Patents Assigned to Johnson Controls Technology Company
  • Publication number: 20190287147
    Abstract: A variable refrigerant flow system for a building includes a plurality of indoor units, a first outdoor unit, an outdoor meter, and a variable refrigerant flow management system. The plurality of indoor units configured to generate activation requests. The first outdoor unit is configured to receive the activation requests and, in response to the activation requests, provide a refrigerant to the plurality of indoor units. The outdoor meter is configured to provide an outdoor unit electricity consumption measurement. The variable refrigerant flow management system is configured to receive the outdoor unit electricity consumption measurement and activation data indicating the activation requests and apportion an outdoor share of the outdoor electricity consumption measurement to each of the plurality of indoor units based on the activation data.
    Type: Application
    Filed: March 13, 2018
    Publication date: September 19, 2019
    Applicant: Johnson Controls Technology Company
    Inventors: Anupam Ajit Ingale, Ankur Thareja, Subrata Bhattacharya, Prasanna Bari, Braja Majumdar, Tousif H. Khan
  • Publication number: 20190286114
    Abstract: Systems and methods for implementing an economic model predictive control (EMPC) strategy in any resource-based system include an EMPC tool. The EMPC tool is configured to present user interfaces to a client device. The EMPC tool is further configured to receive first user input including resources and subplants associated with a central plant. The EMPC tool is also configured to receive second user input including sinks and connections between central plant equipment. The EMPC tool also includes a data model extender configured to extend a data model to define new entities and/or relationships specified by user input. The EMPC tool also includes a high level EMPC algorithm configured to generate an optimization problem and an asset allocator configured to solve the resource optimization problem in order to determine optimal control decisions used to operate the central plant.
    Type: Application
    Filed: March 15, 2018
    Publication date: September 19, 2019
    Applicant: Johnson Controls Technology Company
    Inventors: Andrew J. Przybylski, Michael J. Wenzel, Matthew J. Ellis, Jon T. Mueller
  • Patent number: 10417245
    Abstract: A building management system (BMS) includes building equipment, an eventseries generator, and a storage interface. The building equipment are configured to generate a plurality of data samples. Each of the data samples includes a data value and a timestamp. The eventseries generator is configured to assign a sample state to each data sample based on the data value of the data sample and generate one or more events based on the timestamp of each data sample and the sample state assigned to each data sample. Each of the events includes a start time, an end time, and an event state. The eventseries generator is configured to generate an eventseries including the one or more generated events. The storage interface is configured to store the eventseries in an eventseries database.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: September 17, 2019
    Assignee: Johnson Controls Technology Company
    Inventors: Youngchoon Park, Sudhi R. Sinha, Vijaya S. Chennupati, Vaidhyanathan Venkiteswaran, Erik S. Paulson, Ada L. Ma
  • Patent number: 10417451
    Abstract: A building system for operating a building and managing private building information includes a processing circuit configured to receive a request for information for a building entity of a building entity database. The processing circuit is configured to select one of the mask templates from the entity database based on access values associated with the requesting device and a relational link between the building entity and the mask templates, retrieve private information for the building entity in response to a reception of the request for the information, and generate a masked information data structure based on the private information and the one of the mask templates.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: September 17, 2019
    Assignee: Johnson Controls Technology Company
    Inventors: Youngchoon Park, Sudhi R. Sinha
  • Patent number: 10415848
    Abstract: A heating, ventilation, and air conditioning (HVAC) system includes an enclosure and an evaporator coil disposed within the enclosure. The HVAC system also includes a pivot member coupled between an edge portion of the evaporator coil and the enclosure. The pivot member is configured to enable the evaporator coil to pivot relative to the enclosure to adjust an operating angle of the evaporator coil during operation of the HVAC system. Additionally, the HVAC system includes an actuator configured to enable pivoting of the evaporator coil to a target operating angle based on an operating parameter input.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: September 17, 2019
