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US20120132196A1 - Solar thermal collector - Google Patents

Solar thermal collector Download PDF

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Publication number
US20120132196A1
US20120132196A1 US13/375,743 US201013375743A US2012132196A1 US 20120132196 A1 US20120132196 A1 US 20120132196A1 US 201013375743 A US201013375743 A US 201013375743A US 2012132196 A1 US2012132196 A1 US 2012132196A1
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United States
Prior art keywords
thermal
heat
solar
collector according
water
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Abandoned
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US13/375,743
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English (en)
Inventor
Schokin Petro Vladyslavovych
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.)
S DEVELOPMENT
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S DEVELOPMENT
S DEVELOPPEMENT
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Filing date
Publication date
Application filed by S DEVELOPMENT, S DEVELOPPEMENT filed Critical S DEVELOPMENT
Assigned to S DEVELOPMENT reassignment S DEVELOPMENT ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: VLADYSLAVOVYCH, SCHOKIN PETRO
Publication of US20120132196A1 publication Critical patent/US20120132196A1/en
Assigned to S DEVELOPPEMENT reassignment S DEVELOPPEMENT CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE'S NAME PREVIOUSLY RECORDED AT REEL: 027719 FRAME: 0753. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Assignors: VADYSLAVOVYCH, SCHOKIN PETRO
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
    • C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S60/00—Arrangements for storing heat collected by solar heat collectors
    • F24S60/10—Arrangements for storing heat collected by solar heat collectors using latent heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D2020/0004—Particular heat storage apparatus
    • F28D2020/0013—Particular heat storage apparatus the heat storage material being enclosed in elements attached to or integral with heat exchange conduits
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • 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
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Definitions

