Patents Assigned to Control Technology
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Patent number: 10823032Abstract: An automotive vehicle includes an exhaust aftertreatment system. The exhaust aftertreatment system includes a mixer, a doser that injects a reducing agent into the mixer, and a selective catalytic reduction unit. The exhaust aftertreatment system mixes exhaust gases and the reducing agent for treatment prior to the exhaust gases being discharged into the atmosphere. Some components of the exhaust aftertreatment system are positioned proximate to an associated combustion engine to minimize thermal energy loss from the exhaust gases prior to interaction with the exhaust aftertreatment system.Type: GrantFiled: October 31, 2018Date of Patent: November 3, 2020Assignee: Faurecia Emissions Control Technologies, USA, LLCInventors: Robin H. Willats, Adam Mathews, John Rohde, Alfred N. Tucker
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Patent number: 10823440Abstract: A control system for an HVAC system. The control system includes a user interface configured to present information to a user and receive inputs from the user. A processor is configured to cause the processor to receive one or more system parameters associated with HVAC system components. The processor is further configured to determine if a maintenance operation is required in response to receiving the one or more system parameters, and to display to the user via the user interface an indication that a maintenance operation is required. The processor is also configured to receive an instruction from the user to initiate the maintenance operation, and to display one or more operational conditions required to be satisfied prior to the maintenance operations being performed. The HVAC components are monitored to determine if the operational conditions are completed, and maintenance instructions are displayed in response to the operational conditions being completed.Type: GrantFiled: June 22, 2017Date of Patent: November 3, 2020Assignee: Johnson Controls Technology CompanyInventors: Theresa N. Gillette, Jedidiah O. Bentz, Shaun B. Atchison, John W. Uerkvitz, Brian D. Rigg, Shawn A. Hern, Tom R. Tasker, Tyler McCune, Aneek Muhammad Noor
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Publication number: 20200341434Abstract: Disclosed herein are related to a system, a method, and a non-transitory computer readable medium for operating an energy plant having a plurality of subplants that operate to produce one or more resources consumed by a building based on ranks. In one aspect, the system obtains rank identifiers indicating ranks of the plurality of subplants. In one aspect, the ranks indicate a priority of each subplant with respect to production of a resource relative to other subplants that produce the resource. In one aspect, the system determines resource allocation of the plurality of subplants according to the ranks of the plurality of subplants. The system may operate the plurality of subplants according to the resource allocation.Type: ApplicationFiled: April 25, 2019Publication date: October 29, 2020Applicant: Johnson Controls Technology CompanyInventors: Ryan C. Beaty, Graeme Willmott, Jared W. Fread, Shawn A. Schlagenhaft
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Patent number: 10816079Abstract: A gear train is contained within the housing of an actuator, is coupled to a movable component outside the housing, and includes a first gear and a second gear. A bend shaft is fixed to an internal surface of the housing and supports the first and second gears. The bend shaft includes a lower portion, a crosspiece, and an upper portion. The lower portion has a first end coupled to the housing and a second end offset from the first end, and extends from the first end to the second end along a first direction. The crosspiece is oriented orthogonal to the first direction and extends from the second end of the lower portion. The upper portion has a third end coupled to the crosspiece and a fourth end offset from the third end, and extends from the third end to the fourth end along the first direction.Type: GrantFiled: February 19, 2018Date of Patent: October 27, 2020Assignee: Johnson Controls Technology CompanyInventors: Madan Kumar Kamala Kannan, Ujjain Kumar Bidila, Umamaheshwararao Karukola
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Patent number: 10816236Abstract: Embodiments of the present disclosure relate to a climate management system that includes a condensate pan configured to collect condensate from a first heat exchanger of the climate management system, a pump fluidly coupled to the condensate pan, and a nozzle fluidly coupled to the pump, wherein the nozzle is configured to receive the condensate from the pump and direct the condensate toward an airflow across a second heat exchanger of the climate management system.Type: GrantFiled: June 5, 2018Date of Patent: October 27, 2020Assignee: Johnson Controls Technology CompanyInventors: Daniel V. Winders, Neelkanth S. Gupte, Vilas G. Pawanarkar, Kirankumar A. Muley
