GB2490335A - Composite solar panel and condenser - Google Patents

Composite solar panel and condenser Download PDF

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Publication number
GB2490335A
GB2490335A GB1106930.9A GB201106930A GB2490335A GB 2490335 A GB2490335 A GB 2490335A GB 201106930 A GB201106930 A GB 201106930A GB 2490335 A GB2490335 A GB 2490335A
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GB
United Kingdom
Prior art keywords
panel
condensing
solar
composite
panels
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB1106930.9A
Other versions
GB201106930D0 (en
GB2490335B (en
Inventor
Martin Pollock
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens PLC
Original Assignee
Siemens PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens PLC filed Critical Siemens PLC
Priority to GB1106930.9A priority Critical patent/GB2490335B/en
Publication of GB201106930D0 publication Critical patent/GB201106930D0/en
Priority to PCT/EP2012/056469 priority patent/WO2012146477A2/en
Publication of GB2490335A publication Critical patent/GB2490335A/en
Application granted granted Critical
Publication of GB2490335B publication Critical patent/GB2490335B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00—Arrangements for controlling solar heat collectors
    • F24S50/20—Arrangements for controlling solar heat collectors for tracking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
    • B01D5/0015—Plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0027—Condensation of vapours; Recovering volatile solvents by condensation by direct contact between vapours or gases and the cooling medium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0033—Other features
    • B01D5/0042—Thermo-electric condensing; using Peltier-effect
    • 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
    • F24J2/38—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B3/00—Condensers in which the steam or vapour comes into direct contact with the cooling medium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/10—Supporting structures directly fixed to the ground
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40—Thermal components
    • H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
    • 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
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/60—Thermal-PV hybrids

Abstract

A composite panel 20 for combining an air well with solar energy generation, comprising a solar panel 3 and a condensing panel 6 mechanically fastened 4 back-to-back and thermally insulated from one another with an insulating layer 5 interposed between the solar panel 3 and the condensing panel 6. The condensing panel 6 may be in the form of a high radiance condensing panel, the panel may comprise alternating hydrophilic and hydrophobic micro-zones provided on the surface. The composite panel 20 may be provided with a rotatable fixing means 2, thereby allowing the solar panel 3 to be directed at the sun during the day and for the composite panel 20 to be rotated such that the condensing panel 6 is facing generally upwards at a convenient angle at night. The composite panel 20 may also be provided in an array such that there is a single electrical output and a single water output for the whole array, the water output may be in the form of a gutter 11.

