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    Premix furnace and methods of mixing air and fuel and improving combustion stability
    1.
    发明授权
    Premix furnace and methods of mixing air and fuel and improving combustion stability 有权
    预混炉和混合空气和燃料的方法，提高燃烧稳定性

    公开(公告)号：US08167610B2

    公开(公告)日：2012-05-01

    申请号：US12793318

    申请日：2010-06-03

    申请人： William F. Raleigh ,  Robert A. Borgeson ,  Aaron D. Herzon ,  Allan J. Reifel ,  Russell W. Hoeffken

    发明人： William F. Raleigh ,  Robert A. Borgeson ,  Aaron D. Herzon ,  Allan J. Reifel ,  Russell W. Hoeffken

    IPC分类号： F23C5/00

    CPC分类号： F23D14/64 ,  F23D14/58 ,  F23D14/70 ,  F23D2203/102 ,  F23D2210/00 ,  F23D2900/14482

    摘要： Premix furnace for heating an occupied space while producing lower NOx emissions and methods of mixing air and fuel delivered to a premix burner and of improving combustion stability. A mixing device may be located within an inlet tube, may have a flat surface that is perpendicular to the direction of fuel flow, or may have two surfaces held at substantially opposite angles to induce swirl. A mixing device may be attached to the fuel injector, may be made from a piece of sheet metal, and may have bends and a hole for attachment to the fuel injector. A fluidic diode in the inlet tube may improve combustion stability and may include a hollow frustum or a frustoconical portion, a cylinder concentric with the inlet tube, or a combination thereof. Some embodiments include refractory insulation lining the combustion chamber or may adjust for elevation or fuel characteristics.

    摘要翻译： 用于加热占用空间同时产生较低的NOx排放物的预混炉以及输送到预混燃烧器的空气和燃料混合物以及改善燃烧稳定性的方法。 混合装置可以位于入口管内，可以具有垂直于燃料流动方向的平坦表面，或者可以具有以基本上相反的角度保持以产生涡流的两个表面。 混合装置可以附接到燃料喷射器，可以由一块金属板制成，并且可以具有用于附接到燃料喷射器的弯曲部和孔。 入口管中的流体二极管可以提高燃烧稳定性，并且可以包括中空截头锥体或截头圆锥形部分，与入口管同心的圆柱体，或其组合。 一些实施方案包括在燃烧室内衬的耐火绝缘体，或者可以调节高度或燃料特性。

    Aerodynamic device for increasing the flickering of a natural gas flame
    2.
    发明授权
    Aerodynamic device for increasing the flickering of a natural gas flame 失效
    用于增加天然气火焰闪烁的气动装置

    公开(公告)号：US5819725A

    公开(公告)日：1998-10-13

    申请号：US608243

    申请日：1996-02-28

    申请人： Robert A. Borgeson

    发明人： Robert A. Borgeson

    IPC分类号： F23C7/02 ,  F23C1/18 ,  F23C11/04

    CPC分类号： F24C3/006 ,  F23C7/02 ,  F23C2205/20

    摘要： A process and apparatus for combustion of a gaseous fuel in a fireplace in which a plurality of periodic vortices are created in the airflow pattern of the combustion air prior to its mixing with the gaseous fuel, thereby producing a more natural looking, flickering flame.

    摘要翻译： 一种用于在壁炉中燃烧气态燃料的方法和装置，其中在与气态燃料混合之前，在燃烧空气的气流模式中产生多个周期性涡流，由此产生更自然的闪烁的火焰。

    PREMIX FURNACE AND METHODS OF MIXING AIR AND FUEL AND IMPROVING COMBUSTION STABILITY
    3.
    发明申请
    PREMIX FURNACE AND METHODS OF MIXING AIR AND FUEL AND IMPROVING COMBUSTION STABILITY 有权
    燃料和燃料的混合燃烧和燃烧方法，提高燃烧稳定性

    公开(公告)号：US20100310998A1

    公开(公告)日：2010-12-09

    申请号：US12793318

    申请日：2010-06-03

    申请人： William F. Raleigh ,  Robert A. Borgeson ,  Aaron D. Herzon ,  Allan J. Reifel ,  Russell W. Hoeffken

