwards | Water collection and purification system |
| WO2000014464A1 (en) * | 1998-09-09 | 2000-03-16 | Water From The Air, Inc. | Ambient air water extraction and supply apparatus and method |
| WO2001016028A1 (en) * | 1999-08-31 | 2001-03-08 | An Yun Joon | Cooling apparatus for making drinkable water |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015076768A1 (en) * | 2013-11-22 | 2015-05-28 | Güvenç ŞENOL | New generation water production and purification system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002094725A3 (en) | 2003-02-13 |
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