[특허]Heat pump humidifier and dehumidifier system and method

Nortek Air Solutions Canada, Inc.

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특허 상세정보

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Heat pump humidifier and dehumidifier system and method

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25D-017/06 F24F-003/147 F25B-049/02 F25B-013/00
출원번호	US-0275633 (2011-10-18)
등록번호	US-9885486 (2018-02-06)
발명자 / 주소	Wintemute, David Martin
출원인 / 주소	Nortek Air Solutions Canada, Inc.
대리인 / 주소	Schwegman Lundberg & Woessner, P.A.
인용정보	피인용 횟수 : 0 인용 특허 : 95

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A heat pump system for conditioning air supplied to a space is provided. The system includes a pre-processing module that pre-conditions supply air. A supply air heat exchanger is in flow communication with the pre-processing module. The supply air heat exchanger receives air from the pre-processing module and at least one of heats or cools the air from the pre-processing module. A processing module is in flow communication with the supply air heat exchanger. The processing module receiving and conditioning air from the supply air heat exchanger. A regen...

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1. A heat pump system for conditioning air supplied to a space, the system configured to operate in both a summer mode and a winter mode, the system comprising: a return air path including a return air inlet and a return air outlet downstream of the return air inlet, the return air path receiving return air at the return air inlet and delivering conditioned return air to the return air outlet;a supply air path including a supply air inlet and a supply air outlet connected to the space and downstream of the supply air inlet, the supply air path receiving one or more of return air and outside air at the supply air inlet and delivering conditioned supply air to the supply air outlet;a supply air heat exchanger that operates as an evaporator coil in the summer mode and as a condenser coil in the winter mode, wherein the supply air heat exchanger is disposed within the supply air flow path;a regeneration air heat exchanger that operates as a condenser coil in the summer mode and an evaporator coil in the winter mode, wherein the regeneration air heat exchanger is disposed within the return air flow path; anda processing module in flow communication with the supply air heat exchanger and the regeneration air heat exchanger to condition the supply air using return air, wherein the processing module includes a supply portion disposed in the supply air flow path downstream of the supply air heat exchanger, and includes a regeneration portion disposed in the return air flow path downstream of the regeneration air heat exchanger. 2. The heat pump system of claim 1 further comprising: a control system configured to sense a condition of a supply air stream, and control an output of at least one of the processing module, a single compressor, multiple compressors or a variable compressor to achieve a predetermined dehumidification in the summer mode and predetermined humidification in the winter mode. 3. The heat pump system of claim 1 further comprising: a control system configured to control an output of at least one of the processing module, a single compressor, multiple compressors or a variable compressor to achieve a predetermined performance in both the summer mode and the winter mode. 4. The heat pump system of claim 1 further comprising a heat exchanger switch in flow communication with both the supply and regeneration air heat exchangers that is fluidly coupled to a refrigerant system. 5. The heat pump system of claim 4 further comprising a control system that allows a space sensible load and a latent load to be maintained independently. 6. The heat pump system of claim 1, wherein the air supplied to the space is at least one of outside air or return air. 7. The heat pump system of claim 1, wherein the regeneration air heat exchanger is configured to receive regeneration air, wherein the regeneration air is at least one of outside air or return air. 8. The heat pump system of claim 7, wherein moisture is transferred between the air supplied to the space and the regeneration air through the processing module. 9. The heat pump system of claim 7 wherein one or both of the supply air heat exchanger and the processing module is configured to transfer heat between the air supplied to the space and the regeneration air. 10. The heat pump system of claim 1 further comprising a control system that allows a space sensible load and a latent load to he maintained independently. 11. The heat pump system of claim 1 further comprising a control system to limit frost formation in the processing module and or the heat exchanger in the winter mode. 12. The heat pump system of claim 1 further comprising a control system to limit frost formation in the processing module and or the supply or regeneration air heat exchangers in the winter mode. 13. The heat pump system of claim 1 further comprising a switch in flow communication with the supply air heat exchanger that is fluidly coupled to a refrigerant system. 14. The heat pump system of claim 13 further comprising: a control system configured to sense a condition of at least one of a supply air stream or a regeneration air stream, and control an output of at least one of the processing module, the supply air heat exchanger, the heat exchanger switch, a single compressor, multiple compressors, or a variable compressor to achieve a predetermined performance in both the summer mode and the winter mode. 15. The heat pump system of claim 13, wherein the system senses a condition of at least one of a supply air stream or a regeneration air stream to control an output of the supply air heat exchanger switch to achieve a pre-determined amount of at least one of moisture transfer, heat transfer or limit frost formation in at least one of the processing module or the supply air heat exchanger. 16. The heat pump system of claim 1 further comprising an additional supply air heat exchanger located downstream from the processing module, and wherein the supply air heat exchanger is located upstream from the processing module. 17. The heat pump system of claim 16 further comprising a heat exchanger switch to control the flow of refrigerant in the supply air heat exchanger and the additional supply air heat exchanger. 18. The heat pump system of claim 17, wherein the system senses a condition of at least one of a supply air stream or a regeneration air stream to control an output of at least one of the heat exchanger switch to achieve a pre-determined amount of at least one of moisture transfer, heat transfer or limit frost formation in at least one of the processing module or the supply air and additional supply air heat exchangers. 19. The heat pump system of claim 1 further comprising a heat exchanger switch to control flow of refrigerant in the supply and regeneration air heat exchangers. 