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    FLAME HOLDERS WITH FUEL AND OXIDANT RECIRCULATION, COMBUSTION SYSTEMS INCLUDING SUCH FLAME HOLDERS, AND RELATED METHODS
    11.
    发明申请
    FLAME HOLDERS WITH FUEL AND OXIDANT RECIRCULATION, COMBUSTION SYSTEMS INCLUDING SUCH FLAME HOLDERS, AND RELATED METHODS 审中-公开
    具有燃料和氧化物回收的燃烧器，包括这种火焰保持器的燃烧系统及相关方法

    公开(公告)号：WO2016105489A2

    公开(公告)日：2016-06-30

    申请号：PCT/US2015/000219

    申请日：2015-12-23

    Applicant: CLEARSIGN COMBUSTION CORPORATION

    Inventor： KARKOW, Douglas, Wayne ,  BREIDENTHAL, Robert, E. ,  WIKLOF, Christopher, A. ,  KENDRICK, Donald

    IPC: F23D14/46

    CPC classification number: F23D14/16 ,  F23D14/14 ,  F23D14/58 ,  F23D14/82

    Abstract: Embodiments disclosed herein include flame holders that may provide recirculated fuel flow therethrough, combustion systems that include such flame holders, and related methods. A fuel and/or fuel-oxidant mixture may pass through one or more openings in the flame holder and, after combustion, the resulting flame may be held at or near a surface of the flame holder including in the one or more openings. Generally, the configuration of the flame holders disclosed herein (e.g., the one or more openings of the flame holders) may recirculate or regulate (e.g., decrease and/or increase) the flow of fuel and/or oxidant therethrough, at least limit flame flashback, improve fuel/oxidant mixing, increase flame stability, regulate where the flame is located in the flame holder, improve the operational stability window of the combustion system, or combinations of the foregoing.

    Abstract translation: 本文公开的实施例包括可提供通过其中的再循环燃料流的火焰保持器，包括这种火焰保持器的燃烧系统以及相关方法。 燃料和/或燃料 - 氧化剂混合物可以通过火焰保持器中的一个或多个开口，并且在燃烧之后，所得到的火焰可以保持在包括在一个或多个开口中的火焰保持器的表面处或附近。 通常，本文公开的火焰保持器的构造（例如，火焰保持器的一个或多个开口）可以再循环或调节（例如，减少和/或增加）通过其中的燃料和/或氧化剂的流动，至少限制火焰 回火，改善燃料/氧化剂混合，增加火焰稳定性，调节火焰位于火焰保持器中的位置，改善燃烧系统的操作稳定性窗口或上述的组合。

    COMBUSTION SYSTEM INCLUDING A MIXING TUBE AND A FLAME HOLDER
    12.
    发明申请
    COMBUSTION SYSTEM INCLUDING A MIXING TUBE AND A FLAME HOLDER 审中-公开

    公开(公告)号：WO2021092590A1

    公开(公告)日：2021-05-14

    申请号：PCT/US2020/059748

    申请日：2020-11-09

    Applicant: CLEARSIGN COMBUSTION CORPORATION

    Inventor： KENDRICK, Donald

    IPC: F23D14/64

    Abstract: A combustion system includes a fuel distributor configured to output a fuel, an oxidant source configured to output an oxidant, and a mixing tube defining a mixing volume aligned to receive the fuel and oxidant. The mixing tube is shaped to convey the fuel and the oxidant through the mixing volume at a bulk velocity higher than a flame propagation speed. The combustion system includes a flame holder aligned to receive the mixed fuel and oxidant and to support a combustion reaction of the fuel and the oxidant.

    CONTROL SYSTEM FOR A BURNER WITH PERFORATED FLAME HOLDER
    13.
    发明申请
    CONTROL SYSTEM FOR A BURNER WITH PERFORATED FLAME HOLDER 审中-公开

    公开(公告)号：WO2019018675A1

    公开(公告)日：2019-01-24

    申请号：PCT/US2018/042935

    申请日：2018-07-19

    Applicant: CLEARSIGN COMBUSTION CORPORATION

    Inventor： KARKOW, Douglas W. ,  KENDRICK, Donald ,  DANSIE, James K. ,  WIKLOF, Christopher A.

    IPC: F23D14/26 ,  F23D14/58 ,  F23D14/32

    Abstract: A combustion system includes a perforated flame holder, a preheating fuel distributor, a main fuel distributor, an oxidant source, an array of sensors, and a controller. The oxidant source outputs an oxidant. The preheating fuel distributor supports a preheating flame configured to preheat the perforated flame holder by outputting a preheating fuel when the combustion system is in a preheating state. The main fuel source outputs a main fuel in the standard operating state. The perforated 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 preheating flame and the perforated 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 preheating fuel, and the oxidant responsive to the sensor signals.

    COMBUSTION SYSTEM INCLUDING A MIXING TUBE AND A PERFORATED FLAME HOLDER
    14.
    发明申请
    COMBUSTION SYSTEM INCLUDING A MIXING TUBE AND A PERFORATED FLAME HOLDER 审中-公开

    公开(公告)号：WO2018208695A1

    公开(公告)日：2018-11-15

    申请号：PCT/US2018/031449

    申请日：2018-05-07

    Applicant: CLEARSIGN COMBUSTION CORPORATION

    Inventor： KENDRICK, Donald

    IPC: F23D14/26 ,  F23D14/32 ,  F23D14/62

    Abstract: A combustion system includes a fuel distributor configured to output a fuel, an oxidant source configured to output an oxidant, and a mixing tube defining a mixing volume aligned to receive the fuel and oxidant. The mixing tube is shaped to convey the fuel and oxidant through the mixing volume at a bulk velocity higher than a flame propagation speed. The combustion system includes a perforated flame holder aligned to receive the mixed fuel and oxidant and to support a combustion reaction of the fuel and oxidant.

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