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41. 发明授权

US4187173A Reverse osmosis method and apparatus 失效
标题翻译：反渗透方法及装置
公开(公告)号：US4187173A
公开(公告)日：1980-02-05
申请号：US886429
申请日：1978-03-14
申请人： Bowie G. Keefer
发明人： Bowie G. Keefer
IPC分类号： F03D9/00 , F04B1/02 , F04B5/02 , F04B7/00 , F04B11/00 , F04B53/14 , B01D13/00
CPC分类号： F04B53/143 , B01D61/06 , F03D9/00 , F04B1/02 , F04B11/0083 , F04B5/02 , F04B7/0053 , B01D2313/18 , B01D2313/246 , F05B2220/62 , Y02E10/72
摘要： Reverse osmosis, particularly for water desalination, is achieved using semipermeable membranes which selectively permeate purified water from a feed solution pressurized by reciprocating piston or diaphragm pump. Pump action is assisted by returning pressurized concentrate fluid acting on reverse side of the pump piston or diaphragm. Directional valves controlling alternating admission and venting of concentrate fluid to and from pump cylinder are actuated mechanically by reversal of force applied to the piston rod. Mechanical dwell is provided in the piston or diaphragm motion during directional valve actuation. Pump may be operated by a manual lever or by a crank mechanism on a low speed rotary shaft. An optional differential surge absorber provides continuity of feed solution circulation past membrane surfaces during the return pump stroke, thus minimizing detrimental salt concentration build-up on the membranes.
摘要翻译：使用半透膜可以实现反渗透，特别是对于水脱盐，该渗透膜选择性地从由往复式活塞或隔膜泵加压的进料溶液中渗透净化水。通过返回作用在泵活塞或隔膜反面的加压浓缩液来辅助泵动作。通过反向施加到活塞杆的力来机械地驱动集中流体与泵筒的交替进入和排出的方向阀。在方向阀致动期间，在活塞或隔膜运动中提供机械停留。泵可以由手动杆或低速旋转轴上的曲柄机构操作。可选的差动浪涌吸收器在返回泵冲程期间提供在膜表面之间的进料溶液循环的连续性，从而最小化膜上有害的盐浓度增加。

42. 发明授权

US07094275B2 Modular pressure swing adsorption apparatus 有权
标题翻译：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。

43. 发明授权

US06840985B2 Surge absorber flow regulation for modular pressure swing adsorption 有权
标题翻译：用于模块式变压吸附的浪涌吸收器流量调节
公开(公告)号：US06840985B2
公开(公告)日：2005-01-11
申请号：US09998777
申请日：2001-12-03
申请人： Bowie G. Keefer
发明人： Bowie G. Keefer
IPC分类号： B01D53/04 , B01D53/047 , B01D53/06
CPC分类号： B01D53/0431 , B01D53/047 , B01D53/06 , B01D2253/108 , B01D2256/12 , B01D2257/102 , B01D2259/40005 , B01D2259/4068
摘要： A gas separation system includes a stator, and a rotor rotatably coupled to the stator, and at least one surge absorber in communication with the stator. The stator includes a stator valve surface and a plurality of function compartments opening into the stator valve surface. The rotor includes a rotor valve surface in communication with the stator valve surface, and a plurality of flow paths for receiving adsorbent material therein. The rotor also includes a plurality of apertures provided in the rotor valve surface and in communication with the flow paths for cyclically exposing the flow paths to the function compartments. The surge absorbers are configured to reduce pressure variations in the function compartments and to maintain each function compartment at one of a plurality of discrete pressure levels. In this manner, substantially uniform gas flow can be maintained through the function compartments and the flow paths without recourse to multistage compression machinery.
摘要翻译：气体分离系统包括定子和可旋转地联接到定子的转子以及与定子连通的至少一个浪涌吸收器。定子包括定子阀表面和通向定子阀表面的多个功能隔室。转子包括与定子阀表面连通的转子阀表面，以及用于在其中接收吸附材料的多个流路。转子还包括设置在转子阀表面中并与流路连通的多个孔，用于循环地暴露到功能隔间的流动路径。浪涌吸收器被配置为减小功能隔间中的压力变化并且将每个功能室保持在多个离散压力水平中的一个上。以这种方式，可以通过功能隔间和流动路径维持基本均匀的气流，而不需要多级压缩机械。

