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公开(公告)号:US12123618B2
公开(公告)日:2024-10-22
申请号:US18175230
申请日:2023-02-27
CPC分类号: F24F3/1423 , B01D53/06 , F24F3/14 , F24F3/1429 , B01D2253/204 , B01D2257/80 , B01D2259/40086 , B01D2259/4508 , F24F2003/144 , F24F2003/1458
摘要: A dehumidifying air handling unit for an HVACR system includes a housing, a desiccant wheel, and a cooling heat exchanger. A main airflow path extending through the housing from an air inlet to and air discharged outlet of the housing. The desiccant wheel includes a first end and a second end that are each disposed in the main airflow path and a metal organic framework desiccant that is moved between the first end and the second end. A desiccant wheel includes a metal organic framework desiccant disposed on a surface of the desiccant wheel. Rotation of the desiccant wheel moves a position of the surface between a first end and a second end of the desiccant wheel. The metal organic framework desiccant has an majority absorption-desorption operating band of 25% relative humidity or less.
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公开(公告)号:US12067333B2
公开(公告)日:2024-08-20
申请号:US17933356
申请日:2022-09-19
发明人: Jian Ming Zhang , Lifen Li , James P. Crolius , Scott A. Munns
IPC分类号: G06F17/18 , F25B49/02 , G06F30/20 , G06F111/10
CPC分类号: G06F30/20 , F25B49/022 , F25B2500/19 , F25B2700/04 , F25B2700/1931 , F25B2700/21161 , F25B2700/21162 , F25B2700/21163 , F25B2700/21172 , F25B2700/21173 , G06F2111/10
摘要: A method for estimating refrigerant charge for an HVACR system is provided. The method includes obtaining one or more system parameters during operation. The one or more system parameters include at least one of compressor suction superheat, system mass flow, expansion device mass flow or opening degree, compressor suction saturated temperature, and compressor discharge saturated temperature. The method also includes conducting a regression analysis on the one or more system parameters to determine one or more predictive parameters for estimating the refrigerant charge. The method further includes determining a predictive model based on regression analysis. The predictive model establishes a relationship between the refrigerant charge and the one or more predictive parameters. Also the method includes estimating the refrigerant charge based on the predictive model.
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公开(公告)号:US12066357B1
公开(公告)日:2024-08-20
申请号:US18047206
申请日:2022-10-17
发明人: Wayne N. Kraft
CPC分类号: G01M3/2807 , F24F11/32
摘要: Methods and related systems for operating a climate control system for an indoor space are disclosed. In an embodiment, the method includes operating an indoor fan of the climate control system to rotate an impeller of the indoor fan in a reverse rotational direction opposite a nominal rotational direction of the impeller. Additionally, the method includes determining an airflow of the indoor fan when the impeller of the indoor fan is rotated in the reverse rotational direction. Further, the method includes determining a duct leakage rate associated with at least one duct of the climate control system based on the determined airflow, wherein the at least one duct is sealed-off at an end thereof.
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公开(公告)号:US12050023B2
公开(公告)日:2024-07-30
申请号:US17085934
申请日:2020-10-30
IPC分类号: F24F8/10 , A61L9/04 , A61L9/12 , A61L9/20 , A61L9/22 , B01D46/00 , B01D46/44 , F24F8/22 , F24F8/24 , F24F8/30 , F24F11/52 , F24F110/64 , F24F110/66 , F24F110/70 , F24F110/72
CPC分类号: F24F8/10 , A61L9/046 , A61L9/122 , A61L9/205 , A61L9/22 , B01D46/0086 , B01D46/442 , B01D46/448 , F24F11/52 , A61L2209/111 , A61L2209/14 , A61L2209/16 , A61L2209/211 , B01D2279/35 , B01D2279/50 , B01D2279/65 , F24F8/22 , F24F8/24 , F24F8/30 , F24F2110/64 , F24F2110/66 , F24F2110/70 , F24F2110/72
摘要: An indoor air quality (IAQ) control system for a heating, ventilation, air conditioning, and Refrigeration (HVACR) system including an IAQ monitor that collects air quality data from an air quality sensor of an air quality-controlled space; a controller that manages a remediation device of the air quality-controlled space; and an IAQ management server that generates a biological pollutant estimate based on the air quality data using an algorithm that correlates the air quality data to the biological pollutant estimate, and generates a remediation recommendation. Additionally, a control method includes collecting air quality data from an air quality sensor of an air quality-controlled space using an IAQ monitor; managing a remediation device of the air quality-controlled space using a controller; generating a biological pollutant estimate based on the air quality data using an algorithm that correlates the air quality data to the biological pollutant estimate; and generating a remediation recommendation.
