A phase change material (PCM) heat exchanger device comprising heat exchanger cells (1a, 1b) operating on the regenerative countercurrent principle, one or more phase change material (PCM) accumulators (2, 3) provided in the heat exchanger cells and one or more vortex tubes (6, 7, 8). When the direc
A phase change material (PCM) heat exchanger device comprising heat exchanger cells (1a, 1b) operating on the regenerative countercurrent principle, one or more phase change material (PCM) accumulators (2, 3) provided in the heat exchanger cells and one or more vortex tubes (6, 7, 8). When the directions of the air, gas and liquid flows are cyclically reversed in the apparatus, energy is recovered into the heat exchanger cell and the PCM accumulator, and during the subsequent cycle, the energy is released from the heat exchanger cell and PCM accumulator. While one heat exchanger cell and PCM accumulator is being charged, the other heat exchanger cell and PCM accumulator is simultaneously discharged. Warm air exits a first outlet port while cold air exits a second outlet port of the one or more vortex tubes. The fluid flows heat or cool the heat exchanger cells and associated PCM accumulators.
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1. A phase change material heat exchanger device, comprising: at least first and second heat exchanger cells, each dimensioned for fluid flow therethrough, with fluid flow directions that alternately reverse within each cell while remaining mutually opposite, at least one of said first and second he
1. A phase change material heat exchanger device, comprising: at least first and second heat exchanger cells, each dimensioned for fluid flow therethrough, with fluid flow directions that alternately reverse within each cell while remaining mutually opposite, at least one of said first and second heat exchanger cells comprising a phase change material (PCM) accumulator,means for alternately reversing said fluid flow directions through said first and second heat exchanger cells, so that said fluid flow directions remain mutually opposite,a vortex tube having an inlet port, a first outlet port, and a second outlet port, anda fluid-tight chamber in which the vortex tube is located, wherein the outlet ports of the vortex tube lead to one of the following: said first heat exchanger cell, said second heat exchanger cell or outside said heat exchanger device. 2. The phase change material (PCM) heat exchanger device as defined in claim 1, wherein when the temperature difference of the fluid flows from and to the device is sufficient to activate the phase change material (PCM) accumulator, the operation of the vortex tube is turned off. 3. The phase change material (PCM) heat exchanger device as defined in claim 1, wherein a plurality of cyclically operating phase change material (PCM) accumulators are provided in respective heat exchanger cells. 4. The phase change material heat exchanger device of claim 3 wherein at least some of the plurality of cyclically operating phase change (PCM) accumulators have different operating temperature ranges. 5. The phase change material (PCM) heat exchanger device as defined in claim 1, wherein each phase change material (PCM) heat exchanger cell is dimensioned for use in one of the following: a building, a vehicle, a submarine, an airplane, a transportation container, a computer, a cryogenic device, a space technology application, and a supercritical carbon dioxide application. 6. A phase change material heat exchanger device, comprising: first and second heat exchanger cells, each cell dimensioned for fluid flow therethrough, with fluid flow directions that alternately reverse within each cell while remaining mutually opposite, at least one of said first and second heat exchanger cells comprising a phase change material (PCM) accumulator,means for alternately reversing said fluid flow directions through said first and second heat exchanger cells, so that said fluid flow directions remain mutually opposite,a chamber adjacent said first and second heat exchanger cells, anda vortex tube having an inlet port for receipt of compressed air, a first outlet port configured to dispense warm air, and a second outlet port configured to dispense cold air, the vortex tube located within the chamber so as to deliver cooling or heating to said first heat exchanger cell. 7. The phase change material heat exchanger device as defined in claim 6, wherein said delivery of heating or cooling by said vortex tube to said first heat exchanger cell is also provided to the second heat exchanger cell when the fluid flow directions through the heat exchanger cells are alternately reversed by said means for alternately reversing fluid flow directions of through said first and second heat exchanger cells. 8. The phase change material heat exchanger device as defined in claim 7, wherein the second outlet port of the vortex tube is configured to deliver cool air to the second heat exchanger cell while the first outlet port of the vortex tube delivers warm air to the first heat exchanger cell and wherein this delivery is reversed when the fluid flow directions through the first and second heat exchanger cells are alternately reversed by said means for alternately reversing said fluid flow directions through said first and second heat exchanger cells. 9. The phase change material heat exchanger device as defined in claim 6, wherein the vortex tube is configured so that the outlet port not delivering cooling or heating to said first heat exchanger cell is positioned outside the heat exchanger device so that heating or cooling that is not delivered to the first heat exchanger cell is delivered outside said heat exchanger device. 10. The phase change material heat exchanger device as defined in claim 6, further comprising a second vortex tube located within the chamber or in an additional chamber of the heat exchanger device adjacent said first and second heat exchanger cells so as to deliver cooling or heating to said first heat exchanger cell and/or said second heat exchanger cell. 11. The phase change material heat exchanger device as defined in claim 10, wherein each vortex tube is configured so that the outlet port not delivering cooling or heating to said first heat exchanger cell and/or said second heat exchanger cell is positioned outside the heat exchanger device so that heating or cooling that is not delivered to the first heat exchanger cell and/or said second heat exchanger cell is delivered outside said heat exchanger device. 12. The phase change material heat exchanger device as defined in claim 6, wherein the chamber is a fluid-tight chamber. 13. The phase change material heat exchanger device as defined in claim 12, wherein heating or cooling by the vortex tube that is not delivered to one of the first and second heat exchanger cells is delivered outside said heat exchanger device. 14. The phase change material heat exchanger device as defined in claim 13, wherein a plurality of cyclically operating phase change material (PCM) accumulators are positioned in at least one of the first and second heat exchanger cells.
Kawashima Junzo (Hamamatsu JPX) Araki Nobuyuki (Hamamatsu JPX), Method of intensifying heat in reversed Rankine cycle and reversed Rankine cycle apparatus for conducting the same.
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