44. 发明授权

US06533846B1 Modular pressure swing adsorption apparatus with clearance-type valve seals 有权
标题翻译：带间隙式阀门密封的模块式变压吸附装置
公开(公告)号：US06533846B1
公开(公告)日：2003-03-18
申请号：US10007654
申请日：2001-12-10
申请人： Bowie G. Keefer , Christopher McLean , Les Jeziorowski , Kevin A. Kaupert , Marie-Claude Taponat , Christopher Stoner
发明人： Bowie G. Keefer , Christopher McLean , Les Jeziorowski , Kevin A. Kaupert , Marie-Claude Taponat , Christopher Stoner
IPC分类号： B01D5306
CPC分类号： B01D53/0431 , B01D53/0454 , B01D53/0476 , B01D53/06 , B01D2253/108 , B01D2256/16 , B01D2257/102 , B01D2259/40005 , Y10T137/86863
摘要： A rotary module for implementing a high frequency pressure swing adsorption process includes a stator having a number of function compartments opening into the stator valve faces, a rotor rotatably coupled to the stator and including a number of apertures opening into the rotor valve faces, and a self-regulating clearance-type valve seal positioned between the valve faces of the stator and rotor so as to regulate the rate of gas flow between the stator and the rotor. Each valve seal includes a sealing face disposed adjacent a respective one of the rotor valve faces and is pivotable relative to the respective rotor valve face for varying the gas flow rate in accordance with the clearance distance between the sealing face and the respective rotor valve face. Each valve seal also includes a passage which communicates with one of the function compartments for varying the clearance distance in response to a pressure differential between the passage and an approaching aperture. In this way, the valve seal maintains a smooth pressure transition profile as the flow paths are switched between the function compartments. As a result, equilibrium is maintained between the adsorbent material and the mass transfer front of the gas, and the efficiency of the gas separation process is enhanced.
摘要翻译：一种用于实现高频变压吸附过程的旋转模块，包括具有多个通向定子阀面的功能隔室的定子，可转动地连接到定子并且包括多个通向转子阀面的孔的转子，以及位于定子和转子的阀面之间的自调节间隙型阀密封件，以调节定子和转子之间的气流速率。每个阀密封件包括邻近相应的一个转子阀面设置的密封面，并且可相对于相应的转子阀面枢转，以根据密封面和相应转子阀面之间的间隙改变气体流量。每个阀门密封件还包括与功能隔间中的一个连通的通道，用于响应通道和接近的孔之间的压力差来改变间隙距离。以这种方式，当密封件在功能隔间之间切换时，阀门密封件保持平滑的压力转换特性。结果，在吸附剂材料和气体的传质前沿之间保持平衡，并且提高了气体分离过程的效率。

45. 发明授权

US06176897B1 High frequency pressure swing adsorption 失效
标题翻译：高频变压吸附
公开(公告)号：US06176897B1
公开(公告)日：2001-01-23
申请号：US09000844
申请日：1997-12-30
申请人： Bowie G. Keefer
发明人： Bowie G. Keefer
IPC分类号： B01D53047
CPC分类号： B01D53/0476 , B01D53/0431 , B01D53/0446 , B01D53/261 , B01D2253/104 , B01D2253/108 , B01D2253/25 , B01D2253/304 , B01D2256/12 , B01D2257/102 , B01D2257/504 , B01D2257/80 , B01D2259/40005 , B01D2259/40052 , B01D2259/40062 , B01D2259/404 , B01D2259/4146 , B01D2259/4533 , B01D2259/4541 , Y02C10/08
摘要： Pressure swing adsorption separation of a feed gas mixture, to obtain a purified product gas of the less strongly adsorbed fraction of the feed gas mixture, is performed in a plurality of preferably an even number of adsorbent beds, with each adsorbent bed communicating at its product end directly to a variable volume expansion chamber, and at its feed end by directional valves to a feed compressor and an exhaust vacuum pump. For high frequency operation of the pressure swing adsorption cycle, a high surface area layered support is used for the adsorbent. The compressor and vacuum pump pistons may be integrated with the cycle, reciprocating at twice the cycle frequency. Alternative configurations of the layered adsorbent beds are disclosed.
摘要翻译：进料气体混合物的变压吸附分离，以获得进料气体混合物较弱吸附级分的纯化产物气体在多个优选偶数个吸附剂床中进行，每个吸附剂床在其产物直接连接到可变容积膨胀室，并在其进料端通过方向阀连接到进料压缩机和排气真空泵。对于变频吸附循环的高频操作，吸附剂使用高表面积的层状载体。压缩机和真空泵活塞可以与循环集成，以循环频率的两倍往复运动。公开了层状吸附床的替代配置。