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Patent number: 10816234Abstract: An HVAC system within a building including an HVAC device having an air filter, a number of sensors, and a control device. The control device has a processor that is configured to determine a current air quality metric based on air quality measurements received by the sensor. The control device is further configured to calculate an average air quality metric based on the current air quality metric and a set of previous air quality metrics. The control device is further configured to store the average air quality metric. The control device is further configured to generate an air filter type recommendation based on the average air quality metric.Type: GrantFiled: April 12, 2018Date of Patent: October 27, 2020Assignee: Johnson Controls Technology CompanyInventors: Michael J. Ajax, Joseph R. Ribbich
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Patent number: 10816247Abstract: A heating ventilation and air conditioning (HVAC) control system. The HVAC control system includes a sensor that detects a refrigerant released from an HVAC system and emits a signal indicative of the detection. The HVAC control system also includes a switch that blocks a flow of electricity to an enclosed space and a controller that receives the signal from the sensor and activates the switch to block the flow of electricity in response to detection of the refrigerant.Type: GrantFiled: January 25, 2018Date of Patent: October 27, 2020Assignee: Johnson Controls Technology CompanyInventor: William F. McQuade
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Patent number: 10816235Abstract: A building energy system includes HVAC equipment, green energy generation, a battery, and a predictive controller. The HVAC equipment provide heating or cooling for a building. The green energy generation collect green energy from a green energy source. The battery stores electric energy including at least a portion of the green energy provided by the green energy generation and grid energy purchased from an energy grid and discharges the stored electric energy for use in powering the HVAC equipment. The predictive controller generates a constraint that defines a total energy consumption of the HVAC equipment at each time step of an optimization period as a summation of multiple source-specific energy components and optimizes the predictive cost function subject to the constraint to determine values for each of the source-specific energy components at each time step of the optimization period.Type: GrantFiled: April 26, 2018Date of Patent: October 27, 2020Assignee: Johnson Controls Technology CompanyInventors: Robert D. Turney, Nishith R. Patel
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Publication number: 20200333751Abstract: A self-configuring controller includes one or more processors and one or more non-transitory machine readable media storing instructions. When executed by the one or more processors, the instructions cause the one or more processors to receive an output signal from a controlled system or device representative of an operation of the controlled system or device in response to a first perturbed control input perturbed using a first dither signal, estimate a bandwidth of the controlled system or device based on the output signal and the first dither signal, perturb a second control input using a second dither signal based on the bandwidth of the controlled system or device to generate a second perturbed control input, and transmit the second perturbed control input to the controlled system or device.Type: ApplicationFiled: June 26, 2020Publication date: October 22, 2020Applicant: Johnson Controls Technology CompanyInventors: Timothy I. Salsbury, John M. House
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Patent number: 10808958Abstract: A thermostat includes a housing, a touch-sensitive display configured to display visual media and receive user inputs, and processing electronics configured to operate the touch-sensitive display. The housing includes a base and a display mount. The base includes a top wall, a bottom wall, a front wall connecting the top wall to the bottom wall, a first side wall connecting the top wall to the bottom wall, and a second side wall connecting the top wall to the bottom wall. The top wall, the bottom wall, the first side wall, and the second side wall define an internal volume. The display mount is cantilevered away from the top wall and includes a mounting surface. The display is attached to the mounting surface. The processing electronics are positioned within the interior volume.Type: GrantFiled: April 24, 2018Date of Patent: October 20, 2020Assignee: Johnson Controls Technology CompanyInventors: Joseph R. Ribbich, Vinosh C. Diptee, Julio A. Abdala, Claudio Santiago Ribeiro, Charles J. Gaidish, Michael F. Kornacki, John P. Cipolla, Sudhi Sinha, Michael L. Ribbich