Description

I
DEVICE AND METHOD FOR COMBINING ELECTRICITY GENERATION
FROM SOLAR POWER, AND WATER COLLECTION FROM CONDENS1NG ATMOSPHER1C VAPOUR The present invention provides methods and arrangements to address two fundamental resource needs, electrical power and fresh water, by exploiting normal external diurnal changes in ambient conditions.
The present invention provides a device which not only performs the normal functions of a solar panel for electricity generation during sunlight hours, but also exploits incidental characteristics of such panels, especially their basic shape, to include the capacity to condense fresh water from atmospheric vapour during the relatively colder conditions at non-sunlight times. The combination of these otherwise unrelated technologies offers many benefits, It is a feature of all solar panel arrays that the power produced is proportional to the area of the panels presented to the sun. In practice this area is maximised either by tessellating large numbers of similar modules, or by using some optical means, typically involving combinations of lenses and mirrors, to widen the effective energy collection area as much as possible. A large array may consist of thousands of panels each with an area of a square metre or more, to produce a power output of many kilowatts. As a general guide, the energy available in direct sunlight at ground level is about 1 kW per square metre of photovoltaic solar panel surface area. lt can approach double this value under favourable conditions in desert latitudes such as prevail in Saharan Africa. The conversion efficiency of present photovoltaic panel technology is about 20%, but this may be expected to improve over time.
Nevertheless, given the relatively high per-project costs, in all scenarios there are strong engineering and economic grounds for making the arrays as vast as possible.
A small array, of say 10 m x 10 m photovoltaic solar panels might be expected to produce a peak 20 kW of electric power in desert conditions, and to average over kWh/day throughout the year.
The present invention takes account of the fact that large solar panel arrays, such as may be deployed in desert wilderness areas, effectively obscure sunlight from commensurately large tracts of ground rendering the space underneath of little use for other purposes.
Accordingly, the present invention provides apparatus and methods as defined in the appended claims.
The above, and further, objects, characteristics and advantages of the present invention will become more apparent from the following description of certain embodiments thereof, in conjunction with the accompanying Ag. I which schematically illustrates a composite panel for electricity generation and water collection, according to an embodiment of the present invention.
The current invention employs known thin-film, low thermal capacity, membranes with hydrophilic surfaces, and high therma radiation, as condensing surfaces to collect fresh water from atmospheric vapour when ambient air temperatures falls, for
example at sunset.
These membranes, sometimes described as "air-wells" can also be constructed in flat "condensing panels", usually with an insulating layer behind the membrane to prevent unwanted heating. Very simple condensing panels today can capture 5 litres per day for a lOm x lOm paneJ. Increased water capture can simply be achieved by increasing the surface area of the condensing panels.
It is relevant to the present invention that photovoltaic panels and condensing panels can have the same basic shape, and are by preference deployed in the same manner: as large-surface-area arrays. It is also relevant that due to their intrinsic principles of operation they are productive at different times of the day. Photovoltaic so'ar panels work best in direct sunshine, and condensing panels work best in the absence of direct sunshine.
The present invention provides a composite structure of solar panels and condensing panels back-to-back in a single composite panel which can serve both purposes, albeit at different times of the day.
With reference to Figure 1, a simple embodiment of the invention consists of a fixed mount 1 and a fixing means 2 which support a composite panel 20 which combines the features of a solar panel 3 and a condensing panel 6, each conventiona' in its own right. The composite panel 20 consists of solar panel 3, mechanical substrate 4, insulating layer 5 and thin film (low thermal capacity) high radiance condensing panel 6 mechanically fastened together, essentially in parallel planes. The present invention may also be embodied in panels which are not flat, but must have one side directed toward the sun, and another side directed away from the sun. The solar panel 3 is equipped with a means whereby many such panels may be interconnected, if necessary in conjunction with external components, in an array so as to provide a single electrical output. Similarly, the condensing panel 6 is equipped with a means whereby these too may be interconnected, if necessary in conjunction with external components, so as to provide a single water output. In the illustrated example, a collecting gutter 7 is provided to collect condensation 8 from the condensing panel 5. The collecting gutter 7 is plumbed 9 to a drain 10, which is connected to the similar structures to collect water from all such interconnected condensation panels. Ln some embodiments, the composite panel may be moveable and/or orientable. In such arrangements, modified water collecting apparatus must be provided. For example, plumbing 9 may be replaced by a flexible hose, with the gutter 7 attached to the composite panel 20.
Solar panels 3 are designed to collect light, but a necessary consequence of this is that they create shade. Consequently, the underside of a composite panel can be kept much colder than the upper surface during the day, because it receives very little radiant light/heat. Thermal conduction to the condensing panel 6 is minimised by the presence of insulating layer 5 between the upper surface, being solar panel 3, and the condensing panel 6. The condensing panel 6 on the underside of the composite panel 20 will at a maximum approach approximately the ambient air temperature, while the upper surface of the composite panel can reach temperatures of 70°C or more. According to an aspect of the present invention, the shaded side of a solar panel is made to be the coldest surface around, which according to the present invention is achieved by insulating 5 the condensation panel 6 and keeping it in the shade during the day on the underside of the solar panel 3. As described above, the solar panels are typically provided as an array with very large surface area, allowing a correspondingly large surface area of condensing panels to be provided.
Normally, at night, all surfaces lose heat in proportion to net radiant losses/gains, and net convective effects. tn the structure of the present invention, there will be two opposite tendencies during the night on the condensation panel 6 on the underside of solar panel 3: the surface will radiate heat away, but convection currents in the relatively warm air from the ground will heat it up again. By using a very low thermal capacity condensing panel 6 backed by thermal insulation 5, it is quite possible to ensure that the radiant losses significantly exceed the convective gains, so that the surface cools much more quickly than the air around. Thus, if conditions of humidity and air temperature are such that night-time condensation 8 will form, it will precipitate preferentially on the extra-cold surface of the condensation panel first.
The condensation forms drops 8 which are collected, for example in gutter 7.
In some climates, the critical parameters being the variation in diurnal ambient air temperature and relative humidity, the composite panel of the invention may be in a fixed position, with the solar panel 3 facing upwards at an optimum angle for solar energy collection. In such an arrangement, the condensing panel 6 remains permanently in the shade, and therefore significantly cooler than other surfaces.
Natural condensation 8 will occur preferentially on its surface and the water 11 thus collected can trickle into a suitable collection gutter 7 for interconnection as described above.
In other climates it may be preferred that the whole composite panel is tilted daily via a rotatable fixing means 2 so that the condensing panel is facing generally upwards at a convenient angle at night for maximum self-cooling by radiation and optimum condensation 8 collection.
Many types of solar panel are known: photovoltaic and others, such as those which simply capture solar radiation as heat in a circulating transfer fluid. The particular type of solar panel used is not significant for the purposes of the present invention, and is not discussed herein in detail. Any panel device for converting sunlight into electrical energy, or into heat, could fulfil the function of solar panel 3 of the present invention. Similarly, there are several known types of condensing panel, but once again the particular type of condensing panel is not significant for the purposes of the present invention, and is not discussed herein in detail. Any type of condensing panel 6 could be used in the composite panel 20 of the present invention.
Key elements in the cost of deploying conventional large solar arrays are those of acquiring the necessary land and of actually deploying the equipment, often in remote desert areas. The present invention greatly increases the total benefit that can be achieved from such undertakings by providing additional added value within the same otherwise unusable geographic space, and by providing it in a form -fresh water -that is likely to be in high demand in the same regions where large-scale solar arrays are deployed. While the electrical power generated by solar arrays is likely to be transmitted over great distances to a target market, the water generated by the present invention may most usefully be provided for the local population.
Optionally, further steps may be taken to improve the rate of water collection. The surface of the condensing panel may be coated with a hydrophilic coating to increase the capture of water vapour. Radiation losses may be accelerated, reducing the surface temperature of the condensing panel 6, by turning the whole composite panel over and pointing the surface of the condensing panel 6 at the very cold night sky.
This practically eliminates in-coming radiant heat to the condensing panel and increases radiant losses. Alternating hydrophilic and hydrophobic micro-zones may be used on the surface of the condensing panel, which is known in itself to encourage condensation and to facilitate run-off.
The present invention improves the operating environment of condensing panels by providing favourable shady conditions during the day and a very arge surface area in a region where a sharp drop in air temperature occurs at night, and water may be scarce since large-scale solar arrays are generally sited in regions which have a very high number of sunlight hours, preferably towards the equator where sunlight is at its most intense, and space in available in equatorial desert regions.
While the present invention has been described with reference to a mechanical substrate 4 extending between the solar panel and the insulation layer, any appropriate means for mechanically fastening the solar panel 3, the condensing panel 6 and the insulation layer 5 may be employed.

