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1.发明申请公开(公告)号：US20190170385A1
公开(公告)日：2019-06-06
申请号：US15874630
申请日：2018-01-18
摘要： The present disclosure relates to a heating, ventilating, and air conditioning (HVAC) system that includes a refrigerant circuit and a sensor configured to measure a refrigerant concentration external to the refrigeration circuit. The HVAC system also includes a controller that is communicatively coupled to the sensor and to an economizer. The controller is configured to control a flow of environmental air into the HVAC system. The controller is further configured to increase a ratio of the flow of environmental air relative to a flow of return air from a conditioned interior space of a building when the sensor measures the refrigerant concentration above a predetermined threshold concentration.
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公开(公告)号：US10670316B2
公开(公告)日：2020-06-02
申请号：US15944615
申请日：2018-04-03
IPC分类号： F25B7/00 , F25B49/02 , F24F11/30 , F24F11/70 , F24F11/88 , F25B6/00 , F24F11/74 , F24F11/86 , F24F110/10 , F24F110/20
摘要： The present disclosure relates to a heating, ventilating, and air conditioning (HVAC) unit including a first refrigeration circuit having a first compressor and a first condenser, a second refrigeration circuit having a second compressor and a second condenser, a first fan configured to generate airflow over the first condenser, a second fan configured to generate airflow over the second condenser, an evaporator common to the first refrigeration circuit and the second refrigeration circuit, and a controller configured to control operation of the HVAC unit according to an active staging operation of a plurality of staging operations, wherein the plurality of staging operations comprises at least three stages of operation in which each of the first and second compressors individually operates in a selection of at least two compression settings and each of the first and second fans individually operates in a selection of at least two speed settings.
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公开(公告)号：US20180372386A1
公开(公告)日：2018-12-27
申请号：US15944615
申请日：2018-04-03
CPC分类号： F25B49/022 , F24F11/30 , F24F11/70 , F24F11/74 , F24F11/86 , F24F11/88 , F24F2110/10 , F24F2110/20 , F25B6/00 , F25B7/00 , F25B49/025 , F25B2600/0253 , F25B2600/111 , F25B2700/2104
摘要： The present disclosure relates to a heating, ventilating, and air conditioning (HVAC) unit including a first refrigeration circuit having a first compressor and a first condenser, a second refrigeration circuit having a second compressor and a second condenser, a first fan configured to generate airflow over the first condenser, a second fan configured to generate airflow over the second condenser, an evaporator common to the first refrigeration circuit and the second refrigeration circuit, and a controller configured to control operation of the HVAC unit according to an active staging operation of a plurality of staging operations, wherein the plurality of staging operations comprises at least three stages of operation in which each of the first and second compressors individually operates in a selection of at least two compression settings and each of the first and second fans individually operates in a selection of at least two speed settings.
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公开(公告)号：US11867415B2
公开(公告)日：2024-01-09
申请号：US17373486
申请日：2021-07-12
IPC分类号： F24F11/00 , F24F11/36 , F24F1/022 , F24F11/89 , F24F7/007 , F24F11/72 , F24F11/70 , F24F1/0035 , F24F1/0041 , F24F110/65
CPC分类号： F24F11/36 , F24F1/0035 , F24F1/0041 , F24F1/022 , F24F7/007 , F24F11/70 , F24F11/72 , F24F11/89 , F24F2110/65
摘要： The present disclosure relates to a heating, ventilating, and air conditioning (HVAC) system that includes a refrigerant circuit and a sensor configured to measure a refrigerant concentration external to the refrigeration circuit. The HVAC system also includes a controller that is communicatively coupled to the sensor and to an economizer. The controller is configured to control a flow of environmental air into the HVAC system. The controller is further configured to increase a ratio of the flow of environmental air relative to a flow of return air from a conditioned interior space of a building when the sensor measures the refrigerant concentration above a predetermined threshold concentration.
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公开(公告)号：US20210396413A1
公开(公告)日：2021-12-23
申请号：US17373486
申请日：2021-07-12
IPC分类号： F24F11/36 , F24F1/022 , F24F11/89 , F24F7/007 , F24F11/72 , F24F11/70 , F24F1/0035 , F24F1/0041
摘要： The present disclosure relates to a heating, ventilating, and air conditioning (HVAC) system that includes a refrigerant circuit and a sensor configured to measure a refrigerant concentration external to the refrigeration circuit. The HVAC system also includes a controller that is communicatively coupled to the sensor and to an economizer. The controller is configured to control a flow of environmental air into the HVAC system. The controller is further configured to increase a ratio of the flow of environmental air relative to a flow of return air from a conditioned interior space of a building when the sensor measures the refrigerant concentration above a predetermined threshold concentration.
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公开(公告)号：US11060746B2
公开(公告)日：2021-07-13
申请号：US15874630
申请日：2018-01-18
IPC分类号： F24F11/00 , F24F11/36 , F24F1/022 , F24F11/89 , F24F7/007 , F24F11/72 , F24F11/70 , F24F1/0035 , F24F1/0041 , F24F110/65
摘要： The present disclosure relates to a heating, ventilating, and air conditioning (HVAC) system that includes a refrigerant circuit and a sensor configured to measure a refrigerant concentration external to the refrigeration circuit. The HVAC system also includes a controller that is communicatively coupled to the sensor and to an economizer. The controller is configured to control a flow of environmental air into the HVAC system. The controller is further configured to increase a ratio of the flow of environmental air relative to a flow of return air from a conditioned interior space of a building when the sensor measures the refrigerant concentration above a predetermined threshold concentration.
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