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公开(公告)号：US09803855B2
公开(公告)日：2017-10-31
申请号：US14763293
申请日：2014-02-14
Applicant: ClearSign Combustion Corporation
Inventor： Douglas W. Karkow , Igor A. Krichtafovich , Joseph Colannino , Christopher A. Wiklof
IPC: F23C99/00 , F23D14/14 , F23D14/20 , F23D14/74 , F23D14/70 , F23D14/84 , F23D23/00 , F23C5/08 , F23M5/02
CPC classification number: F23D14/14 , F23C5/08 , F23C99/001 , F23C2200/00 , F23D14/20 , F23D14/70 , F23D14/74 , F23D14/84 , F23D23/00 , F23M5/025 , F23N2037/02
Abstract: A burner supporting primary and secondary combustion reactions may include a primary combustion reaction actuator configured to select a location of the secondary combustion reaction. A burner may include a lifted flame holder structure configured to support a secondary combustion reaction above a partial premixing region. The secondary flame support location may be selected as a function of a turndown parameter. Selection logic may be of arbitrary complexity.
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12.发明授权公开(公告)号：US09791171B2
公开(公告)日：2017-10-17
申请号：US14811764
申请日：2015-07-28
Applicant: ClearSign Combustion Corporation
Inventor： Douglas W. Karkow , Joseph Colannino
CPC classification number: F24H9/2035 , F23C3/004 , F23N5/006 , F23N2025/08 , F23N2900/05001 , F23N2900/05002 , F23N2900/05003 , F24H1/186 , F24H1/205
Abstract: A water heater includes a water tank having an inlet and an outlet, and a flue extending through the tank. A nozzle is positioned near a first end of the flue, arranged so as to emit a fuel stream into the flue, and a flame holder is located within the flue in a position to receive the fuel stream and to hold a flame entirely within the flue. A controller variably controls a flow of fuel to the nozzle according to a temperature of water in the tank.
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13.发明授权公开(公告)号：US09562682B2
公开(公告)日：2017-02-07
申请号：US14741098
申请日：2015-06-16
Applicant: ClearSign Combustion Corporation
Inventor： Douglas W. Karkow , Robert Breidenthal , Joseph Colannino , Christopher A. Wiklof
IPC: F23C6/04 , F23C99/00 , F23N5/26 , F27D11/06 , F23D14/24 , F23D14/84 , F23N5/00 , F23N1/00 , F23D14/02 , F23D14/74 , F23D14/14 , F23D11/44 , F23D11/02 , F23D11/38 , F23D11/40 , F23L7/00 , F23C9/06 , F23D14/26 , F23N1/02 , F23D11/42
CPC classification number: F23C99/001 , F23C6/042 , F23C9/06 , F23C2201/00 , F23C2900/00 , F23D11/02 , F23D11/38 , F23D11/383 , F23D11/406 , F23D11/42 , F23D11/446 , F23D11/448 , F23D14/02 , F23D14/14 , F23D14/145 , F23D14/24 , F23D14/26 , F23D14/74 , F23D14/84 , F23D2203/1012 , F23D2203/102 , F23D2203/1023 , F23D2203/104 , F23D2203/105 , F23D2207/00 , F23D2208/10 , F23L7/007 , F23N1/00 , F23N1/002 , F23N1/02 , F23N5/00 , F23N5/10 , F23N5/265 , F23N2021/00 , F23N2027/22 , F23N2900/00 , F27D11/06 , Y02T50/677
Abstract: A combustion system outputs fuel gas from a plurality of fuel ejectors toward a forward end of a burner wall and preheats a perforated flame holder by sustaining combustion reaction of the fuel gas at combustion zone between the burner wall and a perforated flame holder. The combustion system then outputs fuel gas from the fuel ejectors onto the perforated flame holder and sustains a combustion reaction of the fuel gas within the perforated flame holder.
