Patents Assigned to Control Technology
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Patent number: 10802512Abstract: A building management system network interface device is provided. The network interface device includes a processing circuit with a device interface module and a network interface module. The device interface module is communicably coupled to a refrigeration equipment controller and includes an equipment object configured to receive data values and to populate attributes of the equipment object with the data values. The network interface module is communicably coupled to the device interface module and an external network, and is configured to map the attributes of the equipment object to individual data objects and to write the attributes of the equipment object to the mapped individual data objects. The processing circuit is also configured to execute control logic to control the operation of the refrigeration equipment controller based on the data values received from the refrigeration equipment controller and commands received from the external network.Type: GrantFiled: May 1, 2018Date of Patent: October 13, 2020Assignee: Johnson Controls Technology CompanyInventors: Kenneth E. Moore, Dinesh Trikha, Abu Bakr Khan
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Patent number: 10801760Abstract: Systems and methods to control an electronic expansion valve (EEV) of a vapor compression system are described. A heating ventilation, and air conditioning (HVAC) system includes control circuitry having a sensor. The control circuitry sets a control setpoint of a vapor compression system such that an electronic expansion valve operates across a first operating range. The control circuitry receives a signal from the sensor indicative of an operating condition of the vapor compression system. The control circuitry adjusts the control setpoint based at least in part on the operating condition. The control circuitry controls operation of the electronic expansion valve based at least in part on the adjusted control setpoint, wherein the electronic expansion valve operates across a second operating range, different from the first operating range, at the adjusted control setpoint.Type: GrantFiled: July 26, 2017Date of Patent: October 13, 2020Assignee: Johnson Controls Technology CompanyInventors: Shawn A. Hern, Brian D. Rigg, Jeffrey N. Nichols, Robert L. Eskew
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Publication number: 20200318846Abstract: A thermostat for a conditioned space includes a sensor that measures a value of a performance variable of the conditioned space, a user interface that receives a setpoint value from a user and displays information to the user, and a controller. The controller receives values of the performance variable from the sensor over a time period, stores the values of the performance variable, receives the setpoint value from the user interface, and determines a value of a manipulated variable based on the setpoint value and the values of the performance variable. The controller is configured to adjust an operation of HVAC equipment that affect the conditioned space based on the value of the manipulated variable. The controller is configured to determine a smoothed value of the performance variable based on the values of the performance variable and cause the user interface to display the smoothed value.Type: ApplicationFiled: April 5, 2019Publication date: October 8, 2020Applicant: Johnson Controls Technology CompanyInventors: Timothy I. Salsbury, Carlos Felipe Alcala Perez
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Publication number: 20200318842Abstract: A building system for a building includes an environmental controller including a controller radio. The environmental controller is configured to communicate a wake-up message. The building system includes an environmental sensor including a wake-up radio and a main radio. The environmental sensor is configured to operate the main radio in a low power state. The environmental sensor is configured to receive the wake-up message from the controller radio via the wake-up radio. The environmental sensor is configured to operate the main radio in a high power state in response to a reception of the wake-up message via the wake-up radio. The environmental sensor is configured to communicate sensor data of the environmental sensor to the controller radio via the main radio in response to the main radio operating in the high power state.Type: ApplicationFiled: April 2, 2020Publication date: October 8, 2020Applicant: Johnson Controls Technology CompanyInventors: Robert C. Hall, JR., Timothy C. Gamroth, Nicholas J. Schaf
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Publication number: 20200319610Abstract: A system that serves a space includes one or more data sources that provide utilization data describing an actual utilization of the space and circuitry configured to calculate a utilization attribute of the space based on the utilization data and retrieve, from a space profile for the space, a utilization target corresponding to the utilization attribute. The space profile is selected from a plurality of selectable space profiles defining a plurality of target utilizations. The circuitry is also configured to generate a normalized utilization metric for the space by normalizing the utilization attribute relative to the utilization target and generate a recommendation for the space based on the normalized utilization metric.Type: ApplicationFiled: June 22, 2020Publication date: October 8, 2020Applicant: Johnson Controls Technology CompanyInventors: Beth A. Ray, Sheri L. Meyer, Radu M. Dorneanu, Gregory B. Cebasek, Donald A. Gottschalk
