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    Modular pressure swing adsorption apparatus
    11.
    发明授权
    Modular pressure swing adsorption apparatus 有权
    模块式变压吸附装置

    公开(公告)号：US07094275B2

    公开(公告)日：2006-08-22

    申请号：US10620262

    申请日：2003-07-14

    申请人： Bowie G. Keefer ,  David G. Doman ,  Christopher R. McLean

    发明人： Bowie G. Keefer ,  David G. Doman ,  Christopher R. McLean

    IPC分类号： B01D53/06

    CPC分类号： B01D53/0454 ,  B01D53/0431 ,  B01D53/0476 ,  B01D53/06 ,  B01D2253/108 ,  B01D2256/16 ,  B01D2257/102 ,  B01D2259/40005

    摘要： A rotary module for implementing a high frequency pressure swing adsorption process comprises a stator and a rotor rotatably coupled to the stator. The stator includes a first stator valve surface, a second stator valve surface, a plurality of first function compartments opening into the first stator valve surface, and a plurality of second function compartments opening into the second stator valve surface. The rotor includes a first rotor valve surface in communication with the first stator valve surface, a second rotor valve surface in communication with the second stator valve surface, and a plurality of flow paths for receiving adsorbent material therein. Each flow path includes a pair of opposite ends, and a plurality of apertures provided in the rotor valve surfaces and in communication with the flow path ends and the function ports for cyclically exposing each flow path to a plurality of discrete pressure levels between the upper and lower pressures for maintaining uniform gas flow through the first and second function compartments.

    摘要翻译： 用于实现高频变压吸附过程的旋转模块包括定子和可旋转地联接到定子的转子。 定子包括第一定子阀表面，第二定子阀表面，通向第一定子阀表面的多个第一功能室，以及通向第二定子阀表面的多个第二功能室。 转子包括与第一定子阀表面连通的第一转子阀表面，与第二定子阀表面连通的第二转子阀表面和用于在其中接收吸附材料的多个流动通道。 每个流动路径包括一对相对的端部，以及设置在转子阀表面中并与流路端部连通的多个孔，以及功能端口，用于将每个流动路径周期性地暴露于上部和 较低的压力以保持均匀的气体流经第一和第二功能隔间。

    Adsorbent coating compositions, laminates and adsorber elements
    12.
    发明授权
    Adsorbent coating compositions, laminates and adsorber elements 有权
    吸附剂涂料组合物，层压材料和吸附剂元素

    公开(公告)号：US07902114B2

    公开(公告)日：2011-03-08

    申请号：US11876618

    申请日：2007-10-22

    申请人： Bowie G. Keefer ,  Alain A. Carel ,  Brian G. Sellars ,  Ian S. D. Shaw ,  Belinda C. Larisch ,  David G. Doman ,  Frederick K. Lee ,  Andrea C. Gibbs ,  Bernard H. Hetzler ,  James A. Sawada ,  Aaron M. Pelman ,  Carl F. Hunter

    发明人： Bowie G. Keefer ,  Alain A. Carel ,  Brian G. Sellars ,  Ian S. D. Shaw ,  Belinda C. Larisch ,  David G. Doman ,  Frederick K. Lee ,  Andrea C. Gibbs ,  Bernard H. Hetzler ,  James A. Sawada ,  Aaron M. Pelman ,  Carl F. Hunter

    IPC分类号： B01J20/00

    CPC分类号： B01J20/28042 ,  B01D53/02 ,  B01D53/047 ,  B01D53/06 ,  B01D2253/108 ,  B01D2253/342 ,  B01J20/183 ,  B01J20/186 ,  B01J20/28028 ,  B01J20/28035 ,  B01J20/3078 ,  B01J20/3204 ,  B01J20/3212 ,  B01J20/3223 ,  B01J20/3238 ,  B01J20/3297 ,  B05C1/00 ,  B05C1/0826 ,  B05C9/06

    摘要： Using zeolites as the active adsorbent, adsorbent laminates have been fabricated with various sheet supports. These adsorbent laminates have been successfully operated for oxygen enrichment at high PSA cycle frequencies, such as upwards of at least 150 cycles per minute. Methods for making suitable adsorbent laminates are described. The methods generally involve forming a slurry comprising a liquid suspending agent, an adsorbent and a binder. Laminates are made by applying the slurry to support material or admixing support material with the slurry. The slurry can be applied to support material using a variety of techniques, including roll coaters, split roll coaters, electrophoretic deposition, etc. One method for making laminates by mixing support material with the adsorbent slurry comprises depositing the slurry onto a foraminous wire, draining the slurry material, and pressing the material to form a ceramic adsorbent paper. Spacers can be formed on adsorbent laminates to space one laminate from another. The spacer dimensions can be uniform, or can vary along a laminate, such as increasing in height from a first end to a second end of the laminate. Gas flow-through apertures also can be formed on laminates. The laminates are adjacent one another to define flow channel between adjacent bodies, whereby a portion of a gas flowing through the flow channels flows through the apertures to facilitate pressure equalization in the adsorbent structure.

