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公开(公告)号：US12060994B2
公开(公告)日：2024-08-13
申请号：US18377678
申请日：2023-10-06
发明人： Harshal Manik Pawar
CPC分类号： F23Q23/10 , F23N5/242 , F23N5/265 , F24H9/2071 , F23N2231/12
摘要： Exemplary embodiments are disclosed of controls including circuit assemblies configured for determining igniter, inducer relay, and igniter relay faults. In exemplary embodiments, a control for a system includes an input configured to receive a control signal, an inducer relay, an igniter relay, and a circuit assembly. The circuit assembly is configured to be coupled to the inducer relay, the igniter relay, and an igniter of the system. The circuit assembly comprises a plurality of diodes and is configured to enable detection of and distinguishing between a failure of the igniter, a failure of the inducer relay, and a failure of the igniter relay as determined by a waveform of the control signal at the input of the control for a given one of a plurality of operational states of the control.
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公开(公告)号：US11719436B2
公开(公告)日：2023-08-08
申请号：US16276527
申请日：2019-02-14
申请人： Ademco Inc.
发明人： Brent Chian , Bruce L. Hill , Timothy J Nordberg , Rolf L. Strand , Douglas Bird , Peter Anderson
CPC分类号： F23N5/265 , F23C9/00 , F23N5/203 , F23N5/242 , F23Q9/00 , F23N2227/02 , F23N2229/00 , F23N2231/02 , F23N2231/08 , F23N2231/12
摘要： A locally powered intermittent pilot combustion controller may include an igniter, a thermal electric and/or photoelectric device that produces an electrical signal having power when exposed to a flame, and a local power source for providing power when the thermal electric and/or photoelectric device is not exposed to a flame. In some cases, the intermittent pilot combustion controller may include a memory for storing information about an ignition sequence for igniting a pilot flame, and a controller coupled to the memory. The controller may be configured to initiate the ignition sequence of the pilot flame using information stored in the memory, determine whether the ignition was successful by monitoring the electrical signal produced by the thermal electric and/or photoelectric device, and adjust the information stored in the memory based on whether the ignition sequence completed successfully.
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公开(公告)号：US11781752B2
公开(公告)日：2023-10-10
申请号：US17356061
申请日：2021-06-23
申请人： Emerson Electric Co.
发明人： Harshal Manik Pawar
CPC分类号： F23Q23/10 , F23N5/242 , F23N5/265 , F24H9/2071 , F23N2231/12
摘要： Exemplary embodiments are disclosed of controls including circuit assemblies configured for determining igniter, inducer relay, and igniter relay faults. In exemplary embodiments, a control for a system includes an input configured to receive a control signal, an inducer relay, an igniter relay, and a circuit assembly. The circuit assembly is configured to be coupled to the inducer relay, the igniter relay, and an igniter of the system. The circuit assembly comprises a plurality of diodes and is configured to enable detection of and distinguishing between a failure of the igniter, a failure of the inducer relay, and a failure of the igniter relay as determined by a waveform of the control signal at the input of the control for a given one of a plurality of operational states of the control.
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公开(公告)号：US20230143249A1
公开(公告)日：2023-05-11
申请号：US17521441
申请日：2021-11-08
IPC分类号： F23N5/24
CPC分类号： F23N5/245 , F23N2225/16 , F23N2227/02 , F23N2231/12
摘要： A furnace heating device is provided for the heating a furnace chamber, comprising:
at least one radiant tube, configured to heat the furnace chamber and which can be heated using a burner, which can be operated in a first operating mode with a flame and in a second operating mode with flameless combustion, a burner control device, configured to control on and off states and operating mode setting for the burner of the radiant tube, wherein said burner control device is configured to determine when a temperature (T) of the furnace chamber lies above a critical temperature (Tk), which must at least be present in a combustion chamber for safe operation of flameless combustion, wherein there is a single safety monitor for monitoring the temperature within said furnace chamber and communicating said temperature to said burner control device and wherein said burner control device is configured to send a signal to not send a signal to start said flameless combustion when it is determined that said temperature (T) of the furnace chamber is above the critical temperature and a cooling process or a purging process or a control device switch on procedure has occurred.-
公开(公告)号：US20240328621A1
公开(公告)日：2024-10-03
申请号：US18579207
申请日：2022-07-11
申请人： PITTWAY SARL
发明人： Wim Munsterhuis , Andreas Kammerahl , Gerrit Jan Baarda , Clemens Metker , Martin Petersmann , Anton Quatmann , Ulrich Oldehus , Sebastian Schengber
CPC分类号： F23N5/242 , F23N1/022 , F23N2231/12 , F23N2235/16
摘要： Method for operating a gas burner appliance (10). the gas burner appliance (10) comprising: a combustion chamber (11) in which a defined gas/air mixture is combusted. a mixing device (23) to provide said gas/air mixture. a gas safety valve unit (19) assigned to the gas duct (16) to open or close the gas duct (16) having a first gas safety valve (19a) and a second gas safety valve (19b) positioned downstream of the first gas safety valve (19a). a gas flow modulator (18) assigned to the gas duct (16), an electrical or electronic absolute pressure sensor (21) positioned downstream of the first gas safety valve (19a). wherein the gas burner appliance (10) goes into lockout state if a defined number of burner-start-ups of the gas burner appliance (10) failed. namely did not result into a combustion, and wherein the gas burner appliance (10) is operated by executing the following steps to provide an electrical or electronic pressure-switch functionality: Before each burner-start-up of the gas burner appliance (10) measuring a first absolute pressure by the absolute pressure sensor (21) when the first gas safety valve (19a) is closed. During each burner-start-up of the gas burner appliance (10) measuring a second absolute pressure by the absolute pressure sensor (21) when the first gas safety valve (19a) is opened, determining a pressure difference between the first and second absolute pressure, and comparing the pressure difference with a threshold. A lockout of gas burner appliance (10) is allowed or prevented on basis of the comparison of the pressure difference with the threshold.
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公开(公告)号：US12055291B2
公开(公告)日：2024-08-06
申请号：US17396099
申请日：2021-08-06
申请人： RINNAI CORPORATION
发明人： Masaru Takeuchi
CPC分类号： F23N1/022 , F23N5/203 , F23N2227/02 , F23N2231/12
摘要： A controller memorizes an accumulated combustion time by accumulating combustion time of a burner, and is set in a first lower-limit and a second lower-limit higher than the first lower-limit as a lower-limit lower than an initial value of an excess air ratio when reducing an excess air limit of a mixture gas of combustion air and a fuel gas, and the former is the lower-limit in case the accumulated combustion time is under a predetermined set time and the latter is the one in case the accumulated combustion time is the predetermined set time and over.
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7.发明公开公开(公告)号：US20240044491A1
公开(公告)日：2024-02-08
申请号：US18377678
申请日：2023-10-06
发明人： Harshal Manik PAWAR
CPC分类号： F23Q23/10 , F24H9/2071 , F23N5/265 , F23N5/242 , F23N2231/12
摘要： Exemplary embodiments are disclosed of controls including circuit assemblies configured for determining igniter, inducer relay, and igniter relay faults. In exemplary embodiments, a control for a system includes an input configured to receive a control signal, an inducer relay, an igniter relay, and a circuit assembly. The circuit assembly is configured to be coupled to the inducer relay, the igniter relay, and an igniter of the system. The circuit assembly comprises a plurality of diodes and is configured to enable detection of and distinguishing between a failure of the igniter, a failure of the inducer relay, and a failure of the igniter relay as determined by a waveform of the control signal at the input of the control for a given one of a plurality of operational states of the control.
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