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公开(公告)号：US11248786B2
公开(公告)日：2022-02-15
申请号：US16728548
申请日：2019-12-27
发明人： Douglas W. Karkow , Joseph Colannino , James K. Dansie , Jesse Dumas , Donald Kendrick , Christopher A. Wiklof
摘要： A method for a combustion system includes outputting fuel from an adjustable-position fuel nozzle onto a perforated flame holder, the fuel being directed for mixture with an oxidant en route to the perforated flame holder. A combustion reaction of the fuel and the oxidant is supported within the perforated flame holder. A position of the adjustable-position fuel nozzle may be changed relative to the flame holder. A first flow of fuel may be output when the adjustable position fuel nozzle is in an extended state, and a second flow of fuel may be output when the adjustable-position fuel nozzle is in a retracted state.
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公开(公告)号：US12007301B2
公开(公告)日：2024-06-11
申请号：US17135517
申请日：2020-12-28
CPC分类号： G01M15/14 , F23D11/406 , F23D14/145 , F23N1/022 , F23N5/022 , F23N5/123 , F23N5/184 , G01N33/0027 , G01N33/0062 , G01N33/0073 , F23D2208/10 , F23D2212/103 , F23N2237/26
摘要： A system for measuring a fuel-oxidant equivalence ratio includes at least one wall defining a gas volume including fuel and air. A gas ionization source is configured to cause a formation of ions in the gas. A power supply is configured to output a time-varying voltage. A first electrode is disposed in the gas volume, operatively coupled to the power supply, and configured to carry the time-varying voltage. A second electrode is arranged to operatively couple to a signal output by the first electrode after the signal passes through the gas volume. Characteristics of the received signal indicate the fuel-oxidant equivalence ratio.
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公开(公告)号：US11435143B2
公开(公告)日：2022-09-06
申请号：US16166509
申请日：2018-10-22
摘要： A combustion system includes a fuel and oxidant source and a flame holder. The flame holder includes a plurality of discrete slats arranged in parallel defining combustion channels between adjacent slats. The fuel and oxidant source outputs fuel and oxidant into the combustion channels. The flame holder holds a combustion reaction of the fuel and oxidant in the combustion channels.
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公开(公告)号：US12066248B2
公开(公告)日：2024-08-20
申请号：US17014589
申请日：2020-09-08
发明人： Douglas W. Karkow , James K. Dansie , Venkatesh Iyer , Donald Kendrick , Colin James Deller , Christopher A. Wiklof
CPC分类号： F27B17/0016 , F23C5/08 , F23D11/406 , F23D14/145 , F23D14/70 , F23D14/72 , F23C2900/05081 , F23Q9/00 , F27D2001/0059
摘要： A combustion system includes a fuel and oxidant source, a first distal flame holder body, a second distal flame holder body, and a thermal load. The fuel and oxidant source outputs fuel and oxidant. The first and second distal flame holder bodies simultaneously or alternately hold combustion reaction portions of the fuel and oxidant and/or of combustion products. The thermal load receives thermal energy from the first and second combustion reaction portions.
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公开(公告)号：US11953201B2
公开(公告)日：2024-04-09
申请号：US16746743
申请日：2020-01-17
摘要： A combustion system includes a distal flame holder, a pilot fuel distributor, a main fuel distributor, an oxidant source, an array of sensors, and a controller. The oxidant source outputs an oxidant. The pilot fuel distributor supports a pilot flame configured to preheat the distal flame holder by outputting a pilot fuel at least when the combustion system is in a preheating state. The main fuel source outputs a main fuel in the standard operating state. The distal flame holder is configured to support a combustion reaction of the main fuel and the oxidant in the standard operating state. The sensors are configured to sense parameters of the pilot flame and the distal flame holder and to output sensor signals to the controller. The controller executes software instructions that include adjusting the flow of the main fuel, the pilot fuel, and the oxidant responsive to the sensor signals.
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公开(公告)号：US11953199B2
公开(公告)日：2024-04-09
申请号：US17658248
申请日：2022-04-06
发明人： James K. Dansie , Douglas W. Karkow , Jesse Dumas , Donald Kendrick , Sunny Karnani , Christopher A. Wiklof
CPC分类号： F23D11/406 , F23D14/14 , F23D14/145 , F23D14/70 , F23M9/06 , F23C2203/10 , F23C2203/20 , F23D2203/102 , F23D2203/104 , Y02E20/30
摘要： A combustion system includes a fuel and oxidant source that outputs fuel and oxidant, a first perforated flame holder, and a second perforated flame holder separated from the first perforated flame holder by a gap. The first and second perforated flame holders sustain a combustion reaction of the fuel and oxidant within the first and second perforated flame holders.
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公开(公告)号：US11073280B2
公开(公告)日：2021-07-27
申请号：US16296623
申请日：2019-03-08
摘要： A burner system and a retrofit flame control system for an existing burner system are disclosed. The burner system may include burner components, electrodynamic components, and a data interface. The data interface may receive a command for controlling the burner components and prepare a command for controlling the electrodynamic components at least partially based on the command for controlling the burner components.
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公开(公告)号：US10823401B2
公开(公告)日：2020-11-03
申请号：US16137339
申请日：2018-09-20
IPC分类号： F23D14/14
摘要： A combustion system such as a furnace or boiler includes a non-planar perforated flame holder configured to hold a combustion reaction.
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公开(公告)号：US10801723B2
公开(公告)日：2020-10-13
申请号：US15549957
申请日：2016-02-16
摘要： Embodiments disclosed herein are directed to devices and methods for improving operation of a combustion system. According to various embodiments disclosed herein, a prefabricated integrated combustion assembly is disclosed that may be installed into a combustion chamber of a combustion system. The combustion system may be a new combustion system that is being manufactured or a conventional combustion system that is being retrofitted.
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公开(公告)号：US12050151B2
公开(公告)日：2024-07-30
申请号：US17135884
申请日：2020-12-28
CPC分类号： G01M15/14 , F23D11/406 , F23D14/145 , F23N1/022 , F23N5/022 , F23N5/123 , F23N5/184 , G01N33/0027 , G01N33/0062 , G01N33/0073 , F23D2208/10 , F23D2212/103 , F23N2237/26
摘要： A burner includes a flame sensor configured to detect at least one of permittivity, capacitance, or resistance across a flame region. The permittivity, capacitance, or resistance is used to determine the presence or absence of the flame in a combustion system. A combustion system supports a combustion reaction. The combustion system utilizes a combustion sensor, and optionally a plasma generator to stabilize the combustion reaction. A controller receives sensor signals from the combustion sensor and controls the plasma generator to stabilize the combustion reaction responsive to the sensor signals. The plasma generator stabilizes the combustion reaction by generating a plasma.
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