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公开(公告)号：US20230087675A1
公开(公告)日：2023-03-23
申请号：US17892956
申请日：2022-08-22
Applicant: Johnson Controls Tyco IP Holdings LLP
Inventor： John T. Knight , Stephen B. Pickle , Norman J. Blanton , Kerry L. Shumway
Abstract: A heating, ventilation, and/or air conditioning (HVAC) unit includes a first sensor disposed adjacent to an inlet of an evaporator configured to receive an airflow. The HVAC unit includes a second sensor disposed adjacent to an outlet of a reheat coil positioned downstream of the evaporator and configured to expel the airflow. The HVAC unit also includes a controller configured to regulate operation of a modulating reheat valve to adjust flow of a working fluid in thermal communication with the airflow to control a difference between a measurement of the first sensor and a measurement of the second sensor.
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Patent Agency Ranking
公开(公告)号：US20240230177A9
公开(公告)日：2024-07-11
申请号：US18372580
申请日：2023-09-25
Applicant: Johnson Controls Tyco IP Holdings LLP
Inventor： John T. Knight , Stephen B. Pickle , Norman J. Blanton , Kerry L. Shumway
CPC classification number: F25B41/20 , F24F3/0525 , F24F3/153 , F24F11/84
Abstract: A heating, ventilation, and/or air conditioning (HVAC) unit includes a first sensor disposed adjacent to an inlet of an evaporator configured to receive an airflow. The HVAC unit includes a second sensor disposed adjacent to an outlet of a reheat coil positioned downstream of the evaporator and configured to expel the airflow. The HVAC unit also includes a controller configured to regulate operation of a modulating reheat valve to adjust flow of a working fluid in thermal communication with the airflow to control a difference between a measurement of the first sensor and a measurement of the second sensor.
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公开(公告)号：US12013140B2
公开(公告)日：2024-06-18
申请号：US17943454
申请日：2022-09-13
Applicant: Johnson Controls Tyco IP Holdings LLP
Inventor： Stephen B. Pickle , John T. Knight
IPC: F24F11/30 , F24F3/044 , F24F3/153 , F24F5/00 , F24F11/00 , F24F11/54 , F24F11/56 , F24F11/86 , F25B5/02 , F25B6/02 , F25B41/20
CPC classification number: F24F11/86 , F24F3/044 , F24F3/153 , F24F5/001 , F24F11/0008 , F24F11/30 , F24F11/54 , F24F11/56 , F25B5/02 , F25B6/02 , F25B41/20
Abstract: A system for modulating hot gas reheat operation of a heating, ventilation, and/or air conditioning (HVAC) system with multiple compressors, wherein the HVAC system is configured to regulate air provided to multiple zones. The system includes a controller configured to respond to a call for dehumidification in the absence of a call for cooling by sequentially energizing a first compressor of the multiple compressors in a reheat mode of the first compressor, energizing a second compressor of the multiple compressors in a cooling mode of the second compressor, energizing a third compressor of the multiple compressors in a reheat mode of the third compressor initially at full capacity, and energizing a fourth compressor of the multiple compressors in a cooling mode of the fourth compressor.
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公开(公告)号：US20240133596A1
公开(公告)日：2024-04-25
申请号：US18372580
申请日：2023-09-24
Applicant: Johnson Controls Tyco IP Holdings LLP
Inventor： John T. Knight , Stephen B. Pickle , Norman J. Blanton , Kerry L. Shumway
CPC classification number: F25B41/20 , F24F3/0525 , F24F3/153 , F24F11/84
Abstract: A heating, ventilation, and/or air conditioning (HVAC) unit includes a first sensor disposed adjacent to an inlet of an evaporator configured to receive an airflow. The HVAC unit includes a second sensor disposed adjacent to an outlet of a reheat coil positioned downstream of the evaporator and configured to expel the airflow. The HVAC unit also includes a controller configured to regulate operation of a modulating reheat valve to adjust flow of a working fluid in thermal communication with the airflow to control a difference between a measurement of the first sensor and a measurement of the second sensor.
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公开(公告)号：US11768020B2
公开(公告)日：2023-09-26
申请号：US17892956
申请日：2022-08-22
Applicant: Johnson Controls Tyco IP Holdings LLP
Inventor： John T. Knight , Stephen B. Pickle , Norman J. Blanton , Kerry L Shumway
CPC classification number: F25B41/20 , F24F3/0525 , F24F3/153 , F24F11/84 , F25B2600/25 , F25B2700/00
Abstract: A heating, ventilation, and/or air conditioning (HVAC) unit includes a first sensor disposed adjacent to an inlet of an evaporator configured to receive an airflow. The HVAC unit includes a second sensor disposed adjacent to an outlet of a reheat coil positioned downstream of the evaporator and configured to expel the airflow. The HVAC unit also includes a controller configured to regulate operation of a modulating reheat valve to adjust flow of a working fluid in thermal communication with the airflow to control a difference between a measurement of the first sensor and a measurement of the second sensor.
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公开(公告)号：US20230003415A1
公开(公告)日：2023-01-05
申请号：US17943454
申请日：2022-09-13
Applicant: Johnson Controls Tyco IP Holdings LLP
Inventor： Stephen B. Pickle , John T. Knight
IPC: F24F11/86 , F24F3/153 , F24F11/54 , F25B41/20 , F24F3/044 , F24F11/56 , F24F5/00 , F25B5/02 , F25B6/02 , F24F11/00 , F24F11/30
Abstract: A system for modulating hot gas reheat operation of a heating, ventilation, and/or air conditioning (HVAC) system with multiple compressors, wherein the HVAC system is configured to regulate air provided to multiple zones. The system includes a controller configured to respond to a call for dehumidification in the absence of a call for cooling by sequentially energizing a first compressor of the multiple compressors in a reheat mode of the first compressor, energizing a second compressor of the multiple compressors in a cooling mode of the second compressor, energizing a third compressor of the multiple compressors in a reheat mode of the third compressor initially at full capacity, and energizing a fourth compressor of the multiple compressors in a cooling mode of the fourth compressor.
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