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公开(公告)号:US12028792B2
公开(公告)日:2024-07-02
申请号:US18069012
申请日:2022-12-20
发明人: Carl L. Garrett , Nathan Smith , Daniel J. Blair , Drew Whitehurst , Caleb Davis
IPC分类号: H04W40/34 , G05B19/042 , H04W4/80 , H04W76/10
CPC分类号: H04W40/34 , G05B19/042 , H04W4/80 , H04W76/10 , G05B2219/2614
摘要: Methods and related systems for operating a climate control system for an indoor space are disclosed. In an embodiment, the method includes establishing a connection between a device and a hub of the climate control system along a first signal pathway, wherein at least a portion of the first signal pathway comprises a short-range radio connection between the device and a first component of the system. In addition, the method includes monitoring one or more parameters of the first signal pathway and one or more parameters of a second signal pathway extending between the device and the hub, wherein at least a portion of the second signal pathway comprises a short-range radio connection between the device and a second component of the system. Further, the method includes re-routing the connection between the portable device and the system hub from the first signal pathway to the second signal pathway.
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公开(公告)号:US12012963B2
公开(公告)日:2024-06-18
申请号:US17850138
申请日:2022-06-27
CPC分类号: F04C29/0021 , F04C18/0215 , F25B31/026 , F25B2400/13
摘要: A scroll compressor includes a compressor housing, an orbiting scroll member, a non-orbiting scroll member, an economizer injection inlet, and a discharge outlet. The orbiting scroll member and the non-orbiting scroll member are disposed within the compressor housing. The orbiting scroll member and the non-orbiting scroll member are intermeshed thereby forming a compression chamber within the compressor housing. The non-orbiting scroll includes at least one compression inlet port. An economizer injection inlet is formed through the compressor housing and in fluid communication with the compression chamber via the at least one compression inlet port. The discharge outlet is in fluid communication with the compression chamber.
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公开(公告)号:US20240183585A1
公开(公告)日:2024-06-06
申请号:US18440640
申请日:2024-02-13
CPC分类号: F25B30/02 , F25B13/00 , F25B29/003 , F25B40/06 , F25B2313/02731 , F25B2700/21152
摘要: There is disclosed a reversible heat pump system 100 and a method of operating a reversible heat pump system to control the temperature of a process fluid of a chiller system 500. In a cooling mode, a working fluid is circulated for co-current flow with a process fluid at a heat exchanger 104 functioning as an evaporator heat exchanger, whereas in a heating mode, the working fluid is circulated for counter-current flow with the process fluid at the same heat exchanger 104 functioning as a condenser heat exchanger.
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公开(公告)号:US11976858B2
公开(公告)日:2024-05-07
申请号:US17453128
申请日:2021-11-01
发明人: Dermott Crombie , Stephen A. Kujak
CPC分类号: F25B43/00 , F25B45/00 , F25B2345/002
摘要: A method of converting a refrigerant includes recovering a refrigerant from a refrigeration unit with an evacuation pump and containing the recovered refrigerant in a container. The method also includes converting the recovered refrigerant. The converted refrigerant is different from the recovered refrigerant. A system for converting a refrigerant includes an evacuation pump, a container, and one or more refrigerant containers. The evacuation pump and container are configured to recover a refrigerant from a refrigeration unit. The one or more refrigerant containers deliver one or more refrigerant components into the container to convert the recovered refrigerant.
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公开(公告)号:US11971183B2
公开(公告)日:2024-04-30
申请号:US17644310
申请日:2021-12-14
IPC分类号: F24F11/36 , F24F11/89 , G01N29/024 , G01N33/00
CPC分类号: F24F11/36 , F24F11/89 , G01N29/024 , G01N33/0027
摘要: Refrigerant leak detection systems as well as related climate control systems and methods are disclosed herein. In an embodiment, the refrigerant leak detection system includes a transmitter configured to emit an acoustic wave, and a receiver configured to detect the acoustic wave. The transmitter and the receiver are mounted within a space outside a conduit configured to carry a refrigerant of a climate control system. In addition, the refrigerant leak detection system includes a controller coupled to the transmitter and the receiver. The controller is configured to: determine a time of flight for the acoustic wave between the transmitter and the receiver, and determine whether a refrigerant is present in the space based on the time of flight.
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公开(公告)号:US11959690B2
公开(公告)日:2024-04-16
申请号:US17554515
申请日:2021-12-17
发明人: Jason T. LeRoy
CPC分类号: F25D21/002 , F25B13/00 , F25B49/02 , F28D9/0031
摘要: A heat pump includes a compressor, a metering device, a first heat exchanger, a second heat exchanger, a first fan, a second fan, and a refrigerant circuit between the first heat exchanger and the second heat exchanger. A thermal storage device coupled to the refrigerant circuit is configured to store thermal energy when the refrigerant fluid is above a threshold temperature and discharge thermal energy when the refrigerant fluid is below the threshold temperature. The heat pump is operated in a heating mode in which heat is transferred from the refrigerant fluid at the first heat exchanger and the temperature of the refrigerant fluid at the thermal storage device is above the threshold temperature, and a defrost mode in which heat is transferred to the refrigerant fluid at the first heat exchanger and the temperature of the refrigerant fluid at the thermal storage device is below the threshold temperature.
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