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    HVAC system design and operational tool for building infection control
    142.
    发明授权
    HVAC system design and operational tool for building infection control 有权

    公开(公告)号：US11131473B2

    公开(公告)日：2021-09-28

    申请号：US16927766

    申请日：2020-07-13

    Applicant: Johnson Controls Technology Company

    Inventor： Michael J. Risbeck ,  Kirk H. Drees ,  Jonathan D. Douglas

    IPC: F24F11/47 ,  F24F11/52 ,  F24F8/10 ,  G06F30/20 ,  G05B15/02 ,  G05B19/04 ,  F24F11/64 ,  F24F140/60 ,  F24F110/10 ,  F24F110/20 ,  F24F120/20 ,  F24F8/22

    Abstract: A heating, ventilation, or air conditioning system (HVAC) design and operational tool includes one or more processors and memory storing instructions that, when executed by the one or more processors, cause the one or more processors to perform operations including obtaining a dynamic temperature model and a dynamic infectious quanta model for one or more building zones, determining an infection probability, and performing a plurality of simulations for a plurality of different equipment configurations using the dynamic temperature model, the dynamic infectious quanta model, and the infection probability to generate results. The operations include generating, using the results of the plurality of simulations, at least one of design including one or more recommended design parameters data or operational data including one or more recommended operational parameters for the HVAC system and initiating an automated action using at least one of the design data or the operational data.

    Modular cutoff for a blower housing
    143.
    发明授权
    Modular cutoff for a blower housing 有权

    公开(公告)号：US11131320B2

    公开(公告)日：2021-09-28

    申请号：US16421195

    申请日：2019-05-23

    Applicant: Johnson Controls Technology Company

    Inventor： Elton D. Ray ,  Bennie D. Hoyt ,  Paul J. Lucas ,  Jeffrey A. Leritz ,  Jordan R. Jensen

    IPC: F04D29/46 ,  F28F13/06 ,  F04D1/00

    Abstract: A centrifugal blower includes a centrifugal fan having a fan wheel that is configured to rotate about a rotational axis. The centrifugal blower includes a blower housing having a first side panel, a second side panel, and a wall extending about the rotational axis and between the first and second side panels. The centrifugal blower also includes a cutoff plate that is configured to extend about the rotational axis, where the cutoff plate includes a first end with a flange having a camber geometry and a second end that is configured to overlap with the wall such that an amount of overlap between the second end and the wall is adjustable to adjust a position of the flange relative to the fan wheel. The centrifugal blower further includes an exhaust port defined by the first side panel, the second side panel, the wall, and the flange.

    SYSTEM AND METHOD FOR DETERMINING AND PREDICTING VULNERABILITY OF BUILDING MANAGEMENT SYSTEMS
    144.
    发明申请
    SYSTEM AND METHOD FOR DETERMINING AND PREDICTING VULNERABILITY OF BUILDING MANAGEMENT SYSTEMS 有权

    公开(公告)号：US20210294317A1

    公开(公告)日：2021-09-23

    申请号：US17204381

    申请日：2021-03-17

    Applicant: Johnson Controls Technology Company

    Inventor： Nidhi Sharma ,  Anantharaman Iyer

    IPC: G05B23/02 ,  G05B15/02 ,  G16Y30/10

    Abstract: A system for predicting the vulnerability of a building management system (BMS) includes one or more memory devices configured to store instructions that, when executed on one or more processors, cause the one or more processors to establish a first communication link to a first data source and receive a first data using a communication module communicatively coupled to the processor. The first data includes information related to at least one of a plurality of IoT-enabled devices. The system is further configured to generate a historical record composed of a plurality of received data feeds received from a plurality of data feeds at unanticipated time intervals and analyze at least one of the plurality of data feeds with at least one or more of: the first data, the historical record, and another of the plurality of data feeds to predict the vulnerability of the BMS.

    ZONE AIR FLOW RATE ADJUSTMENT FOR AN HVAC SYSTEM
    145.
    发明申请
    ZONE AIR FLOW RATE ADJUSTMENT FOR AN HVAC SYSTEM 有权

    公开(公告)号：US20210293435A1

    公开(公告)日：2021-09-23

    申请号：US16827043

    申请日：2020-03-23

    Applicant: Johnson Controls Technology Company

    Inventor： Shaun B. Atchison

    IPC: F24F11/49 ,  F24F3/044 ,  F24F11/64 ,  F24F11/65 ,  F24F11/72 ,  F24F11/77 ,  F24F11/79 ,  F24F13/02 ,  G05B15/02

    Abstract: A heating, ventilation, and/or air conditioning (HVAC) system includes processing circuitry configured to receive a plurality of air flow rates, in which each air flow rate of the plurality of air flow rates is associated with a zone of a plurality of zones of the HVAC system, determine a sum of the plurality of air flow rates is outside of a threshold range around a total output air flow rate, and, in response to determining the sum of the plurality of air flow rates is outside of the threshold range around the total output air flow rate, adjust an air flow rate of the plurality of air flow rates based on a comparison between the sum of the plurality of air flow rates and the total output air flow rate.

    Systems and methods for transitioning between a cooling operating mode and a reheat operating mode
    146.
    发明授权
    Systems and methods for transitioning between a cooling operating mode and a reheat operating mode 有权

    公开(公告)号：US11125449B2

    公开(公告)日：2021-09-21

    申请号：US16370208

    申请日：2019-03-29

    Applicant: Johnson Controls Technology Company

    Inventor： Norman J. Blanton ,  Stephen C. Wilson ,  Paul S. Willmus ,  Bradford G. Briley

    IPC: F24F3/153 ,  F24F11/00

    Abstract: A heating, ventilation, and/or air conditioning (HVAC) system, includes a cooling circuit, a reheat circuit, and a control system. The cooling circuit includes a condenser, a compressor, an evaporator, and a multi-directional valve, and the HVAC system is configured to circulate refrigerant through the cooling circuit in a cooling operating mode. The reheat circuit includes a reheat heat exchanger, the compressor, the evaporator, and the multi-directional valve, and the HVAC system is configured to circulate refrigerant through the reheat circuit in a reheat operating mode. The control system is configured to execute a switch between the cooling operating mode and the reheat operating mode by sending a signal to the multi-directional valve to adjust from a first position to a second position, interrupting a voltage provided to the compressor at a first time, and restoring application of the voltage to the compressor at a second time that is subsequent to the first time.

    Systems and methods for creating and using equipment definitions
    150.
    发明授权
    Systems and methods for creating and using equipment definitions 有权

    公开(公告)号：US11119459B2

    公开(公告)日：2021-09-14

    申请号：US16733135

    申请日：2020-01-02

    Applicant: Johnson Controls Technology Company

    Inventor： Ryan A. Piaskowski ,  Michael E. Wagner ,  Daniel J. Sonnemann ,  Jeffrey Taylor ,  Corey A. Poquette

    IPC: G05B15/02 ,  H04L12/28

    Abstract: Systems and methods for creating and using equipment definitions are provided. An archetypal device used to identify one or more data points associated with the archetypal device. A point definition is generated for each identified data point associated with the archetypal device. Each point definition includes an abstraction of a text string extracted from the corresponding data point that is applicable to multiple different devices of the same type of building equipment. The generated point definitions are used to create an equipment definition for a type of building equipment. The equipment definition can be used to identify data points associated with other devices of the same type of building equipment and to automatically create equipment objects representing such devices.

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