    Assignee: Johnson Controls Technology Company
    Inventors: Ryan L. Snider, Nicholas P. Mislak, Kevin R. Stockton, Kristen Velez-Diaz, Douglas A. Kester, Stacy S. Lemkelde
  • Patent number: 10419243
    Abstract: A smart gateway device for providing communications between multiple networks associated with a building management system (BMS). The device includes a first network interface circuit in communication with a first network associated with a building management system (BMS). The device further includes a second network interface circuit in communication with a second network associated with a subsystem of the BMS, wherein the second network is not compatible with the first network. The second network interface circuit is configured to detect a physical device associated with the second network, and to receive a data packet associated with the physical device. The data packet is transmitted to the first network interface circuit. The first network interface circuit is configured to receive the data packet and to generate a virtual device based on the received data packet. The virtual device is configured to represent the physical device on the first network.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: September 17, 2019
    Assignee: Johnson Controls Technology Company
    Inventors: Shawn D. Schubert, Donald A. Gottschalk, Daniel M. Curtis
  • Publication number: 20190277530
    Abstract: A controller for controlling an environmental condition of a building via building equipment includes a user interface configured to present information to a user, an air quality sensor configured to sense indoor air quality conditions, a communications interface configured to communicate with a server system and receive outdoor air quality data from the server system, and a processing circuit. The processing circuit is configured to generate indoor air quality data based on the sensed indoor air quality data conditions sensed by the air quality sensor, receive, via the communications interface, the outdoor air quality data from the server system, and generate one or more interfaces indicating the indoor air quality conditions and the outdoor air quality conditions based on the indoor air quality data and the outdoor air quality data and cause the user interface to display the one or more interfaces.
    Type: Application
    Filed: March 4, 2019
    Publication date: September 12, 2019
    Applicant: Johnson Controls Technology Company
    Inventors: Alan S. Schwegler, Joseph R. Ribbich, Maria L. Mejia, Corey A. Poquette, Michael F. Kornacki, Brent T. Ellis, Benjamin W. Hapka
  • Publication number: 20190277525
    Abstract: A HVAC controller includes a housing and one or more heat-generating components contained within the housing. The heat-generating components cause a temperature inside the housing to exceed a temperature outside the housing. The controller includes a temperature sensor configured to measure the temperature inside the housing and a controller event detector configured to detect, for at least one of the heat-generating components, a controller event that generates heat inside the housing. The controller further includes a temperature compensation module configured to identify a steady-state temperature gain associated with the detected controller event, to calculate a temperature offset using a summation of the steady-state temperature gain, to determine the temperature of the building zone outside the housing by subtracting the temperature offset from the temperature measured inside the housing, and to store the temperature offset.
    Type: Application
    Filed: May 29, 2019
    Publication date: September 12, 2019
    Applicant: Johnson Controls Technology Company
    Inventors: Michael J. Ajax, Justin J. Seifi
  • Publication number: 20190277532
    Abstract: An actuator in a HVAC system includes a housing having an interior-facing surface and an exterior-facing surface. The actuator includes magnetic field sensor(s) located within the housing and arranged adjacent to the interior-facing surface. The actuator includes a user input device retaining magnet(s) that are movable into multiple different positions along the exterior-facing surface of the housing. An actuator controller includes a magnet locator that determines a location of the magnet(s) with respect to the magnetic field sensor(s) based on data generated by the magnetic field sensor(s). The actuator controller also includes a settings generator that generates settings for the actuator based on the location of the magnet(s) determined via the magnet locator.
