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公开(公告)号:US20230313989A1
公开(公告)日:2023-10-05
申请号:US17707829
申请日:2022-03-29
Applicant: Johnson Controls Tyco IP Holdings LLP
Inventor: Rakesh Mathew , Andrew Michael Boyd
CPC classification number: F23N5/203 , F23N5/022 , F23N2225/12 , F23N2227/02 , F23N2241/02 , F23N2237/00 , F23N2223/08
Abstract: A heating, ventilation, and/or air conditioning (HVAC) system includes a control system configured to initiate an operating cycle of a furnace of the HVAC system at an initial operating stage in response to a call for heating, monitor a duration of time associated with the operating cycle of the furnace to satisfy the call for heating, adjust the initial operating stage to provide an adjusted initial operating stage of the furnace based on the duration of time, and initiate a subsequent operating cycle of the furnace at the adjusted initial operating stage.
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公开(公告)号:US20240035707A1
公开(公告)日:2024-02-01
申请号:US18227190
申请日:2023-07-27
Applicant: Johnson Controls Tyco IP Holdings LLP
Inventor: Andrew Michael Boyd , Rakesh Mathew , Damion Marcel Taylor Cave
IPC: F24H15/421 , F24D19/10 , F24H15/36 , F24H15/204
CPC classification number: F24H15/421 , F24D19/1084 , F24H15/36 , F24H15/204
Abstract: A furnace system for a heating, ventilation, and air conditioning (HVAC) system includes a furnace controller configured to determine a rolling average furnace run time of the furnace system based on a plurality of previous run cycles of the furnace system. The furnace controller is configured to segment the rolling average furnace run time into a plurality of operational time periods, wherein each operational time period is associated with a distinct fire rate of a plurality of distinct fire rates the furnace system. The furnace controller is also configured to operate the furnace system to sequentially implement the plurality of distinct fire rates associated with the plurality of operational time periods.
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公开(公告)号:US20230400208A1
公开(公告)日:2023-12-14
申请号:US17835675
申请日:2022-06-08
Applicant: Johnson Controls Tyco IP Holdings LLP
Inventor: Mason Sloan DeWald , Andrew Michael Boyd , Theresa Thy Nguyen Gillette , D Gamage Methmini Umayangana Maheshwari Sumanasekara
CPC classification number: F24F11/63 , G05D23/1917 , F25B2500/222
Abstract: A heating, ventilation, and/or air conditioning (HVAC) system includes auxiliary control circuitry configured to communicatively couple to a thermostat of the HVAC system. The auxiliary control circuitry is configured to receive a control signal from the thermostat and block subsequent transmission of the control signal in response to receipt of data indicative of a detected refrigerant external to a refrigerant circuit of the HVAC system.
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公开(公告)号:US20230324070A1
公开(公告)日:2023-10-12
申请号:US18134420
申请日:2023-04-13
Applicant: Johnson Controls Tyco IP Holdings LLP
Inventor: Andrew Michael Boyd , Theresa Thy Nguyen Gillette , D Gamage Methmini Umayangana Maheshwari Sumanasekara , Mason Sloan Dewald
CPC classification number: F24F11/65 , F24F11/49 , F24F2110/10
Abstract: A heating, ventilation, and/or air conditioning (HVAC) system includes secondary control circuitry configured to communicatively couple to primary control circuitry of the HVAC system that is configured to operate the HVAC system in a variable operating mode. The secondary control circuitry is configured to cause operation of the HVAC system in a calibration mode to determine a calibrated target temperature and transmit the calibrated target temperature to the primary control circuitry to enable operation of the HVAC system in the variable operating mode via the primary control circuitry based on the calibrated target temperature.
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公开(公告)号:US11761661B2
公开(公告)日:2023-09-19
申请号:US17541083
申请日:2021-12-02
Applicant: Johnson Controls Tyco IP Holdings LLP
Inventor: Andrew Michael Boyd , Theresa Thy Nguyen Gillette , Mason Sloan Dewald
IPC: F24F11/65 , F24F11/56 , F24F11/80 , F24F110/10
CPC classification number: F24F11/65 , F24F11/56 , F24F11/80 , F24F2110/10
Abstract: A heating, ventilation, and/or air conditioning (HVAC) system includes a conditioning system configured to condition a return air flow directed through the HVAC system and a control system configured to determine a difference value between an operating parameter value of the return air flow and a sensed operating parameter value of a space serviced by the HVAC system, retrieve a stored target operating parameter value of the space, and operate the HVAC system based on the difference value, the stored target operating parameter value, or both.