    摘要翻译： 使用沸石作为活性吸附剂，已经用各种片材载体制造了吸附层压材料。 这些吸附层压材料已经成功地用于在高PSA循环频率下富氧，例如每分钟至少150次循环。 描述制备合适的吸附层压材料的方法。 所述方法通常涉及形成包含液体悬浮剂，吸附剂和粘合剂的浆料。 通过将浆料施加以支撑材料或将浆料与载体材料混合来制备层压板。 浆料可以使用各种技术应用于支撑材料，包括辊涂机，分割辊涂布机，电泳沉积等。通过将支撑材料与吸附剂浆料混合制备层压板的一种方法包括将浆料沉积在多孔丝上，排出 浆料，并压制该材料以形成陶瓷吸附纸。 隔板可以在吸附剂层压板上形成，以将一个层压板与另一层压板间隔开。 间隔物尺寸可以是均匀的，或者可以沿着层压体变化，例如从层压体的第一端到第二端的高度增加。 气体流通孔也可以在层压板上形成。 层压体彼此相邻以限定相邻体之间的流动通道，由此流过流动通道的气体的一部分流过孔，以便于吸附剂结构中的压力平衡。

    Modular pressure swing adsorption with energy recovery
    14.
    发明授权
    Modular pressure swing adsorption with energy recovery 失效
    模块化变压吸附与能量回收

    公开(公告)号：US6051050A

    公开(公告)日：2000-04-18

    申请号：US995906

    申请日：1997-12-22

    申请人： Bowie G. Keefer ,  David G. Doman

    发明人： Bowie G. Keefer ,  David G. Doman

    IPC分类号： B01D53/04 ,  B01D53/047 ,  B01D53/06

    CPC分类号： B01D53/06 ,  B01D53/047 ,  B01D53/0462

    摘要： Pressure swing adsorption (PSA) separation of a feed gas mixture is performed within an apparatus having typically a single prime mover powering a feed compressor for one or multiple rotary PSA modules in parallel, each module including a rotor with a large number of angularly spaced adsorber elements, with valve surfaces between the rotor and a stator so that individual adsorber elements are opened to compartments for staged pressurization and blowdown, with thermally boosted energy recovery from staged expansion of countercurrent blowdown and light reflux gases, and a plurality of adsorber elements opened at any instant to each compartment so that each compressor and expander stage operates under substantially steady conditions of flow and pressure.

    摘要翻译： 进料气体混合物的变压吸附（PSA）分离在具有通常为单个原动机的设备中进行，所述单个原动机对于一个或多个旋转PSA模块的进给压缩机并行供电，每个模块包括具有大量角度间隔的吸附器的转子 元件，在转子和定子之间具有阀表面，使得单独的吸附器元件打开到用于分段加压和排污的隔室，并且通过从逆流排污和轻质回流气体的分段膨胀中获得热增压能量回收，并且多个吸附器元件在 任何时刻到每个隔室，使得每个压缩机和膨胀器级在基本稳定的流量和压力条件下运行。

    Life support oxygen concentrator
    16.
    发明授权
    Life support oxygen concentrator 有权
    生命支持氧气浓缩器

    公开(公告)号：US06514319B2

    公开(公告)日：2003-02-04

    申请号：US09733606

    申请日：2000-12-08

    申请人： Bowie G. Keefer ,  Christopher McLean

    发明人： Bowie G. Keefer ,  Christopher McLean

    IPC分类号： B01D53053

    CPC分类号： B01D53/0476 ,  B01D53/047 ,  B01D53/053 ,  B01D53/06 ,  B01D2253/108 ,  B01D2256/12 ,  B01D2257/504 ,  B01D2259/40003 ,  B01D2259/40005 ,  B01D2259/40052 ,  B01D2259/40069 ,  B01D2259/40075 ,  B01D2259/4533 ,  B01D2259/4541 ,  C01B13/0259 ,  C01B2210/0046 ,  Y02C10/08 ,  Y02P20/152

    摘要： Gas separation by pressure swing adsorption (PSA) and vacuum pressure swing adsorption (VPSA), to obtain a purified product gas of the less strongly adsorbed fraction of the feed gas mixture, is performed with an apparatus having a plurality of adsorbers. The adsorbers cooperate with first and second valves in a rotary PSA module, with the PSA cycle characterized by multiple intermediate pressure levels between the higher and lower pressures of the PSA cycle. Gas flows enter or exit the PSA module at the immediate pressure levels as well as the higher and lower pressure levels, under substantially steady conditions of flow and pressure. The PSA module comprises a rotor containing laminated sheet adsorbers and rotating within a stator, with ported valve faces between the rotor and stator to control the timing of the flows entering or exiting the adsorbers in the rotor.