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Patent number: 10809682Abstract: A building management system includes a plurality of meters configured to provide data samples of a plurality of points relating to a building and a space hierarchy database configured to store a sibling relationship for each of the points. Each sibling relationship identifies two or more of the points as sibling points. The building management system includes a batch metrics engine configured to receive a first data sample of a first point, access the sibling relationship for the first point to identify one or more sibling points of the first point, aggregate the first data sample with data samples of the sibling points to generate a batch, and calculate an aggregate metric using the first data sample and the other data samples in the batch. The building management system also includes a controller configured to adjust an operation of building equipment based on the aggregate metric.Type: GrantFiled: August 1, 2018Date of Patent: October 20, 2020Assignee: Johnson Controls Technology CompanyInventors: Jayesh Shirish Patil, Sujit Fulse, Rajesh C. Nayak
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Patent number: 10812005Abstract: Embodiments of the present disclosure relate to a heating, ventilating, air conditioning, and refrigeration (HVAC&R) system that includes a variable speed drive (VSD) configured to supply power to a motor configured to drive a compressor of the HVAC&R system, a rectifier of the VSD configured to receive alternating current (AC) power from an AC power source and convert the AC power to direct current (DC) power, a DC bus of the VSD electrically coupled to the rectifier, an inverter of the VSD electrically coupled to the DC bus, where the inverter is configured to convert the DC power to output AC power, the output AC power has a variable voltage and a variable frequency, and the output AC power is directed to the motor, and a battery electrically coupled to the DC bus, where the battery is configured to provide auxiliary DC power to the VSD.Type: GrantFiled: October 5, 2017Date of Patent: October 20, 2020Assignee: Johnson Controls Technology CompanyInventors: William L. Kopko, Israel Federman, Jay A. Kohler, Ivan Jadric
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Patent number: 10809676Abstract: A heating, ventilation, or air conditioning (HVAC) system for a building includes indoor subsystems, a high-level controller, and low-level controllers. Each indoor subsystem includes one or more indoor units configured to provide heating or cooling to one or more building spaces. The high-level controller generates a plurality of indoor subsystem energy targets, each indoor subsystem energy target corresponding to one of the plurality of indoor subsystems and generated based on a thermal capacitance of one or more building spaces to which heating or cooling is provided by the corresponding indoor subsystem. Each low-level indoor controller corresponds to one of the indoor subsystems and generates indoor setpoints for the one or more indoor units of the corresponding indoor subsystem using the indoor subsystem energy target for the corresponding indoor subsystem and operates the one or more indoor units of the corresponding indoor subsystem using the indoor setpoints.Type: GrantFiled: October 14, 2019Date of Patent: October 20, 2020Assignee: Johnson Controls Technology CompanyInventors: Nishith R. Patel, Matthew J. Ellis, Michael J. Wenzel, Robert D. Turney, Brett M. Lenhardt
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Patent number: 10809705Abstract: A central plant control system configured to serve one or more energy loads in a building comprises equipment configured to consume, produce, or store one or more resources including electricity, water, natural gas, steam, hot thermal energy, cold thermal energy, or electrical energy. The central plant control system further comprises an asset allocator configured to receive an input model that describes a physical layout of the equipment of the central plant and create a net list that defines connections between the equipment of the central plant using the input model. The asset allocator is further configured to discover one or more systems of interconnected equipment and one or more groups of equipment using the net list, formulate an optimization problem for the central plant using the systems and groups of equipment, and operate the equipment of the central plant according to the optimization problem.Type: GrantFiled: August 31, 2018Date of Patent: October 20, 2020Assignee: Johnson Controls Technology CompanyInventor: Andrew J. Przybylski
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Patent number: 10808963Abstract: A sensor device including a housing and a number of sensors. The housing includes a back plate including a mounting surface, a middle plate attached to the back plate, and a face plate attached to the middle plate, wherein the face plate is formed from a clear material and has a back surface and a front surface with the back surface positioned toward the middle plate and wherein a design is applied to the back surface of the face plate and is visible through the front surface of the face plate. The housing defines an interior housing volume and the number of sensors is positioned within the interior housing volume.Type: GrantFiled: January 11, 2019Date of Patent: October 20, 2020Assignee: Johnson Controls Technology CompanyInventors: Daniel J. Spors, Daniel R. Hjortland