Claims (9)

  1. CLAIMS1. A composite panel (20) for solar energy collection and water condensation, comprising a solar panel (3) and a condensing panel (6) mechanically fastened (4) back-to-back and thermally insulated from one another with an insulating layer (5) interposed between the solar panel and the condensing panel.
  2. 2. A composite panel according to claim 1, comprising solar panel (3), a mechanical substrate (4), insulating layer (5) and a thin film high radiance condensing panel (6) mechanically fastened together, essentially in parallel planes.
  3. 3. A composite panel according to any preceding claim, wherein alternating hydrophilic and hydrophobic micro-zones are provided on the surface of the condensing panel.
  4. 4. A composite panel according to any preceding claim, wherein the solar panel (3) is equipped with means whereby many such solar panels may be interconnected in an array so as to provide a single electrical output; and the condensing panel (6) is equipped with a means whereby many such condensing panels may be interconnected in an array so as to provide a single water output.
  5. 5. A composite panel according to any preceding claim, wherein a collecting gutter (7) is provided to collect condensation (8) from the condensing panel (6).
  6. 6. A composite panel according to any preceding claim, in a fixed position, with the solar panel (3) facing upwards for solar energy collection.
  7. 7. A composite panel according to any preceding claim, affixed to a fixed mount (1) by a rotatable fixing means (2), whereby the composite panel may be rotated such that the condensing panel (6) is facing generally upwards at a convenient angle.
  8. 8. A method for for solar energy collection and water condensation, comprising -providing an array of composite panels according to claim 1; -orienting the composite panels such that the solar panels are directed toward the sun and the condensing panel is directed away from the sun; and -collecting water condensing on the surface of the condensing panel.
  9. 9. A method according to cfaim 8, comprising the step of turning the composite panel (20) over at night so as to direct the surface of the conden&ng panel (6) towards at the night sky.
GB1106930.9A 2011-04-26 2011-04-26 Device and method for combining electricity generation from solar power, and water collection from condensing atmospheric vapour Expired - Fee Related GB2490335B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1106930.9A GB2490335B (en) 2011-04-26 2011-04-26 Device and method for combining electricity generation from solar power, and water collection from condensing atmospheric vapour
PCT/EP2012/056469 WO2012146477A2 (en) 2011-04-26 2012-04-10 Device and method for combining electricity generation from solar power, and water collection from condensing atmospheric vapour