  • This invention relates to solar thermal technology, in particular to the equipment designed for the conversion of solar energy into thermal energy, and can be used for heating water, especially residential or industrial water.
  • a solar thermal collector consisting of a body in the form of a water cylinder with light-transparent (translucent) glazing and light-absorbent coating (see for example document RU 2′108′520).
  • Such collector has the following drawback: water is heated by the sun through a light-absorbent coating but it lacks heat accumulation capacity.
  • a solar thermal collector consisting of an insulated body with a lid comprising a light-transparent glazing and a corrugated inner wall.
  • the area between the base of the body and the corrugated wall is filled a heat accumulating material in the form of a phase transformation material (for example paraffin).
  • Water is supplied into the thermal energy collector via a flow heat exchanger (for instance a heater coil) so as to exchange thermal energy with the thermal accumulating material (see for example documents RU 2′230′263 and CN 101285622).
  • a thermal collector according to the state of the art comprise the following important features: a thermally insulating body 1 , flow heat exchanger 5 (to heat the water), a light-transparent glazing 2 , a selective light absorption material 4 , a heat accumulator 3 in the form of a phase transformation material, flow pipes 6 for water circulation and thermal conductive elements.
  • solar energy R is first absorbed by the selective light absorption material which then transmits thermal energy to the phase transformation material.
  • Metallic ribs inside the thermal collector allow the transition of the thermal energy from the phase transformation material to the water enhance the thermal transmission.
  • heat accumulating material as paraffin does not have the ability to keep the thermal energy for a long time and loses thermal energy by thermal transmission, convection and emission.
  • volume of the tank is based on the condition that overheating of the water collected in the tank is not permitted, i.e. the water must not be heated to 100° C. or above.
  • volume of the tank is calculated from the maximum value of energy received by the heater from the heat source (an intensity index is introduced), taking into account the practical specific heat of water and the maximum allowed temperature, 100° C.
  • the collectors according to the state of the art suffer precipitation of insoluble salts from the water because the conditions inside boilers are favourable to the growth of crystals, creating a serious bacteriological problem: colonies of harmful bacteria develop in the warm, porous deposits on their walls, . . . .
  • an object of the present invention is to improve the design of flow solar thermal collector for reducing heat losses during heat accumulation and water heating, thus improving efficiency of the solar energy use.
  • the present invention is essentially based on the combination of salt solutions based hydrogel and gelling agents as phase transformation material and thermal conductive die-forged metal sheets that are piled up in order to constitute a heat exchanger means.
  • the solar thermal collector according to the present invention ensures:
  • FIG. 1 a represents a schematic overview of the solar thermal collector according an embodiment the present invention
  • FIG. 1 b represents lateral cross-section of solar thermal collector of FIG. 1 a;
  • FIGS. 2 a and 2 b represent a solar thermal collector inner structure according to a specific embodiment of the present invention
  • FIGS. 3 a , 3 b and 3 c represent a solar thermal collector inner structure according to a specific embodiment of the present invention
  • FIGS. 4 a and 4 b represent a solar thermal collector according to another embodiment of the present invention.
  • FIG. 5 represents a solar thermal collector designed to be put in a window according to a specific embodiment of the present invention
  • FIG. 6 represents a solar thermal collector designed to be put on a roof according to a specific embodiment of the present invention
  • FIG. 7 represents a solar thermal collector according to the state of the art.
  • the collector C of solar thermal energy includes a thermally insulated body 1 with a light-transparent glazing 2 .
  • the body 1 comprises flow pipes 6 and more particularly an inlet pipe 60 and an outlet pipe 62 feeding the solar thermal collector C with fluid to be heated as water. More particularly, the fluid to be heated enters into the solar thermal collector body 1 through pipe 60 , is heated inside the body 1 and then exits trough pipe 62 . It can be used in a domestic or industrial field.
  • a heat accumulator bloc 3 is arranged inside the body 1 .
  • the heat accumulator bloc 3 is filled with thermal accumulating material 30 .
  • the heat accumulator 3 comprises a selective light absorption coating 4 .
  • the heat accumulator is in cooperation with a flow heat exchanger 5 troughs which the fluid to be heated flows.
  • the coating 4 is made of a material with high absorption coefficient and low reflection coefficient (blackened copper might be used for example or niello copper).
  • the heat accumulator 3 is hydraulically connected to flow pipes 6 (inlet pipe 60 and exit pipe 62 ).
  • the heat exchanger 5 is designed to provoke a thermal energy exchange between the phase transformation material 30 and the fluid to be heated 600 (e.g. the water) flowing inside the heat exchanger 5 .
  • the heat exchanger 5 comprises a core structure 54 for the thermal energy exchange between the fluid to be heated 600 and the thermal accumulating material 30 .
  • the heat exchanger core structure 54 is formed with die-forged metal sheets 540 which are piled up.
  • All the sheets 540 of the heat exchanger core structure 54 are identical. Each sheet 540 comprises deformations obtained in a die-forged process.
  • the deformations of the sheets form closed compartments 560 of a global channel 56 receiving for the fluid to be heated (e.g. the water) and being hermetically sealed by hermetic seal channels 58 .
  • the sheets 540 When the sheets 540 are piled up it also forms cavities 57 that are designed to receive the accumulating material 30 .
  • the channel 56 forms a straight longitudinal channel along the piled-up sheets.
  • Each sheet 540 comprises a hole 542 located along this channel 56 .
  • the hole 542 of a given sheet is located in the opposed extremity of the channel 56 than the hole of the subsequent sheets.
  • the hole of sheets 540 a and 540 c are located on the left side of the channel 56 and the hole of sheets 540 b and 540 d (holes 542 b and 542 d ) are located of the right side of the channel 56 .
