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    Reduced length valve assembly with ultrasonic flow sensor
    91.
    发明授权
    Reduced length valve assembly with ultrasonic flow sensor 有权

    公开(公告)号：US11359950B2

    公开(公告)日：2022-06-14

    申请号：US16709542

    申请日：2019-12-10

    Applicant: Johnson Controls Technology Company

    Inventor： Homero L. Noboa ,  Camille M. Aucoin ,  Kirk H. Drees

    IPC: G01F1/66 ,  G01F1/667 ,  G05D7/06 ,  G05D23/19

    Abstract: A system for controlling a flow rate of a fluid through a valve includes a controller. The controller is configured to receive a raw flow rate measurement from a flow rate sensor assembly configured to measure the flow rate. The controller is further configured to apply a flow rate measurement filter to the raw flow rate measurement to generate a filtered flow rate measurement. The controller is further configured to control actuation of an actuator configured to change the flow rate using the filtered flow rate measurement. The controller is configured to automatically adjust the flow rate measurement filter in response to detecting an event that causes stoppage of the actuation of the actuator.

    Subcooling system with thermal energy storage
    95.
    发明授权
    Subcooling system with thermal energy storage 有权

    公开(公告)号：US11320183B2

    公开(公告)日：2022-05-03

    申请号：US16102491

    申请日：2018-08-13

    Applicant: Johnson Controls Technology Company

    Inventor： William L. Kopko

    IPC: F25B40/02 ,  F25B7/00 ,  F28D20/00 ,  F25B25/00 ,  F28D21/00

    Abstract: Embodiments of the present disclosure are directed toward systems and method for cooling a refrigerant flow of a refrigerant circuit with a cold cooling fluid flow from a thermal storage unit to generate a warm cooling fluid flow, thermally isolating the cold cooling fluid flow and the warm cooling fluid flow in the thermal storage unit, and cooling the warm cooling fluid flow from the thermal storage unit in a chiller system to at least partially produce the cold cooling fluid flow.

    Modulating reheat operation of HVAC system with multiple condenser coils
    97.
    发明授权
    Modulating reheat operation of HVAC system with multiple condenser coils 有权

    公开(公告)号：US11313600B2

    公开(公告)日：2022-04-26

    申请号：US16595136

    申请日：2019-10-07

    Applicant: Johnson Controls Technology Company

    Inventor： Norman J. Blanton ,  Zhiwei Huang

    IPC: F25B49/02 ,  F25B39/04 ,  F25B13/00

    Abstract: A heating, ventilation, and/or air conditioning (HVAC) unit includes a refrigerant circuit including a reheat coil and a condenser system, a first valve disposed along the refrigerant circuit and configured to modulate refrigerant flow to the reheat coil and to the condenser system, and a second valve disposed along the refrigerant circuit downstream of the first valve relative to a direction of the refrigerant flow through the refrigerant circuit. The condenser system includes a first condenser coil and a second condenser coil, and the second valve is configured to be actuated to control refrigerant flow to the second condenser coil.

    BUILDING MANAGEMENT SYSTEM WITH SEMANTIC MODEL INTEGRATION
    99.
    发明申请
    BUILDING MANAGEMENT SYSTEM WITH SEMANTIC MODEL INTEGRATION 有权

    公开(公告)号：US20220100802A1

    公开(公告)日：2022-03-31

    申请号：US17039364

    申请日：2020-09-30

    Applicant: Johnson Controls Technology Company

    Inventor： Kunal Saini ,  Gerald A. Asp ,  Matthew T. Trawicki ,  Craig A. Lind

    IPC: G06F16/9035 ,  G06F16/906 ,  G06F16/9038 ,  G06F3/0484

    Abstract: A building management system (BMS) includes memory devices having instructions stored thereon that, when executed by processors, cause the processors to perform operations including obtaining a BMS ontology data model defining a plurality of BMS model classes and relationships between the BMS model classes, obtaining a plurality of BMS object definitions including equipment definitions defining a plurality of different types of equipment and point definitions defining a plurality of different types of points, assigning a BMS model class selected from the plurality of BMS model classes to each of the plurality of BMS object definitions, generating a semantic site model by classifying a plurality of BMS objects associated with a building site according to the BMS object definitions and the BMS model classes assigned thereto, and controlling building equipment using the semantic site model.

    Building management system with control framework
    100.
    发明授权
    Building management system with control framework 有权

    公开(公告)号：US11283669B1

    公开(公告)日：2022-03-22

    申请号：US17013194

    申请日：2020-09-04

    Applicant: Johnson Controls Technology Company

    Inventor： Andrew J. Przybylski ,  John H. Burroughs ,  Michael J. Wenzel

    IPC: H04L12/24 ,  G16Y40/35 ,  G06Q50/06 ,  H04L41/00 ,  G16Y10/80 ,  G16Y20/30 ,  G16Y20/10 ,  G06F30/18

    Abstract: A method for automatically commissioning and operating an HVAC system to serve energy loads of a building site is shown. The method includes querying site information describing the building site to identify physical equipment and relationships between the physical equipment. The method further includes constructing an asset allocator model, the asset allocator model indicating connections between the physical equipment and resources produced or consumed by the physical equipment. The method further includes generating a mapping between points of the physical equipment at the building site and corresponding variables of the asset allocator model. The method further includes using the asset allocator model to generate values of one or more control variables of the asset allocator model. The method further includes adjusting an operation of the physical equipment by triggering software elements to automatically push updated values of the control variables to corresponding points of the physical equipment.

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