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Patent number: 10794252Abstract: A mixer for a vehicle exhaust system includes an outer housing defining an exhaust gas flow path, wherein the outer housing includes an inlet opening and an outlet opening. A distribution pipe is configured to deliver a reduction fluid directly into the exhaust gas flow path. The distribution pipe has an inlet end associated with the inlet opening and an outlet end associated with the outlet opening. The distribution pipe comprises a fluid flow path that is coiled about a center of the exhaust gas flow path.Type: GrantFiled: April 18, 2019Date of Patent: October 6, 2020Assignee: Faurecia Emissions Control Technologies, USA, LLCInventors: Eric Ker, Anthony Burnett
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Patent number: 10794038Abstract: A calibration framework comprises an excavator, a laser distance meter (LDM), and a plurality of laser reflectors. The excavator comprises a chassis, linkage assembly (LA), implement, and control architecture. The control architecture comprises a controller programmed to execute an iterative process at n linkage assembly positions to determine a position of an nth calibration node of the a plurality of nodes of the LA to determine triangular angles and side lengths of an external triangle formed between the nth calibration node and two other nodes having identified positions. The iterative process is repeated n times until triangular angles and side lengths of three external triangles are determined that form an internal triangle. Angles of the internal triangle are determined to generate an implement angle.Type: GrantFiled: June 10, 2019Date of Patent: October 6, 2020Assignee: Caterpillar Trimble Control Technologies LLCInventors: Mark Nicholas Howell, Samuel Joseph Frei
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Patent number: 10797511Abstract: An energy storage system includes a photovoltaic energy field, a stationary energy storage device, an energy converter, and a controller. The photovoltaic energy field converts solar energy into electrical energy and charges the stationary energy storage device with the electrical energy. The energy converter converts the electrical energy stored in the stationary energy storage device into AC power at a discharge rate and supplies a campus with the AC power at the discharge rate. The controller predicts a required load of the campus and an electrical generation of the photovoltaic energy field across a time horizon and optimizes a cost function subject to a set of constraints to determine a discharge rate of the AC power to achieve a desired power factor. At least one of the set of constraints applied to the cost function ensures that the energy converter can convert the electrical energy stored in the stationary energy storage device into AC power having the determined power factor and discharge rate.Type: GrantFiled: September 28, 2018Date of Patent: October 6, 2020Assignee: Johnson Controls Technology CompanyInventors: Michael J. Wenzel, Kirk H. Drees, Camille M. Aucoin
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Patent number: 10798177Abstract: A controller in a building management system (BMS) includes an integrated wireless network processor chip. The integrated wireless network processor chip includes a wireless radio, a processor, and memory. The wireless radio is configured to exchange data communications with one or more BMS devices controlled by the controller. Both the processor and memory are in communication with the wireless radio and located on the same chip as the wireless radio. The memory includes communication stacks configured to facilitate communications using a building automation and control network communications protocol and a Wi-Fi communications protocol. The integrated wireless network processor chip receives data from the BMS devices via the wireless radio, formats the data using the processor, stores the data in the memory, and sends the data via the wireless radio without requiring any additional processing or communications components outside the integrated wireless network processor chip.Type: GrantFiled: November 18, 2019Date of Patent: October 6, 2020Assignee: Johnson Controls Technology CompanyInventors: Christopher Brophy, Kim K. Weller, Daniel R. Gottschalk, Ryan J. Bykowski, Tom Z. Zhuang
