[특허]Energy exchange system for conditioning air in an enclosed structure

Nortek Air Solutions Canada, Inc.

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Energy exchange system for conditioning air in an enclosed structure

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25B-029/00 F24F-003/14 F28D-019/04 F28D-021/00 F24F-012/00 F24F-003/147
출원번호	US-0449598 (2012-04-18)
등록번호	US-9810439 (2017-11-07)
발명자 / 주소	Coutu, Ken Hemingson, Howard Brian Gerber, Manfred
출원인 / 주소	Nortek Air Solutions Canada, Inc.
대리인 / 주소	Schwegman Lundberg & Woessner, P.A.
인용정보	피인용 횟수 : 0 인용 특허 : 159

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Certain Embodiments provide an energy exchange system that includes a supply air flow path, an exhaust air flow path, an energy recovery device disposed within the supply and exhaust air flow paths, and a supply conditioning unit disposed within the supply air flow path. The supply conditioning unit may be downstream from the energy recovery device. Certain embodiments provide a method of conditioning air including introducing outside air as supply air into a supply air flow path, pre-conditioning the supply air with an energy recovery device, and fully-...

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1. An energy exchange system comprising: a supply air flow path;an exhaust air flow path;an energy recovery device disposed within the supply and exhaust air flow paths;a supply conditioning unit disposed within the supply air flow path, wherein the supply conditioning unit is downstream from the energy recovery device;a regenerator disposed within the exhaust air flow path; anda liquid handling device in fluid communication with the supply conditioning unit and the regenerator, wherein the liquid handling device comprises a moisture transfer loop in fluid communication with a supply loop and a regenerator loop. 2. The system of claim 1, wherein the regenerator and at least one heat exchange device are configured to be operated during off-hours to regenerate a desiccant. 3. The system of claim 1, wherein the liquid handling device contains one or more of liquid desiccant, water, glycol. 4. The system of claim 1, wherein the liquid handling device comprises a liquid source, wherein a concentration of liquid within the liquid handling device is configured to be adjusted through the liquid source. 5. The system of claim 1, wherein the liquid handling device comprises: a first heat exchanger in a supply fluid path;a second heat exchanger in an exhaust fluid path; anda conditioner that circulates heat transfer fluid between the first and second heat exchangers. 6. The system of claim 5, further comprising at least one more conditioner downstream or upstream of the first and second heat exchangers. 7. The system of claim 1, wherein the moisture transfer loop comprises a desiccant supply conduit and a desiccant return conduit, wherein at least portions of the desiccant supply conduit and the desiccant return conduit contact one another in a manner that facilitates thermal energy transfer therebetween. 8. The system of claim 7, wherein the desiccant supply conduit is formed concentric within, or concentric to, the desiccant return conduit. 9. The system of claim 7, wherein the desiccant supply conduit is arranged co-radial with the desiccant return conduit with flow occurring in opposite directions through the desiccant supply and return conduits. 10. The system of claim 1, wherein the supply conditioning unit comprises a liquid-to-air membrane energy exchanger (LAMEE). 11. The system of claim 1, further comprising a return air duct that fluidly connects the supply air flow path and the exhaust air flow path, wherein the return air duct connects to the supply air flow path downstream from the supply conditioning unit. 12. The system of claim 11, further comprising at least one post-conditioner disposed in one or both of the supply air flow path or the return air duct. 13. The system of claim 1, further comprising a post-conditioner disposed downstream of the energy recovery device and upstream of the supply conditioning unit in the supply air flow path. 14. The system of claim 1, further comprising a post-conditioner disposed downstream of one or both of the energy recovery device and the regenerator in the exhaust air flow path. 15. The system of claim 1, further comprising a remote conditioner. 16. The system of claim 1, wherein the supply air flow path and the exhaust air flow path are connected to a plurality of zone conditioners. 17. The system of claim 16, wherein the plurality of zone conditioners comprises the supply conditioning unit. 18. The system of claim 1, further comprising at least one control unit that monitors and controls operation of the system. 19. The system of claim 18, wherein the at least one control unit operates the system to selectively control one or both of humidity or temperature. 20. The system of claim 1, wherein each of the moisture transfer loop, the supply loop, and the regenerator loop is formed of one or more conduits that allow desiccant to flow through internal passages. 21. An energy exchange system comprising: a supply air flow path;an exhaust air flow path;a supply conditioning unit disposed within the supply air flow path;an energy recovery device disposed within the supply and exhaust air flow paths, wherein the supply conditioning unit is downstream from the energy recovery device;a regenerator disposed within the exhaust air flow path; anda liquid handling device in fluid communication with the supply conditioning unit and the regenerator, wherein the liquid handling device comprises a moisture transfer loop that is in fluid communication with a supply loop and a regenerator loop. 22. The system of claim 21, wherein the liquid handling device comprises first and second heat exchangers in fluid communication with a first heat exchange fluid conditioner. 23. The system of claim 22, further comprising second and third conditioners. 24. The system of claim 21, wherein the liquid handling device contains one or more of liquid desiccant, water, glycol. 25. The system of claim 21, wherein the liquid handling device comprises a liquid source, wherein a concentration of liquid within the liquid handling device is configured to be adjusted through the liquid source. 26. The system of claim 21, wherein the moisture transfer loop comprises a desiccant supply conduit and a desiccant return conduit, wherein at least portions of the desiccant supply conduit and the desiccant return conduit contact one another in a manner that facilitates thermal energy transfer therebetween. 27. The system of claim 26, wherein the desiccant supply conduit is formed concentric within, or concentric to, the desiccant return conduit. 28. The system of claim 26, wherein the desiccant supply conduit is arranged co-radial with the desiccant return conduit with flow occurring in opposite directions through the desiccant supply and return conduits. 