20. The heat pump system of claim 19, wherein the system senses a condition of at least one of a supply air stream or a regeneration air stream to control an output of at least one of a heat exchanger switch to achieve a pre-determined amount of at least one of moisture transfer, heat transfer or limit frost formation in at least one of the processing module or heat exchangers. 21. The heat pump system of claim 1 further comprising a damper to change the flow of return air between the air supplied to the space and a regeneration air stream. 22. The heat pump system of claim 21 further comprising an outside air damper. 23. The heat pump system of claim 1 further comprising at least one heat exchanger switch to control the flow of cold and hot refrigerant in the refrigeration system. 24. The heat pump system of claim 1 further comprising a control system that allows a space sensible load and a latent load to be maintained independently. 25. The heat pump system of claim 1 further comprising a control system to limit frost formation in the processing module and or the supply air heat exchanger in the winter mode. 26. The heat pump system of claim 1 further comprising: a control system configured to sense a condition of at least one of a supply air stream or a regeneration air stream, and control an output of at least one of the processing module, the supply air heat exchanger, a heat exchanger switch, a single compressor, multiple compressors or a variable compressor to achieve a predetermined performance in both the summer mode and winter mode. 27. The heat pump system of claim 1, wherein the system senses a condition of at least one of a supply air stream or a regeneration air stream to control an output of at least one of a heat exchanger switch to achieve a predetermined amount of at least one of moisture transfer, heat transfer or limit frost formation in at least one of the processing module, the supply air heat exchanger, or the regeneration air heat exchanger. 28. The heat pump system of claim 1 further comprising a mixing damper and control system to mix both outside air and return air in a pre-determined amount to optimize performance of the system. 29. The heat pump system of claim 1, wherein the processing module comprises one or more of a desiccant wheel or liquid desiccant system configured to remove or transfer moisture from the air. 30. The heat pump system of claim 1, further comprising a pre-processing module having a first portion disposed within the supply air flow path and a second portion disposed in the return air flow path, wherein the supply air heat exchanger is disposed within the supply air flow path between the first portion of the pre-processing module and the first portion of the processing module, and wherein the regeneration heat exchanger is disposed within the return air flow path between the second portion of the pre-processing module and the second portion of the processing module. 31. The heat pump system of claim 30, wherein the pre-processing module comprises one or more of an enthalpy wheel, a fixed enthalpy plate, or an enthalpy pump. 32. The heat pump system of claim 1, wherein the supply air flow path includes a supply air inlet that receives outside air, and a supply air outlet that delivers conditioned air to the space. 33. The heat pump system of claim 32, wherein the return air flow path includes a return air inlet that receives return air from the space, and a return air outlet that exhausts the return air outside of the space. 34. The heat pump system of claim 1, further comprising a damper to change a direction of flow of return air between a first condition and a second condition, the regeneration heat exchanger upstream of the regeneration portion of the processing module in the first condition, and the regeneration heat exchanger downstream of the regeneration portion of the processing module in the second condition, wherein the regeneration air heat exchanger conditions air received from the regeneration portion of the processing module to create conditioned return air for delivery to the space in the second condition. 35. A humidifying and dehumidifying heat pump system operable in a summer mode and a winter mode, the heat pump system comprising: a return air path comprising: a return air inlet; anda return air outlet downstream of the return air inlet, the return air path receiving return air at the return air inlet and delivering conditioned return air to the return air outlet;a supply air path comprising: a supply air inlet; anda supply air outlet connected to the space and downstream of the supply air inlet, the supply air path receiving one or more of return air and outside air at the supply air inlet and delivering conditioned supply air to the supply air outlet;a supply heat exchanger located in the supply air flow path and operable as an evaporator in the summer mode and a condenser in the winter mode;a regeneration heat exchanger located in the return air flow path and operable as a condenser coil in the summer mode and an evaporator coil in the winter mode;a processing module configured to condition the supply air downstream of the supply heat exchanger using return air, the processing module comprising: a supply processing portion located in the supply air path downstreamof the supply heat exchanger; anda return processing portion located in the return air path downstream of the regeneration heat exchanger; anda pre-processing module configured to condition the supply air upstream of the supply heat exchanger using return air, the pre-processing module comprising: a supply pre-processing portion located in the supply air path upstream of the supply heat exchanger; anda return pre-processing portion located in the return air path upstream of the regeneration heat exchanger. 36. The heat pump system of claim 35, further comprising a control damper to change a direction of flow of return air between a first condition and a second condition, the regeneration heat exchanger upstream of the regeneration portion of the processing module in the first condition, and the regeneration heat exchanger downstream of the regeneration portion of the processing module in the second condition, wherein the regeneration air heat exchanger conditions air received from the regeneration portion of the processing module to create conditioned return air for delivery to the space in the second condition. 37. The heat pump system of claim 35, further comprising a recirculation damper to change a direction of flow of return air between a third condition and a fourth condition, the recirculation damper to deliver conditioned air from the processing module upstream of the regeneration air heat exchanger in the third condition, and the recirculation damper configured to force conditioned air from the processing module to the return air outlet in the fourth condition.

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Heat pump humidifier and dehumidifier system and method

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Heat pump humidifier and dehumidifier system and method

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