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公开(公告)号:US12173917B2
公开(公告)日:2024-12-24
申请号:US18134420
申请日:2023-04-13
Applicant: Johnson Controls Tyco IP Holdings LLP
Inventor: Andrew Michael Boyd , Theresa Thy Nguyen Gillette , D Gamage Methmini Umayangana Maheshwari Sumanasekara , Mason Sloan Dewald
IPC: F24F11/65 , F24F11/49 , F24F110/10
Abstract: A heating, ventilation, and/or air conditioning (HVAC) system includes secondary control circuitry configured to communicatively couple to primary control circuitry of the HVAC system that is configured to operate the HVAC system in a variable operating mode. The secondary control circuitry is configured to cause operation of the HVAC system in a calibration mode to determine a calibrated target temperature and transmit the calibrated target temperature to the primary control circuitry to enable operation of the HVAC system in the variable operating mode via the primary control circuitry based on the calibrated target temperature.
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公开(公告)号:US20240200839A1
公开(公告)日:2024-06-20
申请号:US18539082
申请日:2023-12-13
Applicant: Johnson Controls Tyco IP Holdings LLP
Inventor: Andrew Leroy Hjortland , Jeremy Ryan Smith , Andrew Michael Boyd
CPC classification number: F25B41/31 , F25B13/00 , F25B2400/13 , F25B2600/2513
Abstract: An energy efficient heat pump includes a working fluid circuit configured to circulate a working fluid, where the working fluid circuit includes a compressor, a first heat exchanger, a second heat exchanger, a first expansion device, an economizer, and a reversing valve, where the reversing valve is configured to adjust a flow direction of the working fluid through the working fluid circuit. The energy efficient heat pump also includes a first conduit of the working fluid circuit, where the first conduit extends between the first heat exchanger and the second heat exchanger, the economizer is disposed along the first conduit, and the first conduit is configured to direct the working fluid between the first heat exchanger and the second heat exchanger and through the economizer. The energy efficient heat pump further includes an injection conduit extending from the first conduit to an injection port of the compressor, where the injection conduit includes a second expansion device, and the injection conduit is configured to direct a portion of the working fluid from the working fluid circuit, through the second expansion device, through the economizer, and to the injection port of the compressor to inject of the portion of the working fluid into the compressor.
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公开(公告)号:US11761630B2
公开(公告)日:2023-09-19
申请号:US17512471
申请日:2021-10-27
Applicant: Johnson Controls Tyco IP Holdings LLP
Inventor: Madhuka Manuranga Jayarathne , Andrew Michael Boyd
CPC classification number: F23N5/242 , F23N5/16 , F23N2223/08 , F23N2231/20 , F23N2241/02
Abstract: A furnace system of a heating, ventilation, and/or air conditioning (HVAC) system includes a burner assembly having a burner enclosure configured to receive a fuel for ignition to generate heated combustion byproducts. The furnace system also includes a controller configured to detect a value associated with a wave signal transmitted through the burner enclosure and operate the furnace system based on a comparison between the value and a threshold value.
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公开(公告)号:US20230175724A1
公开(公告)日:2023-06-08
申请号:US17541083
申请日:2021-12-02
Applicant: Johnson Controls Tyco IP Holdings LLP
Inventor: Andrew Michael Boyd , Theresa Thy Nguyen Gillette , Mason Sloan Dewald
CPC classification number: F24F11/65 , F24F11/56 , F24F2110/10
Abstract: A heating, ventilation, and/or air conditioning (HVAC) system includes a conditioning system configured to condition a return air flow directed through the HVAC system and a control system configured to determine a difference value between an operating parameter value of the return air flow and a sensed operating parameter value of a space serviced by the HVAC system, retrieve a stored target operating parameter value of the space, and operate the HVAC system based on the difference value, the stored target operating parameter value, or both.
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公开(公告)号:US20240003567A1
公开(公告)日:2024-01-04
申请号:US18369590
申请日:2023-09-18
Applicant: Johnson Controls Tyco IP Holdings LLP
Inventor: Madhuka Manuranga JAYARATHNE , Thomas D. Chase , Theresa N. Gillette , Andrew Michael Boyd
CPC classification number: F24F11/39 , F24F2110/10 , B01D46/0086
Abstract: A system faults to a return air sensor integrated within a heating, ventilation, and air conditioning (HVAC) unit. The system transmits a signal to a remote sensor. The system determines that a return signal is not received from the remote sensor. The system obtains a temperature reading from the return air sensor. The system determines whether the temperature reading satisfies a temperature setting stored in the memory. In response to determining that the temperature reading does not satisfy the temperature setting, the system enables heating or cooling of the HVAC unit until the temperature setting is satisfied. In response to determining that the temperature reading satisfies the temperature setting, the system disables heating or cooling of the HVAC unit.
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