29. The system of claim 21, wherein each of the supply conditioning unit and the regenerator comprises a liquid-to-air membrane energy exchanger (LAMEE). 30. The system of claim 21, further comprising a return air duct that fluidly connects the supply air flow path and the exhaust air flow path, wherein the return air duct connects to the supply air flow path downstream from the supply conditioning unit. 31. The system of claim 30, further comprising at least one post-conditioner disposed in one or both of the supply air flow path or the return air duct. 32. The system of claim 21, further comprising a post-conditioner disposed downstream of the energy recovery device and upstream of the supply conditioning unit in the supply air flow path. 33. The system of claim 21, further comprising a post-conditioner disposed downstream of one or both of the energy recovery device and the regenerator in the exhaust air flow path. 34. The system of claim 21, further comprising a remote conditioner. 35. The system of claim 21, wherein the supply air flow path and the exhaust air flow path are connected to a plurality of zone conditioners. 36. The system of claim 35, wherein the plurality of zone conditioners comprises the supply conditioning unit. 37. The system of claim 21, further comprising at least one control unit that monitors and controls operation of the system. 38. The system of claim 37, wherein the at least one control unit is configured to selectively control one or both of humidity or temperature. 39. The system of claim 21, wherein the regenerator and at least one heat exchange device are configured to be operated during off-hours to regenerate a desiccant circulated within the moisture transfer loop. 40. The system of claim 21, wherein each of the moisture transfer loop, the supply loop, and the regenerator loop is formed of one or more conduits that allow desiccant to flow through internal passages. 41. An energy exchange system comprising: a supply air flow path;an exhaust air flow path;an energy recovery device disposed within the supply and exhaust air flow paths;a supply liquid-to-air membrane energy exchanger (LAMEE) disposed within the supply air flow path, wherein the supply LAMEE is downstream from the energy recovery device;an exhaust LAMEE disposed within the exhaust air flow path; anda liquid handling device in fluid communication with the supply LAMEE and the exhaust LAMEE, wherein the liquid handling device comprises a moisture transfer loop in fluid communication with a supply loop and a regenerator loop. 42. The system of claim 41, wherein the liquid handling device contains one or more of liquid desiccant, water, glycol. 43. The system of claim 41, wherein the liquid handling device comprises a liquid source, wherein a concentration of liquid within the liquid handling device is configured to be adjusted through the liquid source. 44. The system of claim 41, wherein the liquid handling device comprises: a first heat exchanger in a supply fluid path;a second heat exchanger in an exhaust fluid path; anda conditioner that circulates heat transfer fluid between the first and second heat exchangers. 45. The system of claim 44, further comprising at least one more conditioner downstream or upstream of the first and second heat exchangers. 46. The system of claim 41, wherein the moisture transfer loop comprises a desiccant supply conduit and a desiccant return conduit, wherein at least portions of the desiccant supply conduit and the desiccant return conduit contact one another in a manner that facilitates thermal energy transfer therebetween. 47. The system of claim 46, wherein the desiccant supply conduit is formed concentric within, or concentric to, the desiccant return conduit. 48. The system of claim 46, wherein the desiccant supply conduit is arranged co-radial with the desiccant return conduit with flow occurring in opposite directions through the desiccant supply and return conduits. 49. The system of claim 41, further comprising a return air duct that fluidly connects the supply air flow path and the exhaust air flow path, wherein the return air duct connects to the supply air flow path downstream from the supply LAMEE. 50. The system of claim 49, further comprising at least one post-conditioner disposed in one or both of the supply air flow path or the return air duct. 51. The system of claim 41, further comprising a post-conditioner disposed downstream of the energy recovery device and upstream of the supply LAMEE in the supply air flow path. 52. The system of claim 41, further comprising a disposed downstream of one or both of the energy recovery device and the exhaust LAMEE in the exhaust air flow path. 53. The system of claim 52, further comprising a remote conditioner. 54. The system of claim 41, wherein the supply air flow path and the exhaust air flow path are connected to a plurality of zone conditioners. 55. The system of claim 41, further comprising at least one control unit that monitors and controls operation of the system. 56. The system of claim 55, wherein the at least one control unit operates the system to selectively control one or both of humidity or temperature. 57. The system of claim 41, wherein each of the moisture transfer loop, the supply loop, and the regenerator loop is formed of one or more conduits that allow desiccant to flow through internal passages. 58. A method of conditioning air comprising: introducing outside air as supply air into a supply air flow path;pre-conditioning the supply air with an energy recovery device;fully-conditioning the supply air with a supply conditioning unit that is downstream from the energy recovery device;regenerating desiccant contained within a liquid handling device with a regenerator disposed within the exhaust air flow path; andcirculating the desiccant through a moisture transfer loop that is in fluid communication with a supply loop and a regenerator loop. 59. The method of claim 58, further comprising adjusting a concentration of liquid within the liquid handling device. 60. The method of claim 58, further comprising shunting a portion of the exhaust air from the exhaust air flow path to the supply air flow path through a return air duct. 61. The method of claim 60, further comprising directing the portion of the exhaust air to at least one post-conditioner disposed in one or both of the supply air flow path or the return air duct. 62. The method of claim 58, further comprising monitoring and controlling operation with a control unit. 63. The method of claim 62, further comprising selectively controlling one or both of humidity or temperature with the control unit.

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Energy exchange system for conditioning air in an enclosed structure

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