  • the water begins to flow by hole 542 a , enters into the channel compartment 560 located between sheets 540 a and 540 b , then flows along the channel compartment until hole 540 b , then flows through the hole to arrive inside the channel compartment located between sheets 540 b and 540 c.
  • the heat exchanger 5 comprises an inlet 50 linked to the inlet pipe 60 of the solar thermal collector and an outlet 52 linked to the outlet pipe 62 of the solar thermal collector.
  • a channel 56 inside the heat exchanger 5 links the inlet 50 to the outlet 52 along which the thermal energy exchange is performed between the fluid to be heated 600 is heated and the thermal accumulating material 30 .
  • the heat exchanger 5 comprises at least one channel 56 for the flow of fluid 600 to be heated (as water) and cavities 57 through which it is heated by the heat release by the thermal accumulating material 30 inside the heat accumulator 3 .
  • the heat exchanger 5 comprises a core structure 54 for the thermal energy exchange between the fluid to be heated 600 and the thermal accumulating material 30 .
  • the heat exchanger core structure 54 is formed with die-forged metal sheets 540 which are piled up.
  • Each sheet 540 of the heat exchanger core structure 54 is identical.
  • Each sheet 540 comprises a deformation 5401 , preferably in a half-pipe form groove. This groove is along a path following the trajectory 5042 of the channel 56 .
  • the deformation 5401 form closed compartments 560 of the channels 56 receiving the fluid to be heated (e.g. the water) and being hermetically sealed by hermetic seal channels 58 .
  • cavities 57 and channels 56 are separated each from other by hermetic seal channels 58 .
  • Sheets 540 material of the heat exchanger 5 represents the heat transfer medium between the thermal accumulating material and the fluid to be heated.
  • This heat exchanger core structure 54 allows building a one-flow or a multi-flow heat exchanger of any kind: liquid-solid, liquid-liquid, liquid-gas, gas-solid etc.
  • this heat exchanger core structure 54 comprises single standard components (sheets 540 ) and contains no soldered or welded joints. Thus it is highly suitable for computerised/automated manufacturing.
  • All the channel compartments 560 formed between each sheets 540 of the heat exchanger core structure are fixed by a fixing means as a single threaded bush (not shown) that draws together all the sheets into a single block.
  • a by-pass valve (not shown), either rotating around the rotation axis of the bush or longitudinally-sliding along that axis can be installed inside the bush, enabling to switch the channels (there is also room for a small turbine-oscillator for agitating sound waves in the fluid to be heated).
  • channel compartments 560 have dome-shaped section, which imparts to them excess resilience in both longitudinal and crosswise directions. Accordingly the assembly of the sheets 540 pulls them together very tightly.
  • Hermetic sealing of the channel compartments 560 can be enhanced by the using of a fluoro-rubber, butyl, latex, or silicon compound coating, placed into the grooves hermetic seal channels 58 running along the fluid channel 56 .
  • the water flowing from the inlet 50 and enters in the first compartment 560 circulates along the zigzag channel 56 and once arrived at the opposed hole, the water flows into the subsequent channel compartment in the same manner than previously explained (except that the channel 56 has a zigzag form).
  • the flowing of the water from inlet 50 to outlet 52 can be parallel inside all the channel compartments 560 .
  • the assembled heat exchanger block 5 is placed in a hermetically sealed body 1 filled with a thermal accumulating material 30 .
  • the Z-shaped channel forms a hydraulic seal to eliminate the possibility of the air breaking into the heat exchanger when the fluid is discharged from the heat exchanger ('totally air-locked').
  • the leftover fluid in the heat exchanger expands during the heating, i.e. the water is ‘squeezed out’ through the gaps in the heat exchanger. Having the smallest possible space inside the channel is a necessary requirement for speeding up heat transfer and minimising the heat loss.
  • the thermal accumulating material 30 is basically a hydrogel and gelling agents as phase transformation material.
  • the thermal energy accumulation happens in the form of salt dissolution in crystallisation water and fixing (envelopment) of the water residues by the gelling agents.
  • the thermal accumulating material 30 is a eutectic mixture and preferably a sodium acetate hydrate gel can be used as the phase transfer material.
  • Such thermal accumulating material quickly reaches its melting point when heated.
  • Using this type of material has the following advantage over continuous, linear heating: it receives and releases energy when the material undergoes the liquid-crystalline phase transformation while the temperature remains constant.
  • a molten crystalline material for example, releases 60-80% of its useful heat while its temperature does not drop.
  • the first 60-80% of the total volume of the fluid to be heated by the thermal accumulating material is heated at a constant temperature.
  • the temperature begins to drop only after crystallisation is completed. Consequently, the amount of the thermal energy used does not affect the efficiency of this accumulator.
  • the thermal energy release (because of the salt crystallisation) is triggered by an external solicitation which can be mechanical or electrical on the gel.
  • the present invention uses the dissolution process of the salt in a solvent, as crystallisation water. Accordingly the thermal accumulation material does not “melt” during the temperature increase but “dissolves” (into ions in the electrolyte).
  • the hot dissolution of the salt crystals is stabilised by the gelling agents when the hydrogel is formed.
  • gelling agents have the following functions:
  • the hydrogel is cover by a coating of high coefficient thermal expansion material whose melting temperature is higher than the dissolution temperature (e.g. the paraffin).
  • high coefficient thermal expansion material whose melting temperature is higher than the dissolution temperature (e.g. the paraffin).
  • the high coefficient thermal expansion material volume represents 5-10% of the total volume.
  • a super-saturated aqueous solution of sodium acetate is used as a thermal accumulating material.
  • a saturated solution has the following advantage over solids: when its temperature decreases, the solubility decreases, which means that it is able to form a “super-cooled” (‘chilled’) molten salt, dissolved in a fluid that will release its melting heat during recrystallization.