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Patent number: 10796554Abstract: An alarm system of a building including memory devices configured to store instructions that cause processors to identify an associated digital standard operating procedure for one or more identified events, identify a responder associated with the standard operating procedure and notify the responder of the standard operating procedure to be conducted within the building in response to the identified events, and monitor the responder conducting the standard operating procedure in response to the identified events. The responder receives a first user interface to a user device indicating an area of the one or more identified events and the standard operating procedure to be conducted, and the responder receives additional including status of the conduction of the standard operating procedure and request for input of data from the responder on the first user interface or a second user interface, the input indicating progression of the standard operating procedure.Type: GrantFiled: September 3, 2019Date of Patent: October 6, 2020Assignee: Johnson Controls Technology CompanyInventors: Paul B. Vincent, Christopher G. Paton, Leon Frans Van Gendt, Monika Hajkova, Carmel Morrissey, Catherine Manning, Federico Falá, Marcel T. Andrade, Nicolae Bogdan Pavel
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Publication number: 20200313924Abstract: A building system for operating a building and managing building information, the building system comprising one or more memory devices configured to store instructions thereon. The instructions causing one or more processors to receive building data from one or more building data sources and generate a space graph based on the building data, wherein the space graph is a graph data structure comprising nodes representing entities and edges between the entities representing relationships between the entities. The instructions cause the one or more processors to ingest data values of the building data into the space graph, the data values associated with the entities, and perform one or more operations with the space graph based on both the relationships of the entities and the ingested data values.Type: ApplicationFiled: June 8, 2020Publication date: October 1, 2020Applicant: Johnson Controls Technology CompanyInventors: Youngchoon Park, Sudhi R. Sinha
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Publication number: 20200313925Abstract: A building automation system includes a plurality of subnets, an active broadcast management device configured on at least one of the subnets, a pool of virtual devices communicably connected to the active broadcast management device, each of the virtual devices in the pool of virtual devices configured to store a broadcast distribution table (BDT), one or more processors, and memory coupled to the one or more processors and storing instructions. When executed by the one or more processors, the instructions cause the one or more processors to transmit a health status message to each available virtual device in the pool of virtual devices, receive a health status response from each of the available virtual devices, and select, according to the health status responses, at least one of the virtual devices from among the available virtual devices as a backup virtual broadcast management device to the active broadcast management device.Type: ApplicationFiled: March 27, 2019Publication date: October 1, 2020Applicant: Johnson Controls Technology CompanyInventors: Japneet Singh, Ishmeet Bhatia, Manu Garg, Vikas Sharma
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Publication number: 20200309142Abstract: A diffuser system for a centrifugal compressor is provided. The diffuser system includes a nozzle base plate (206) that defines a diffuser gap (212), support blocks (216, 246), and a drive ring (220) rotatable relative to the support blocks. The drive ring includes cam tracks (224, 242) and bearing assemblies (226, 234) positioned proximate an outer circumference of the drive ring. The diffuser system further includes drive pins (214) extending through the support blocks and the nozzle base plate. The first end of each drive pin includes a cam follower (218) mounted into a cam track on the drive ring. The second end of each drive pin is coupled to a diffuser ring (208). Rotation of the drive ring causes axial movement of the drive pins by movement of the cam followers in the cam tracks. This results in movement of the diffuser ring to control fluid flow through the diffuser gap.Type: ApplicationFiled: September 21, 2018Publication date: October 1, 2020Applicant: Johnson Controls Technology CompanyInventors: Jordan Q. Steiner, Paul W. Snell
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Patent number: 10788798Abstract: A method includes receiving, by an edge controller, data relating to a first space. The edge controller controls operation of an edge device affecting a characteristic of the first space and that is associated with a first building equipment domain. The method further includes analyzing, by the edge controller, the data to determine whether the data satisfies a condition. If the condition is satisfied, the edge controller controls operation of the edge device using the data. If the condition is not satisfied, the edge controller (a) transmits a request to a cloud controller to analyze the data based on information obtained by the cloud controller regarding at least one of a second space or a second building equipment domain, (b) receives a response to the request from the cloud controller, and (c) controls operation of the edge device using the response from the cloud controller.Type: GrantFiled: January 28, 2019Date of Patent: September 29, 2020Assignee: Johnson Controls Technology CompanyInventors: Sudhi R. Sinha, Youngchoon Park