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1106930.9A GB2490335B (en) 2011-04-26 2011-04-26 Device and method for combining electricity generation from solar power, and water collection from condensing atmospheric vapour

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GB201106930D0 GB201106930D0 (en) 2011-06-01
GB2490335A true GB2490335A (en) 2012-10-31
GB2490335B GB2490335B (en) 2013-07-24

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104806460A (en) * 2015-05-10 2015-07-29 西华大学 Water mist collecting type driving device
CN105625507A (en) * 2016-03-08 2016-06-01 张舒维 High-efficiency novel air water maker
CN108360606A (en) * 2017-12-29 2018-08-03 海天水务集团股份公司 A kind of process for preparing water from air based on enrichment film
CN111620540A (en) * 2020-05-12 2020-09-04 北京交通大学 Excrement drying device
WO2021154919A1 (en) * 2020-01-29 2021-08-05 Saudi Arabian Oil Company Utilization of solar systems to harvest atmospheric moisture for various applications including panel cleaning
US20220184636A1 (en) * 2019-08-01 2022-06-16 Infinite Cooling Inc. Systems and methods for collecting fluid from a gas stream
EP3891342A4 (en) * 2018-12-03 2022-08-10 Exaeris Water Innovations, LLC Atmospheric water generator apparatus

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CN109612153A (en) * 2018-12-19 2019-04-12 宁波瑞凌辐射制冷科技有限公司 A kind of condensed water collecting device using radiation refrigeration technology
CN111589180A (en) * 2020-05-27 2020-08-28 扬州大学 Fresh water collecting device
CN112090710B (en) * 2020-09-01 2022-09-02 安徽大学 Multi-biological-characteristic inspired 'fog collection' composite double-sided miracle membrane and preparation method thereof
CN113813636A (en) * 2021-10-22 2021-12-21 中国科学院新疆生态与地理研究所 Air water condensing device based on nano material

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CN101691969A (en) * 2009-10-12 2010-04-07 北京交通大学 Solar-energy awning for air cooling island of air cooling unit in power station
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104806460A (en) * 2015-05-10 2015-07-29 西华大学 Water mist collecting type driving device
CN104806460B (en) * 2015-05-10 2017-07-14 西华大学 A kind of water smoke assembles drive device
CN105625507A (en) * 2016-03-08 2016-06-01 张舒维 High-efficiency novel air water maker
CN105625507B (en) * 2016-03-08 2018-06-15 刘行 A kind of high efficiency air water machine
CN108360606A (en) * 2017-12-29 2018-08-03 海天水务集团股份公司 A kind of process for preparing water from air based on enrichment film
EP3891342A4 (en) * 2018-12-03 2022-08-10 Exaeris Water Innovations, LLC Atmospheric water generator apparatus
US20220184636A1 (en) * 2019-08-01 2022-06-16 Infinite Cooling Inc. Systems and methods for collecting fluid from a gas stream
US11786915B2 (en) * 2019-08-01 2023-10-17 Infinite Cooling Inc. Systems and methods for collecting fluid from a gas stream
WO2021154919A1 (en) * 2020-01-29 2021-08-05 Saudi Arabian Oil Company Utilization of solar systems to harvest atmospheric moisture for various applications including panel cleaning
US11303244B2 (en) 2020-01-29 2022-04-12 Saudi Arabian Oil Company Utilization of solar systems to harvest atmospheric moisture for various applications including panel cleaning
CN111620540A (en) * 2020-05-12 2020-09-04 北京交通大学 Excrement drying device

Also Published As

Publication number Publication date
GB201106930D0 (en) 2011-06-01
WO2012146477A2 (en) 2012-11-01
GB2490335B (en) 2013-07-24
WO2012146477A3 (en) 2013-04-25

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