  • ‘chilled’ super-cooled
  • Sodium acetate solutions can be “super-cooled” in a range from 50° C. to 60° C. (generally by 52° C.) without releasing the accumulated thermal energy. Consequently, it is possible to provide a thermal energy accumulator material that stores the energy not due to intensive thermal insulation (like with a thermal flask) but due to a phase transformation, and thus releases the accumulated thermal energy when required.
  • the dissolution point of commercial sodium tri-hydrate acetate is in the range of 50 to 60° C. and generally 58° C.
  • Sodium tri-hydrate acetate is not as corrosive as other salts. Accordingly using this salt enables to build a compact heat accumulator while maintaining good capacity.
  • a special hydrogel (also called “aquagel”) can be used: a sodium acetate solution in distilled water (acetate trihydrate) with a gelation agent: a weak solution of carboxymethyl cellulose (CMC) and/or of polyvinylpyrollidon (PVP) and/or sodium laureth sulphate and/or carrageenan.
  • CMC carboxymethyl cellulose
  • PVP polyvinylpyrollidon
  • Hydrogel composition (mass percent):
  • the heat accumulator is designed with spare capacity.
  • 10% of the space occupied by the heat accumulating material is provided as spare capacity.
  • a sodium acetate hydrate gel for example, as the phase transformation material, reduces the amount of energy required to melt the phase transformation material because the melting temperature of a eutectic mixture is lower than the melting temperature of a mixture of any other composition; this also results in the reduction of heat loss.
  • the charging-discharging of the heat accumulator follows a certain sequence: a rapid temperature increase and stabilisation during the charging stage and, vice versa, a long plateau of discharge temperature, which does not require any additional control or stabilisation.
  • the discharge of the heat accumulator 3 includes two phases:
  • a solar thermal collector according to the present invention with direct heat absorption allows the most efficient use of solar energy. Applying the sun radiation absorbing layer directly on the surface of the heat accumulation block sets ideal conditions for the storage of solar energy:
  • the present invention has eliminated various auxiliary devices, primary lines used in other designs, so that thermal energy is directly transmitted to the accumulating material 30 .
  • heat transfer has two stages:
  • the thickness of the assembled heat exchanger block has been set on the following basis: the thermal accumulating material 30 needs to be melted. Consequently, the hydrogel layer (accumulating material 30 ) must be thick enough to let in a quantity of solar energy sufficient for the melting the entire volume of the thermal accumulating material 30 on an average sunny day—given a particular surface area. Consequently, the mass of the heat accumulation material 30 needs to be from 30 to 70 kg/m 2 of the absorbing surface, depending on the average-annual insulation of the location where the solar thermal collector is going to be used.
  • the author decided to assemble three blocks of accumulators of different thickness, connected in series: the thickest one nearest to the water supply, then the average, then the thinnest one.
  • the thermal insulation of the solar thermal collector includes the thermal insulation of the accumulator blocks and the insulation from the atmosphere on the absorbing surface side.
  • the insulation guard of the solar thermal accumulator can be of any type as a vacuum cavity.
  • the insulation consists of a glass made of pure glass with silica gel in the distance control frame.
  • the transparent guard is provided with an inner layer of infrared mirror. Also the transparent guard is designed with two-glass plate glass packs in order to reduce convection losses.
  • an infrared mirror can be made by gluing some special TC-88 film manufactured by the 3M Company to the glass inner surface, or by depositing a thin layer of indium oxide, using a vacuum ionic device.
  • this material is manufactured by the impregnation of sheets of very thin basalt fibres (no greater than 2 ⁇ m in diameter) with liquid ceramic insulation. A free area is left between the distance-control frame and the body, which runs along the perimeter of the glass. This area is painted with an absorbing black paint (a primer) on the inside.
  • the collector also comprises heat-conducting elements to conduct heat from the selectively light-absorbing coating to the phase transformation material and optionally to the water in the heat exchanger.
  • the heat-conducting elements are in the form of ribs. To eliminate heat losses by thermal radiation through the bottom surfaces of the ribs, the latter are insulated with a special composite coating on the inside.
  • the ribs can be installed in a network of the glass fibre dipped in liquid ceramic thermal insulation material as previously described.
  • a heated butt of the glass absorbs less heat from the inner air layer, which prevents convection.
  • the thermal insulation of the accumulator includes three stages:
  • the thermal accumulator further comprises thermal conductive elements 7 for example in the form of metal bars 70 comprising ribs 72 (preferably in form of louvers) thermally linked to the metal bars 70 .
  • Thermal conductive elements 7 are thermally linked and are preferably joined into a pack, made of heat conducting material, metal for example.
  • the solar energy collector operates as follows. Sun rays reach the absorption louvers 72 and heats them. Thermal energy is transferred from the louvers 72 to the metal bars 70 that bring further thermal energy to the collector.
  • the metal bars 70 can be filed with any fluid able to efficiently transport thermal energy.
  • the fluid is an evaporating fluid. Accordingly when the evaporating fluid is heated by the absorption of solar energy (metal louvers also allow the absorption and the conduction of the thermal energy to the metal bars 70 ) the evaporating fluid begins to evaporate, raises inside the metal bars and then reach the extremity 700 of the bars 70 that terminally linked to the collector.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Thermal Insulation (AREA)
US13/375,743 2009-06-04 2010-06-03 Solar thermal collector Abandoned US20120132196A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
UA2009-04252 2009-06-04
UAA200904252A UA91791C2 (en) 2009-06-04 2009-06-04 Continuous flow solar-heat collector
PCT/EP2010/057800 WO2010139772A2 (en) 2009-06-04 2010-06-03 Solar thermal collector

