Cooling systems using adsorption are described. The cooling systems use an adsorption cycle without continuous heat input and over a long duration. The cooling system can function by vaporizing a liquid at a reduced pressure. The cooling systems have applications in developing countries, in both ari
Cooling systems using adsorption are described. The cooling systems use an adsorption cycle without continuous heat input and over a long duration. The cooling system can function by vaporizing a liquid at a reduced pressure. The cooling systems have applications in developing countries, in both arid and non-arid regions, allowing, for example, for the operation of refrigerators and small air conditioners without electrical input. The cooling systems can be used for cold storage. The cooling systems can present a greener alternative to conventional cooling methods in developed countries.
대표청구항▼
1. A cooling system, comprising: a cooling unit comprising: a thermally conductive housing adapted to contain a vaporizable liquid therein and enable transfer of thermal energy from an exterior of the thermally conductive housing to the vaporizable liquid, the transfer converting the vaporizable liq
1. A cooling system, comprising: a cooling unit comprising: a thermally conductive housing adapted to contain a vaporizable liquid therein and enable transfer of thermal energy from an exterior of the thermally conductive housing to the vaporizable liquid, the transfer converting the vaporizable liquid into a vapor,a fluid inlet adapted to receive a feed of vaporizable liquid for introducing the vaporizable liquid into the thermally conductive housing, anda vapor outlet;a first adsorbent unit comprising: a housing containing a reusable solid adsorbent material therein, the housing comprising: a metal region defining a second side of the housing, anda transparent region facing the reusable solid absorbent material the transparent region of the housing defining a transparent first side of the housing positioned opposite the second side,a plurality of heat spreaders disposed in the solid absorbent material and thermally coupled with the metal region, the transparent region enabling solar heating of the reusable solid adsorbent material through the transparent region to regenerate the reusable solid adsorbent material,a vapor inlet configured to be removeably coupled to the vapor outlet of the cooling unit, the vapor inlet enabling the reusable solid adsorbent material to adsorb the vapor from the cooling unit, anda regeneration port sealed by a removable end cap, the regeneration port adapted to be removeably coupled to a vapor inlet of a second adsorbent unit when the end cap is removed to permit the vapor from the cooling unit to be adsorbed by the second adsorbent unit; anda vacuum pump configured to be placed in removable fluid communication with at least one of the cooling unit and the first adsorbent unit, the vacuum pump adapted to generate negative pressure within the cooling unit and the first adsorbent unit. 2. The cooling system of claim 1, further comprising tubing connected to the first adsorbent unit, the cooling unit, the vacuum pump, or any combination thereof. 3. The cooling system of claim 2, wherein the tubing, the cooling unit, the vacuum pump, the first adsorbent unit, or any combination thereof, comprises matable fittings. 4. The cooling system of claim 1, wherein the adsorbent unit, the cooling unit, or both the first adsorbent unit and cooling unit comprise a heat fin, a heat exchanger, a heat pin, a heat pipe, or any combination thereof. 5. The cooling system of claim 1, wherein the first adsorbent unit comprises the housing containing the solid adsorbent material and a plurality of vapor-permeable spacers that separate portions of the solid adsorbent material from one another. 6. The cooling system of claim 1, wherein the first adsorbent unit comprises the housing containing a plurality of vapor-permeable containers containing the solid adsorbent material. 7. The cooling system of claim 1, wherein the solid adsorbent material comprises a solid hygroscopic material selected from the group consisting of silica gel, molecular sieve, zeolite, activated carbon, and montmorillonite. 8. The cooling system of claim 1, wherein the transparent region of the housing enables solar heating of the reusable solid adsorbent material through the transparent region to create a convection airflow between the regeneration port and the vapor inlet, the convection airflow regenerating the reusable solid adsorbent material. 9. The cooling system of claim 1, wherein the vaporizable liquid is water. 10. The cooling system of claim 1, wherein the housing of the cooling unit comprises cascading trays within the cooling unit housing. 11. The cooling system of claim 1, wherein the cooling unit further comprises one or a plurality of wicks. 12. The cooling system of claim 1, wherein the cooling unit further comprises one or a plurality of vaporization nucleation sites. 13. The cooling system of claim 1, wherein the first adsorbent unit comprises a perforated sheet box comprising the plurality of heat spreaders and containing the reusable solid adsorbent material, the perforated sheet box positioned between the first and second sides. 14. The cooling system of claim 13, wherein the perforated sheet box is configured to expose at least a portion of the reusable solid adsorbent material to the transparent first side. 15. The cooling system of claim 13, wherein the perforated sheet box and the first side define a convection airflow passage between the regeneration port and the vapor inlet. 16. The cooling system of claim 15, wherein the convention airflow passage comprises a void between a first surface of the perforated sheet box and an interior surface of the transparent first side of the housing, the first surface of the perforated sheet box comprising the exposed portions of the reusable solid adsorbent material. 17. The cooling system of claim 1, wherein the first and second sides of the housing are flat plates positioned in parallel.
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이 특허에 인용된 특허 (8)
Sanada Masaru,JPX ; Yamamoto Makota,JPX ; Komatu Fujio,JPX ; Fujii Makoto,JPX, Adsorption type cooling apparatus, method of controlling cold output of same, and fin type adsorbent heat exchanger for.
Maier-Laxhuber Peter (Saumweberstr. 14 D-8000 Munchen 60 DEX) Schwarz Jorn (Josef-Zintl-Str. 6 a D-8000 Munchen 50 DEX) Winter Edgar R. F. (Fontaneweg 4 ; Neu-Esting D-8037 ; Olching DEX) Soltes Jose, Apparatus for cooling a medium within a container.
Tchernev Dimiter I. (9 Woodman Rd. Chestnut Hill MA 02167), Apparatus for cyclic production of thermal energy by plural adsorption stations and methods.
Del Bagno Anthony C. (12 Cedar St. Newton NJ 07860) Giordano Richard R. (12 Cedar St. Newton NJ 07860) Rose Frederick (12 Cedar St. Newton NJ 07860), Heat pipe having multiple integral wick structures.
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