Abstract translation: 燃烧系统从多个燃料喷射器向燃烧器壁的前端输出燃料气体，并通过在燃烧器壁和穿孔火焰保持器之间的燃烧区域处维持燃料气体的燃烧反应来预热穿孔火焰保持器。 燃烧系统然后将燃料气体从燃料喷射器输出到穿孔火焰支架上，并维持燃烧气体在多孔火焰保持器内的燃烧反应。
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公开(公告)号：US09377190B2
公开(公告)日：2016-06-28
申请号：US14741131
申请日：2015-06-16
Applicant: ClearSign Combustion Corporation
Inventor： Douglas W. Karkow , Joseph Colannino , Igor A. Krichtafovitch , Christopher A. Wiklof
IPC: F23C99/00 , F23N5/26 , F27D11/06 , F23D14/24 , F23D14/84 , F23N5/00 , F23N1/00 , F23D14/02 , F23D14/74 , F23D14/14 , F23D11/44 , F23D11/02 , F23D11/38 , F23D11/40 , F23L7/00 , F23C6/04 , F23C9/06 , F23D14/26 , F23N1/02
CPC classification number: F23C99/001 , F23C6/042 , F23C9/06 , F23C2201/00 , F23C2900/00 , F23D11/02 , F23D11/38 , F23D11/383 , F23D11/406 , F23D11/42 , F23D11/446 , F23D11/448 , F23D14/02 , F23D14/14 , F23D14/145 , F23D14/24 , F23D14/26 , F23D14/74 , F23D14/84 , F23D2203/1012 , F23D2203/102 , F23D2203/1023 , F23D2203/104 , F23D2203/105 , F23D2207/00 , F23D2208/10 , F23L7/007 , F23N1/00 , F23N1/002 , F23N1/02 , F23N5/00 , F23N5/10 , F23N5/265 , F23N2021/00 , F23N2027/22 , F23N2900/00 , F27D11/06 , Y02T50/677
Abstract: According to an embodiment, a combustion system is provided, which includes a nozzle configured to emit a diverging fuel flow, a flame holder positioned in the path of the fuel flow and that includes a plurality of apertures extending therethrough, and a preheat mechanism configured to heat the flame to a temperature exceeding a startup temperature threshold.
Abstract translation: 根据实施例，提供了一种燃烧系统，其包括构造成发射发散燃料流的喷嘴，位于燃料流的路径中的火焰保持器，并且包括多个穿过其延伸的孔以及预热机构，其构造成 将火焰加热到超过启动温度阈值的温度。
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公开(公告)号：US11313553B2
公开(公告)日：2022-04-26
申请号：US16033854
申请日：2018-07-12
Applicant: ClearSign Combustion Corporation
Inventor： James K. Dansie , Douglas W. Karkow , Jesse Dumas , Donald Kendrick , Sunny Karnani , Christopher A. Wiklof
Abstract: 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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Patent Agency Ranking
公开(公告)号：US10808927B2
公开(公告)日：2020-10-20
申请号：US15091906
申请日：2016-04-06
Applicant: ClearSign Combustion Corporation
Inventor： Douglas W. Karkow , Joseph Colannino , Robert E. Breidenthal , Christopher A. Wiklof
IPC: F23C5/00 , F23D14/02 , F23D14/26 , F23C9/06 , F23N1/02 , F23N5/00 , F23D14/82 , F23C6/04 , F23D14/14 , F23D14/62
Abstract: A combustion system such as a furnace or boiler includes a perforated reaction holder configured to hold a combustion reaction that produces very low oxides of nitrogen (NOx).
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公开(公告)号：US10571124B2
公开(公告)日：2020-02-25
申请号：US15720899
申请日：2017-09-29
Applicant: CLEARSIGN COMBUSTION CORPORATION
Inventor： Douglas W. Karkow , James K. Dansie , Jesse Dumas , Donald Kendrick , Igor A. Krichtafovitch , Joseph Colannino , Christopher A. Wiklof
Abstract: A burner supporting primary and secondary combustion reactions may include a primary combustion reaction actuator configured to select a location of the secondary combustion reaction. A burner may include a perforated flame holder structure configured to support a secondary combustion reaction above a partial premixing region. The secondary flame support location may be selected as a function of a turndown parameter. Selection logic may be of arbitrary complexity.
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公开(公告)号：US10539326B2
公开(公告)日：2020-01-21
申请号：US15667565
申请日：2017-08-02
Applicant: CLEARSIGN COMBUSTION CORPORATION
Inventor： Douglas W. Karkow , Robert E. Breidenthal , Joseph Colannino , Christopher A. Wiklof
Abstract: A combustion system includes a perforated reaction holder having perforations defined to compensate for a non-uniform velocity of fuel and/or oxidant received across an input face of the perforated reaction holder.
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公开(公告)号：US10386062B2
公开(公告)日：2019-08-20
申请号：US15235634
申请日：2016-08-12
Applicant: CLEARSIGN COMBUSTION CORPORATION
Inventor： Douglas W. Karkow , Joseph Colannino , Christopher A. Wiklof
Abstract: A method for operating a combustion system includes outputting fuel and oxidant from a fuel and oxidant source onto a perforated flame holder. The method further includes sustaining a combustion reaction of the fuel and oxidant within the perforated flame holder.
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公开(公告)号：US10190767B2
公开(公告)日：2019-01-29
申请号：US14772033
申请日：2014-03-27
Applicant: ClearSign Combustion Corporation
Inventor： Douglas W. Karkow , Christopher A. Wiklof
Abstract: A combustion fluid flow barrier includes an aperture to control combustion fluid flow. The combustion fluid is charged by a charge generator. The combustion fluid flow barrier includes at least one flow control electrode operatively coupled to the aperture and configured to selectively allow, attract, or resist passage of the charged combustion fluid through the aperture, depending on voltage applied to the flow control electrode.
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