    Type: Application
    Filed: March 6, 2018
    Publication date: September 12, 2019
    Applicant: Johnson Controls Technology Company
    Inventor: Russell T. Jenks
  • Patent number: 10410300
    Abstract: A thermostat for a building space includes a network communication module and a processing circuit. The network communication module is communicatively coupled to at least one of one or more social media servers and one or more calendar servers. The processing circuit is configured to receive at least one of social media activity, social media events, and calendar events associated with a user via the network communication module. The processing circuit is further configured to determine an expected occupancy of the building based on at least one of the social media events and the calendar events. The processing circuit is further configured to adjust a setpoint of the thermostat based on at least one of the expected occupancy and the social media activity.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: September 10, 2019
    Assignee: Johnson Controls Technology Company
    Inventors: Jedidiah O. Bentz, Brian D. Rigg, Theresa N. Gillette, Tom R. Tasker, Tyler McCune, John W. Uerkvitz, Shaun B. Atchison, Daniel S. Middleton, Aneek Muhammad Noor
  • Patent number: 10411984
    Abstract: A system and method of identifying faulted devices in an Ethernet network of a building management system (BMS). The system includes a network manager device, a first client device, and a second client device. A first port of the first client device is connected to a first port of the network manager device, a first port of the second client device is connected to a second port of the first client device and a second port of the second client device is connected to a second port of the network manager device. The network manager device is configured to transmit a frame having a count field. The first client device is configured to increment the count field once based on a successful transmission of the frame to the second client device and increment the count field twice based on a failed transmission to the second client device.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: September 10, 2019
    Assignee: Johnson Controls Technology Company
    Inventor: David E. Hoglund
  • Patent number: 10408473
    Abstract: A multi-circuit refrigeration system includes a first plurality of compressors, a second plurality of compressors, and a control panel. The control panel is configured to receive an input related to humidity from a humidity sensor or humidistat. Based on the input, the control panel is configured to sequence operation of the first plurality of compressors and the second plurality of compressors between a balanced mode and a clustered mode. In the balanced mode, a first compressor of the first plurality of compressors and a first compressor of second plurality of compressors are energized before a second compressor of the first plurality of compressors or a second compressor of the second plurality of compressors is energized. In the clustered mode, the first compressor and the second compressor of the first plurality of compressors are energized before the first compressor or the second compressor of the second plurality of compressors is energized.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: September 10, 2019
    Assignee: Johnson Controls Technology Company
    Inventors: Nathan T. Ostrye, Aron Marc Seiler, Christopher R. Amundson, Tyler Paddock
  • Publication number: 20190271978
    Abstract: An automatic work order generation system for model predictive maintenance (MPM) of building equipment including an MPM system including an equipment controller to operate the building equipment to affect an environmental condition of a building. The MPM system can perform a predictive optimization to determine a service time at which to service the building equipment. The automatic work order generation system includes an equipment service scheduler that can determine whether any service providers are available to perform equipment service within a predetermined time range of the service time. In response to determining that service providers are available to perform the equipment service, the equipment service scheduler can select a service provider and an appointment time based on one or more service provider attributes. The equipment service scheduler can generate a service work order and transmit the service work order to the service provider to schedule a service appointment.
    Type: Application
    Filed: May 21, 2019
    Publication date: September 5, 2019
    Applicant: Johnson Controls Technology Company
    Inventors: Mohammad N. ElBsat, Michael J. Wenzel, Zhigang Wu, Yasutaka Yoshida, Robert D. Turney, Liming Yang
  • Publication number: 20190273671
    Abstract: An asynchronous wireless data transmission system includes a wireless sensor and a data recipient device. The wireless sensor includes a measurement device configured to collect a plurality of samples of a measured variable at a plurality of different sampling times, a transmission generator configured to generate a compressed data object containing the plurality of samples of the measured variable, and a wireless radio configured to transmit the compressed data object at a transmission time asynchronous with at least one of the sampling times. The data recipient device includes an object decompressor configured to extract the plurality of samples of the measured variable from the compressed data object.