Publications (1)

Publication Number Publication Date
US20120132196A1 true US20120132196A1 (en) 2012-05-31

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US13/375,743 Abandoned US20120132196A1 (en) 2009-06-04 2010-06-03 Solar thermal collector

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US (1) US20120132196A1 (ru)
EP (1) EP2438365A2 (ru)
CN (1) CN102460033B (ru)
UA (1) UA91791C2 (ru)
WO (2) WO2010140993A1 (ru)

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WO2015001101A1 (en) * 2013-07-05 2015-01-08 British American Tobacco (Investments) Limited Sodium acetate trihydrate formulations
CN105950119A (zh) * 2016-05-24 2016-09-21 刘高志 一种用于太阳能采暖的相变储能复合材料及其制备方法
WO2018022873A1 (en) * 2016-07-27 2018-02-01 Revelant Device and methods for increasing the solubility of crystals in water
US10036574B2 (en) 2013-06-28 2018-07-31 British American Tobacco (Investments) Limited Devices comprising a heat source material and activation chambers for the same
US20190148946A1 (en) * 2017-11-13 2019-05-16 Hitachi, Ltd. Energy management system, and energy management method
US10542777B2 (en) 2014-06-27 2020-01-28 British American Tobacco (Investments) Limited Apparatus for heating or cooling a material contained therein
US10881138B2 (en) 2012-04-23 2021-01-05 British American Tobacco (Investments) Limited Heating smokeable material
US11051551B2 (en) 2011-09-06 2021-07-06 Nicoventures Trading Limited Heating smokable material
US11659863B2 (en) 2015-08-31 2023-05-30 Nicoventures Trading Limited Article for use with apparatus for heating smokable material
US11672279B2 (en) 2011-09-06 2023-06-13 Nicoventures Trading Limited Heating smokeable material
US11896055B2 (en) 2015-06-29 2024-02-13 Nicoventures Trading Limited Electronic aerosol provision systems
US11924930B2 (en) 2015-08-31 2024-03-05 Nicoventures Trading Limited Article for use with apparatus for heating smokable material
US12016393B2 (en) 2015-10-30 2024-06-25 Nicoventures Trading Limited Apparatus for heating smokable material
US12070070B2 (en) 2015-06-29 2024-08-27 Nicoventures Trading Limited Electronic vapor provision system
US12258285B2 (en) 2016-07-27 2025-03-25 Synergetic Oil Tools, Inc. Device and methods for increasing the solubility of crystals in water, rheology data
US12303844B2 (en) 2016-07-13 2025-05-20 Synergetic Oil Tools, Inc. Band-pass filter

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DE102011080782B4 (de) * 2011-08-10 2014-09-04 Eberspächer Exhaust Technology GmbH & Co. KG Latentwärmespeicher und Katalysator
SE539060C2 (en) * 2014-09-16 2017-04-04 Jilkén Leif Composite solar collector
SG11201702523PA (en) * 2014-10-30 2017-05-30 Toppan Forms Co Ltd Refrigerant pack
US10386094B2 (en) 2016-11-17 2019-08-20 Leif Jilkén Composite solar collector

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WO2010140993A1 (ru) 2010-12-09
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