    发明人： William F. Raleigh ,  Robert A. Borgeson ,  Aaron D. Herzon ,  Allan J. Reifel ,  Russell W. Hoeffken

    IPC分类号： F23C5/00 ,  F24H3/00

    CPC分类号： F23D14/64 ,  F23D14/58 ,  F23D14/70 ,  F23D2203/102 ,  F23D2210/00 ,  F23D2900/14482

    摘要： Premix furnace for heating an occupied space while producing lower NOx emissions and methods of mixing air and fuel delivered to a premix burner and of improving combustion stability. A mixing device may be located within an inlet tube, may have a flat surface that is perpendicular to the direction of fuel flow, or may have two surfaces held at substantially opposite angles to induce swirl. A mixing device may be attached to the fuel injector, may be made from a piece of sheet metal, and may have bends and a hole for attachment to the fuel injector. A fluidic diode in the inlet tube may improve combustion stability and may include a hollow frustum or a frustoconical portion, a cylinder concentric with the inlet tube, or a combination thereof. Some embodiments include refractory insulation lining the combustion chamber or may adjust for elevation or fuel characteristics.

    摘要翻译： 用于加热占用空间同时产生较低的NOx排放物的预混炉以及输送到预混燃烧器的空气和燃料混合物以及改善燃烧稳定性的方法。 混合装置可以位于入口管内，可以具有垂直于燃料流动方向的平坦表面，或者可以具有以基本上相反的角度保持以产生涡流的两个表面。 混合装置可以附接到燃料喷射器，可以由一块金属板制成，并且可以具有用于附接到燃料喷射器的弯曲部和孔。 入口管中的流体二极管可以提高燃烧稳定性，并且可以包括中空截头锥体或截头圆锥形部分，与入口管同心的圆柱体，或其组合。 一些实施方案包括在燃烧室内衬的耐火绝缘体，或者可以调节高度或燃料特性。

    Pulse combustion apparatus
    6.
    发明授权
    Pulse combustion apparatus 失效
    脉冲燃烧装置

    公开(公告)号：US4938203A

    公开(公告)日：1990-07-03

    申请号：US320463

    申请日：1989-03-08

    申请人： William H. Thrasher ,  Robert A. Borgeson ,  Lloyd R. Maschhoff ,  Charles M. Pavlik ,  Steven J. Tucky ,  Jeffrey L. West

    发明人： William H. Thrasher ,  Robert A. Borgeson ,  Lloyd R. Maschhoff ,  Charles M. Pavlik ,  Steven J. Tucky ,  Jeffrey L. West

    IPC分类号： F23C15/00 ,  F24H3/06

    CPC分类号： F24H3/065

    摘要： A pulse combustion space heater and burner are disclosed. The heater has an exterior cabinet enclosing an interior housing having the burner mounted therein. The burner includes a plurality of generally flat elements which cooperate with the interior housing to provide a tortuous path for air circulated through the chamber during heat transfer. A labyrinthine air flow passageway lined with sound attenuating material is provided immediately upstream of the heater air discharge. The burner tailpipe comprises a weldment of two identical sheet metal pieces which cooperatively define a tailpipe conduit. A fuel gas inlet orifice is mounted in the wall of the mixer head to effect both regulation of the average flow rate and injection of the fuel to enhance its mixture with the air.

    摘要翻译： 公开了脉冲燃烧空间加热器和燃烧器。 加热器具有封闭内部壳体的外部柜体，其中安装有燃烧器。 燃烧器包括多个大致平坦的元件，其与内部壳体配合以在热传递期间为在腔室中循环的空气提供曲折的路径。 在加热器空气排放的上游的紧邻上游处设有迷宫式气流通道，内衬有声音衰减材料。 燃烧器尾管包括两个相同的金属片的焊件，它们协同地限定了一个尾管导管。 燃料气体入口孔安装在混合器头部的壁上，以实现平均流速的调节和燃料的喷射以增强其与空气的混合。