The invention relates to a process and apparatus (1) for transferring heat from a first relatively cold medium to a second relatively hot medium, comprising a gastight rotor (4) rotatably mounted in a frame (2), and, mounted inside the rotor (4), a compressor (10), a first heat exchanger (8) for tra
The invention relates to a process and apparatus (1) for transferring heat from a first relatively cold medium to a second relatively hot medium, comprising a gastight rotor (4) rotatably mounted in a frame (2), and, mounted inside the rotor (4), a compressor (10), a first heat exchanger (8) for transferring heat from the fluid to the second medium and located relatively far from the axis of rotation of the rotor (4), an expansion chamber (11) for expanding the fluid, and a channel (14) for conveying the expanded fluid from the expansion chamber (11) to the compressor (10), wherein the first heat exchanger (8) is thermally insulated from the channel (14).
대표청구항▼
1. A process for transferring heat from a first medium to a second medium, the process comprising: (a) rotating a compressible fluid about an axis of rotation such that the fluid is compressed in a direction away from the axis of rotation to provide a compressed fluid;(b) transferring heat from the
1. A process for transferring heat from a first medium to a second medium, the process comprising: (a) rotating a compressible fluid about an axis of rotation such that the fluid is compressed in a direction away from the axis of rotation to provide a compressed fluid;(b) transferring heat from the compressed fluid to the second medium;(c) expanding the compressed fluid in a direction towards the axis of rotation to (i) provide an expanded fluid and (ii) transfer heat from the first medium to the fluid; and(d) conveying the expanded fluid towards the compression of step (a) while preventing heat transfer between the expanded fluid of step (d) and the compressed fluid of step (b). 2. The process of claim 1, wherein: the fluid compression of step (a) is isentropic compression;the heat transfer of step (b) is isobaric heat transfer; andthe fluid expansion of step (c) is isothermal expansion. 3. The process of claim 2, wherein the process has a thermodynamic cycle consisting of the isentropic compression, followed by the isobaric heat transfer, followed by the isothermal expansion. 4. The process of claim 2, wherein: the first medium is taken from the surroundings and/or has a temperature equal to that of the surroundings;the fluid compression of step (a) and the fluid expansion of step (c) are provided by separate impellers rotating at different rates; andthe fluid comprises a mono-atomic element having an atomic number (Z)≧18. 5. The process of claim 1, wherein the first medium is taken from the surroundings and/or has a temperature equal to that of the surroundings. 6. The process of claim 1, wherein the fluid compression of step (a) and the fluid expansion of step (c) are provided by separate impellers rotating at different rates. 7. The process of claim 1, wherein the fluid comprises a mono-atomic element having an atomic number (Z)≧18. 8. The process of claim 7, wherein the mono-atomic element has an atomic number (Z)≧36. 9. The process of claim 1, wherein the fluid consists of a mono-atomic element having an atomic number (Z)≧18. 10. The process of claim 9, wherein the mono-atomic element has an atomic number (Z)≧36. 11. The process of claim 1, further comprising transferring additional heat to the expanded fluid after step (c) and before the expanded fluid is compressed after step (d). 12. An apparatus for transferring heat from a first medium to a second medium, the apparatus comprising: a frame; anda first rotor rotatably mounted to the frame, the first rotor comprising: a compressor having (i) an inlet and (ii) an outlet;a first heat exchanger having (i) an inlet fluidly connected to the outlet of the compressor and (ii) an outlet;an expansion chamber having (i) an inlet fluidly connected to the outlet of the first heat exchanger and (ii) an outlet;a channel having (i) an inlet fluidly connected to the outlet of the expansion chamber and (ii) an outlet fluidly connected to the inlet of the compressor; anda thermal insulator located between the channel and the first heat exchanger, wherein, during operation of the apparatus, the first rotor rotates about an axis of rotation with respect to the frame, such that: within the compressor, compressible fluid received from the channel is compressed;within the first heat exchanger, heat flows from fluid received from the compressor to the second medium;within the expansion chamber, fluid received from the first heat exchanger expands and heat flows from the first medium to the fluid; andthe thermal insulator prevents heat transfer between fluid in the channel and fluid in the first heat exchanger. 13. The apparatus of claim 12, wherein: fluid compression in the compressor is isentropic compression;heat transfer in the first heat exchanger is isobaric heat transfer; andfluid expansion in the expansion chamber is isothermal expansion. 14. The apparatus of claim 13, wherein the operation of the apparatus has a thermodynamic cycle consisting of the isentropic compression in the compressor, followed by the isobaric heat transfer in the first heat exchanger, followed by the isothermal expansion in the expansion chamber. 15. The apparatus of claim 14, wherein: the first heat exchanger extends parallel to the axis of rotation of the first rotor;the compressor comprises a second rotor that can rotate relative to the first rotor; andthe apparatus further comprises at least one motor that rotates at least one of (i) the first rotor with respect to the frame and (ii) the second rotor with respect to the first rotor, wherein the at least one motor is thermally coupled to the channel. 16. The apparatus of claim 12, further comprising a second heat exchanger that is thermally coupled to or forms a part of the expansion chamber. 17. The apparatus of claim 12, wherein the compressor comprises a second rotor that can rotate relative to the first rotor. 18. The apparatus of claim 12, wherein the first heat exchanger extends parallel to the axis of rotation of the first rotor. 19. The apparatus of claim 12, further comprising a motor that rotates the first rotor with respect to the frame, wherein the motor is mounted inside the first rotor and is thermally coupled to the channel. 20. The apparatus of claim 12, wherein the first heat exchanger comprises a plate heat exchanger. 21. The apparatus of claim 12, further comprising the compressible fluid, wherein the compressible fluid comprises a mono-atomic element having an atomic number (Z)≧18.
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이 특허에 인용된 특허 (17)
Eskeli Michael (7994-41 Locke Lane Houston TX 77042), Dual rotor heat exchanger.
Hays Lance G. (Los Angeles CA) Studhalter Walter R. (Woodland Hills CA) Ritzi Emil W. (Manhattan Beach CA), Refrigeration process using two-phase turbine.
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