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Patent number: 10808950Abstract: A heating, ventilating, and air conditioning (HVAC) unit includes a filter track assembly that includes a bulkhead frame, a first rail configured to support a first air filter, and a second rail configured to support a second air filter. The first rail and the second rail are coupled to the bulkhead frame, and the first rail and the second rail are disposed on opposing sides of the bulkhead frame.Type: GrantFiled: April 23, 2018Date of Patent: October 20, 2020Assignee: Johnson Controls Technology CompanyInventors: Vinay Nanjappa, Nitin C. Dabade, Vishal S. Jagtap, Prashanti S. Dhawan, Marcel P. Ferrere, Rajiv K. Karkhanis, Curtis W. Caskey
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Patent number: 10809675Abstract: A building HVAC system includes an airside system having a plurality of airside subsystems, a high-level controller, and a plurality of low-level airside controllers. Each airside subsystem includes airside HVAC equipment configured to provide heating or cooling to one or more building spaces. The high-level controller is configured to generate a plurality of airside subsystem energy targets, each airside subsystem energy target corresponding to one of the plurality of airside subsystems and generated based on a thermal capacitance of the one or more building spaces to which heating or cooling is provided by the corresponding airside subsystem. Each low-level airside controller corresponds to one of the airside subsystems and is configured to control the airside HVAC equipment of the corresponding airside subsystem in accordance with the airside subsystem energy target for the corresponding airside subsystem.Type: GrantFiled: October 14, 2019Date of Patent: October 20, 2020Assignee: Johnson Controls Technology CompanyInventors: Nishith R. Patel, Robert D. Turney, Matthew J. Ellis
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Publication number: 20200326676Abstract: A self-optimizing controller for equipment of a plant provides a manipulated variable as an input to the plant and receives an output variable as feedback. The controller generates a performance variable model defining the performance variable as a function of the manipulated variable and an output variable model defining the output variable as a function of the manipulated variable. The controller uses the performance variable model to determine a gradient of the performance variable, uses the output variable model to determine a gradient of the output variable, and generates a self-optimizing variable based on the gradient of the performance variable model and the gradient of the output variable model. The controller operates the equipment of the plant to affect a variable state or condition of the building based on the value of the self-optimizing variable from the self-optimizing variable model.Type: ApplicationFiled: April 11, 2019Publication date: October 15, 2020Applicant: Johnson Controls Technology CompanyInventors: Carlos Felipe Alcala Perez, Timothy I. Salsbury, John M. House
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Publication number: 20200326677Abstract: A sensory communication device for a building space includes a housing, a plug structure attached to the housing, insertable into an electrical outlet to receive power from the electrical outlet, and capable of supporting the housing when inserted into the electrical outlet, sensors located partially within the housing and capable of measuring environmental variables within a building space, a wireless radio that transmits measurements of the environmental variables, and electrical outlets located on an external surface of the housing and electrically connected to the plug structure to provide power to external devices.Type: ApplicationFiled: April 11, 2019Publication date: October 15, 2020Applicant: Johnson Controls Technology CompanyInventors: TIMOTHY C. GAMROTH, JOSEPH PICCOLO, III, AVICHAL CHUM
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BUILDING MANAGEMENT SYSTEM WITH SELF-OPTIMIZING CONTROL, PERFORMANCE MONITORING, AND FAULT DETECTION
Publication number: 20200326666Abstract: A building management system includes building equipment configured to operate in accordance with an input to alter a variable state or condition of a building, a feedback controller configured to generate the input as a function of a measured state of the building equipment, and an analytics circuit. The analytics circuit is configured to obtain and store a dataset comprising the measured state and the input for a plurality of time steps, determine, based on at least a portion of the dataset, a self-optimizing control function that defines a self-optimizing control variable as a function of the measured state, calculate a value of the self-optimizing control variable using the self-optimizing control function and the measured state, monitor the value of the self-optimizing control variable over time, and generate an indication of performance of the building equipment relative to optimal performance based on the value of the self-optimizing control variable.Type: ApplicationFiled: April 9, 2019Publication date: October 15, 2020Applicant: Johnson Controls Technology CompanyInventors: Timothy I. Salsbury, Carlos Felipe Alcala Perez, John M. House