    Type: Application
    Filed: May 17, 2019
    Publication date: September 5, 2019
    Applicant: Johnson Controls Technology Company
    Inventors: Carlos Felipe Alcala Perez, Kirk H. Drees
  • Patent number: 10401810
    Abstract: A performance assessment device for evaluating a building management system (BMS). The device includes a communication interface. The communication interface is configured to communicate with a BMS network, the BMS network in communication with the BMS. The device further includes a processing circuit. The processing circuit is configured to receive data related to the BMS via the communication interface. The processing circuit is further configured to evaluate the data related to the BMS to generate a current assessment of the attributes of the BMS, and to compare the current assessment of the attributes of the BMS to a previously determined assessment of the attributes of the BMS.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: September 3, 2019
    Assignee: Johnson Controls Technology Company
    Inventors: Dana A. Guthrie, Shawn D. Schubert, Michael J. Zummo, Jason T. Sawyer
  • Patent number: 10401262
    Abstract: A building management system includes sensors configured to measure a plurality of monitored variables and fault detection and diagnosis (FDD) system configured to identify an operating state associated with the monitored variables. The FDD system includes a communications interface configured to receive samples of the monitored variables from the plurality of sensors. The FDD system includes a direction extractor configured to use locations, in a multidimensional modeling space, of a plurality of stored operating states to extract a direction from each of the stored operating states to each of the other stored operating states. The FDD system includes a fault diagnoser configured to use the extracted directions in a voting-based diagnosis to determine an operating state for each of the samples of the monitored variables.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: September 3, 2019
    Assignee: Johnson Controls Technology Company
    Inventor: Carlos Felipe Alcala Perez
  • Patent number: 10402360
    Abstract: A building management system including a system manager, a zone coordinator, and one or more zone controllers configured to monitor and control building zones. The system manager includes a system bus datalink having an active node table stored therein. The zone coordinator includes a second system bus datalink and a zone bus datalink. A system bus connects the first system bus datalink to the second system bus datalink. A zone bus connects the zone bus datalink to the one or more zone controllers. The active node table includes a plurality of nodes, each node representing a system bus device communicating on the system bus. The system manager is configured to monitor the active node table for new nodes and to identify a new system bus device communicating on the system bus in response to a determination that the active node table includes a new node.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: September 3, 2019
    Assignee: Johnson Controls Technology Company
    Inventors: Jennifer S. Cayemberg, Lisa E. Strand, Ryan J. Bykowski, Daniel R. Gottschalk, Eric W. Hamber
  • Patent number: 10401046
    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.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: September 3, 2019
    Assignee: Johnson Controls Technology Company
    Inventors: John T. Knight, Stephen B. Pickle
  • Patent number: 10401068
    Abstract: Air cooled chillers have auxiliary heat recovery systems that include a heat recovery heat exchanger for transferring heat from a compressed refrigerant to a process fluid. According to certain embodiments, the air cooled chillers also includes a compressor, a condenser, an expansion device, and a controller to govern operations of the expansion device, a fan in the condenser, and other components of the chiller system. The controller may receive signals from temperature and pressure sensors located throughout the chiller system in order to determine a heat recovery load of the heat recovery heat exchanger. The controller may govern operations of the condenser fan and the expansion device according to a low heat recovery mode, an intermediate heat recovery mode, or a full heat recovery mode. In full heat recovery mode, the controller operates the expansion device based on subcooling detected in the heat recovery heat exchanger.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: September 3, 2019
    Assignee: Johnson Controls Technology Company
    Inventors: William L. Kopko, Satheesh Kulankara
  • Patent number: 10401843
    Abstract: A control system is configured to operate a plant to achieve an optimal value for a performance variable of the plant. The system comprise a feedforward controller configured to receive a measurable disturbance to the plant and generate a feedforward contribution to a control input to the plant using the measurable disturbance. The system also comprises an extremum-seeking controller configured to receive the performance variable from the plant and generate an extremum-seeking contribution to the control input to drive the performance variable to the optimal value. The system further comprises a control input element configured to generate the control input by combining the extremum-seeking contribution and the feedforward contribution and provide the control input to the plant.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: September 3, 2019
    Assignee: Johnson Controls Technology Company
    Inventors: John M. House, Timothy I. Salsbury