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Patent number: 10788231Abstract: Presently disclosed is a fault condition management system of a heating, ventilation, and air conditioning (HVAC) system. The system includes a controller having a user interface with a display and a lockout status indicator. The controller is configured to determine that the HVAC system is in a plurality of fault conditions and to individually present, on the display of the user interface, a respective fault code corresponding to each respective fault condition of the plurality of fault conditions in a repeating loop. Each respective fault code is presented for a fault code presentation duration followed by a rest duration. The controller is configured to control illumination of the lockout status indicator during the fault code presentation duration of each respective fault code to indicate a respective lockout status of the corresponding respective fault condition.Type: GrantFiled: March 14, 2018Date of Patent: September 29, 2020Assignee: Johnson Controls Technology CompanyInventors: Shaun B. Atchison, Noel A. Grajeda-Trevizo
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Patent number: 10788229Abstract: A system for securely communicating information in a building management system (BMS) includes a plurality of HVAC devices communicably coupled via a network each HVAC device storing a copy of an HVAC data chain that includes a plurality of blocks linked sequentially. The plurality of HVAC devices includes a first HVAC device including a processing circuit configured to generate a first block comprising device data and send the block to at least a portion of the plurality of HVAC devices. The processing circuit is configured to receive a second block from one of the plurality of HVAC devices and solve the second block. The processing circuit is further configured to add the solved block to the HVAC data chain of the first HVAC device as the newest block and send the solved block to each of the plurality of HVAC devices.Type: GrantFiled: May 10, 2017Date of Patent: September 29, 2020Assignee: Johnson Controls Technology CompanyInventors: Sudhi R. Sinha, Youngchoon Park, Sajjad Pourmohammad
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Patent number: 10787946Abstract: A vehicle exhaust system includes a mixer housing that has a doser opening and defines an internal mixing chamber. A doser injects fluid into the mixer housing through the doser opening. A flow passage has an inlet end positioned adjacent the doser opening and an outlet end open to the mixing chamber. At least one heating device associated with the flow passage.Type: GrantFiled: September 19, 2018Date of Patent: September 29, 2020Assignee: Faurecia Emissions Control Technologies, USA, LLCInventors: John G. Rohde, Madhuri Gandikota
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Publication number: 20200304334Abstract: A building system including one or more memory devices configured to store instructions thereon, the instructions causing one or more processors to receive building data from one or more building data sources, identify, based on the building data, an indirect relationship between a first entity and a second entity of a space graph, the indirect relationship caused by a control algorithm of the space graph, update the space graph with the indirect relationship by causing the space graph to include an indirect relationship edge between a first node of nodes representing the first entity and a second node of the nodes representing the second entity, update the control algorithm of the space graph based on the indirect relationship edge, and operate one or more pieces of building equipment based on the updated control algorithm.Type: ApplicationFiled: June 8, 2020Publication date: September 24, 2020Applicant: Johnson Controls Technology CompanyInventors: Youngchoon Park, Sudhi R. Sinha
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Publication number: 20200301408Abstract: A model predictive maintenance (MPM) system for building equipment includes one or more processing circuits having one or more processors and memory. The memory store instructions that, when executed by the one or more processors, cause the one or more processors to perform operations including estimating a degradation state of the building equipment, using a degradation impact model to predict an amount of one or more input resources consumed by the building equipment to produce one or more output resources based on the degradation state of the building equipment, generating a maintenance schedule for the building equipment based on the amount of the one or more input resources predicted by the degradation impact model, and initiating a maintenance activity for the building equipment in accordance with the maintenance schedule.Type: ApplicationFiled: June 11, 2020Publication date: September 24, 2020Applicant: Johnson Controls Technology CompanyInventors: MOHAMMAD N. ELBSAT, MICHAEL J. WENZEL, ROBERT D. TURNEY
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Patent number: D898074Type: GrantFiled: January 11, 2019Date of Patent: October 6, 2020Assignee: Johnson Controls Technology CompanyInventors: Daniel J. Spors, Brian D. Klarkowski