    摘要翻译： 用具有多个吸附器的装置进行通过变压吸附（PSA）和真空变压吸附（VPSA）的气体分离，以获得进料气体混合物的较弱吸附级分的纯化产物气体。 吸附器与旋转PSA模块中的第一和第二阀配合，PSA循环的特征在于PSA循环的较高和较低压力之间的多个中间压力水平。 在基本稳定的流量和压力条件下，气流在直接压力水平以及较高和较低压力水平下进入或离开PSA模块。 PSA模块包括含有层压片吸附器并在定子内旋转的转子，其中转子和定子之间具有带孔的阀面，以控制进入或离开转子中的吸附器的流动时间。

    Rotary face seal with anti-crowning features
    17.
    发明授权
    Rotary face seal with anti-crowning features 有权
    旋转表面密封，具有防冕功能

    公开(公告)号：US08616233B2

    公开(公告)日：2013-12-31

    申请号：US12496347

    申请日：2009-07-01

    申请人： Christopher R. McLean ,  Michel P. LeBlanc ,  Michael J. McKerrow ,  Bowie G. Keefer ,  Xiang Lu Kong ,  Alan O. Lebeck

    发明人： Christopher R. McLean ,  Michel P. LeBlanc ,  Michael J. McKerrow ,  Bowie G. Keefer ,  Xiang Lu Kong ,  Alan O. Lebeck

    IPC分类号： F16K51/00

    CPC分类号： F16J15/3468 ,  B01D53/047 ,  B01D2259/40005 ,  F16J15/3464 ,  Y10T29/49405 ,  Y10T137/4442

    摘要： A typical rotary face seal employs a seal ring rotating relative to a sealing surface and also employs means to urge the seal ring towards the sealing surface in order to effect a seal. The seal ring may itself comprise a seal face bonded to a backing ring. In certain applications, the seal face may deform significantly as a result of the temperature variations experienced and an undesirable crowning of the seal face may occur. Such crowning may be reduced by employing an improved seal ring with anti-crowning features in which the thickness of an edge of the seal face is different from that in the middle of the seal face, or in which a relief slot is employed in the seal face. The improved seal ring is particularly suited for rotary face seals used in a rotary valve in a rotary gas separation device.

    摘要翻译： 典型的旋转面密封件使用相对于密封表面旋转的密封环，并且还采用将密封环推向密封表面以便实现密封的装置。 密封环本身可以包括结合到背衬环的密封面。 在某些应用中，密封面可能由于经历的温度变化而显着变形，并且可能发生不希望的密封面隆起。 通过使用具有防顶部特征的改进的密封环，密封面的厚度不同于密封面的中间的厚度，或者在密封件中使用泄压槽的情况下，可以减小这种隆起 面对。 改进的密封环特别适用于旋转气体分离装置中用于旋转阀的旋转面密封件。

    Multistage system for separating gas by adsorption
    20.
    发明授权
    Multistage system for separating gas by adsorption 有权

    公开(公告)号：US06514318B2

    公开(公告)日：2003-02-04

    申请号：US09998443

    申请日：2001-12-03

    申请人： Bowie G. Keefer

    发明人： Bowie G. Keefer

    IPC分类号： B01D53047

    CPC分类号： B01D53/0431 ,  B01D53/0438 ,  B01D53/047 ,  B01D53/0476 ,  B01D53/06 ,  B01D53/261 ,  B01D2253/104 ,  B01D2253/1085 ,  B01D2253/11 ,  B01D2253/25 ,  B01D2256/12 ,  B01D2257/108 ,  B01D2257/80 ,  B01D2259/40005 ,  B01D2259/4009 ,  B01D2259/4068

    摘要： A pressure swing adsorption system for separating components of a gas mixture includes a first adsorbent module, and a second a adsorbent module coupled to the a first adsorbent module. The first adsorbent module includes a first gas inlet for receiving the gas mixture, at least one bed of first adsorbent material in communication with the first gas inlet for adsorbing a gas mixture component from the gas mixture, and a first gas outlet in communication with the first adsorbent beds for receiving a first product gas therefrom. The second adsorbent module includes a second gas inlet coupled to the first gas outlet for receiving the first product gas, at least one second bed of adsorbent material in communication with the second gas inlet for adsorbing a first product gas component from the first product gas, and a second gas outlet in communication with the second adsorbent beds for receiving a second product gas therefrom. The first product gas substantially excludes the adsorbed gas mixture component, and the second product gas substantially excludes the adsorbed first product gas component. Also, the adsorbent modules are configured for transferring the first product gas between the adsorbent modules over a plurality of discrete pressure levels to maintain substantial uniformity of gas flow therebetween.