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    HVAC UNIT WITH HOT GAS REHEAT
    11.
    发明申请
    HVAC UNIT WITH HOT GAS REHEAT 审中-公开
    暖通空调与热气回收

    公开(公告)号：US20160216025A1

    公开(公告)日：2016-07-28

    申请号：US15089122

    申请日：2016-04-01

    Applicant: Johnson Controls Technology Company

    Inventor： Norman J. Blanton ,  Stephen C. Wilson ,  Stephen B. Pickle

    IPC: F25D17/06 ,  F25B7/00

    CPC classification number: F24F3/153 ,  F24F3/044 ,  F24F11/30 ,  F24F11/61 ,  F24F11/63 ,  F24F11/64 ,  F24F11/65 ,  F24F11/77 ,  F24F11/84 ,  F24F13/20 ,  F24F2001/0066 ,  F24F2001/0077 ,  F24F2110/10 ,  F24F2110/20 ,  F24F2140/12 ,  F24F2221/183 ,  F24F2221/54 ,  F25B5/02 ,  F25B7/00 ,  F25B41/04 ,  F25B47/022 ,  F25B2600/0271 ,  F25B2600/111 ,  F25D17/06 ,  Y02B30/743

    Abstract: The present disclosure is directed to a single compressor HVAC system with hot gas reheat. The system includes a single compressor, a pair of condensers, a reheat heat exchanger, an evaporator, and an expansion device. Within the system, the refrigerant exiting the compressor is separated into two portions. In the cooling mode, the first and second portions of the refrigerant are directed from the compressor through the two condensers in parallel. In the reheat mode, the first portion of the refrigerant is directed through the first condenser, while the second portion of the refrigerant is directed through the reheat heat exchanger. The system also may include a head pressure control device that is designed to maintain the compressor discharge pressure within a desired range by adjusting the condenser fan speed.

    Abstract translation: 本公开涉及具有热气体再热的单个压缩机HVAC系统。 该系统包括单个压缩机，一对冷凝器，再热换热器，蒸发器和膨胀装置。 在系统内，离开压缩机的制冷剂分成两部分。 在冷却模式中，制冷剂的第一和第二部分平行地从压缩机通过两个冷凝器。 在再热模式中，制冷剂的第一部分被引导通过第一冷凝器，而制冷剂的第二部分被引导通过再热换热器。 该系统还可以包括头压力控制装置，其被设计成通过调节冷凝器风扇速度将压缩机排出压力维持在期望范围内。

    Indoor and outdoor units for an HVAC system
    14.
    发明授权
    Indoor and outdoor units for an HVAC system 有权

    公开(公告)号：US10401046B2

    公开(公告)日：2019-09-03

    申请号：US15666805

    申请日：2017-08-02

    Applicant: Johnson Controls Technology Company

    Inventor： John T. Knight ,  Stephen B. Pickle

    IPC: F24F11/77 ,  F24F13/20 ,  F24F11/30 ,  F24F11/62 ,  F24F11/79 ,  F24F1/0059 ,  F24F1/14 ,  F24F11/74 ,  F24F140/50 ,  F24F11/46

    Abstract: A heating, ventilating, and air conditioning (HVAC) system includes a compressor configured to circulate a fluid through the HVAC system, a first coil configured to establish a first heat exchange relationship between the fluid and a first airflow across the first coil, a second coil configured to establish a second heat exchange relationship between the fluid and a second airflow across the second coil, and a fan configured to direct the first airflow across the first coil, the second airflow across the second coil, or both, and where the first airflow across the first coil is directed to be isolated from the second airflow across the second coil, and the first airflow is blocked from flowing across the first coil when the first coil is inactive and the second airflow is blocked from flowing across the second coil when the second coil is inactive.

    SYSTEMS AND METHODS FOR REHEAT CONTROL OF AN HVAC SYSTEM
    18.
    发明申请
    SYSTEMS AND METHODS FOR REHEAT CONTROL OF AN HVAC SYSTEM 审中-公开

    公开(公告)号：US20200370765A1

    公开(公告)日：2020-11-26

    申请号：US16513499

    申请日：2019-07-16

    Applicant: Johnson Controls Technology Company

    Inventor： John T. Knight ,  Stephen B. Pickle ,  Norman J. Blanton ,  Kerry L. Shumway

    IPC: F24F3/052

    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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