46. 发明授权

US4973408A Reverse osmosis with free rotor booster pump 失效
标题翻译：用自由转子增压泵反渗透
公开(公告)号：US4973408A
公开(公告)日：1990-11-27
申请号：US314192
申请日：1989-02-23
申请人： Bowie G. Keefer
发明人： Bowie G. Keefer
IPC分类号： B01D61/06 , B01D61/10 , F04C2/344 , F04D1/08 , F04D1/12 , F04D13/04
CPC分类号： F04D13/043 , B01D61/06 , B01D61/10 , F04C2/3446 , F04D1/08 , F04D1/12
摘要： Apparatus and process for reverse osmosis or other pressure-driven membrane fluid separations, with a free rotor booster pump to increase the pressure of a feed fluid from an initial feed pressure to a working pressure at which perm-selective membranes separate the feed fluid into permeate and concentrate fluid fractions. The free rotor booster pump is powered solely by expansion of the concentrate fluid, thus recovering pressure energy from the concentrate fluid to amplify the pressure of the feed fluid. The free rotor booster pump is self-starting, provides desirable self-regulating characteristics to the apparatus, and simplifies the process since auxiliary valves that were required with prior art energy recovery turbines for starting procedures and running adjustments may be eliminated.
摘要翻译：用于反渗透或其它压力驱动的膜流体分离的设备和方法，具有自由转子增压泵，以将进料流体的压力从初始进料压力增加到工作压力，在该工作压力下，使用选择性膜将进料流体分离成渗透物并浓缩液体馏分。自由转子增压泵仅通过浓缩流体的膨胀来提供动力，从而从浓缩液中回收压力能量以放大进料流体的压力。自由转子增压泵是自启动的，为设备提供期望的自调节特性，并且简化了过程，因为可以消除用于启动程序和运行调整的现有技术的能量回收涡轮机所需的辅助阀。

47. 发明授权

US4432876A Reverse osmosis apparatus and method incorporating external fluid exchange 失效
标题翻译：反渗透装置和结合外部流体交换的方法
公开(公告)号：US4432876A
公开(公告)日：1984-02-21
申请号：US173456
申请日：1980-07-30
申请人： Bowie G. Keefer
发明人： Bowie G. Keefer
IPC分类号： B01D61/06 , F04B11/00 , B01D31/00 , B01D13/00
CPC分类号： F04B11/0091 , B01D61/06 , F04B11/0033 , F04B11/005 , B01D2313/18 , B01D2313/246
摘要： Reverse osmosis pump using a fluid volume exchange structure interconnecting pumping and expansion chambers of feed cylinder externally of feed cylinder. This structure permits exchange of volume between pumping and expansion chambers following initiation of induction or pumping stroke. Volume exchange provides a dwell interval to shift main directional valve across closed center position thereof, thus increasing tolerance to valve actuation, and also tends to equalize pressure differences across ports of the valve prior to opening of such ports, thus reducing erosion and valve gear wear. Also tends to reduce pressure differences across feed displacer, thus reducing sealing problems. Volume exchange structure can be a resilient diaphragm with no intermixing of fluid, mechanically timed valve permitting intermixing of fluid, or cross-over relief valves which are pressure responsive to permit intermixing of fluid.
摘要翻译：反渗透泵使用流体体积交换结构，将进料筒外部的进料筒的泵送和膨胀室相互连接。这种结构允许在启动感应或泵送冲程之后在泵送和膨胀室之间交换体积。容积交换提供了一个停留间隔，以将主换向阀移动到其闭合中心位置，从而增加对阀致动的公差，并且还趋于在打开这些端口之前使阀的端口之间的压力差平衡，从而减少侵蚀和阀齿轮磨损。还倾向于减少进料置换器之间的压力差，从而减少密封问题。体积交换结构可以是弹性隔膜，不会混合流体，机械定时阀允许流体混合，或交叉溢流阀是压力响应的，以允许流体混合。

48. 发明授权

US4230564A Rotary reverse osmosis apparatus and method 失效
标题翻译：旋转反渗透装置及方法
公开(公告)号：US4230564A
公开(公告)日：1980-10-28
申请号：US927550
申请日：1978-07-24
申请人： Bowie G. Keefer
发明人： Bowie G. Keefer
IPC分类号： B01D63/16 , B01D31/00 , B01D13/00
CPC分类号： B01D61/08 , B01D63/02 , B01D63/084 , B01D63/16 , B01D2315/02
摘要： Reverse osmosis or ultrafiltration apparatus having first and second rotors revolving in the same direction about a central axis. The first rotor revolves at a higher speed and has an impeller which serves as a feed pump for the feed fluid. The second rotor revolves at lower speed and has a pressure vessel containing semi-permeable membranes which selectively permeate one component of a feed fluid, and has an integral diffuser casing for the feed pump. This arrangement reduces disc friction and diffuser hydraulic losses compared to conventional centrifugal machinery with stationary casings. The membranes are arranged so that centrifuge action within the rotating membrane assembly inhibits fouling and concentration polarization by differential buoyancy effects. The impeller can be centrifugal type with an externally surrounding diffuser, or it can be in an external impeller type enclosing a pitot tube pump type diffuser. Some embodiments include a centripetal energy recovery turbine for the concentrate fluid rejected by the membranes, the turbine runner being mounted on the first rotor remote from, or integral with, the impeller. Alternatively concentrate fluid energy can be recovered by using tangentially disposed nozzles mounted on the second rotor to discharge fluid backwards. Permeate fluid energy can be recovered from permeate nozzles ejecting permeate fluid against an impulse turbine mounted on a third rotor journalled to rotate about the axis at a speed of about one-half of the speed of the second rotor.
摘要翻译：反渗透或超滤设备具有第一和第二转子围绕中心轴在相同方向上旋转。第一转子以更高的速度旋转并且具有用作进料流体的进料泵的叶轮。第二转子以较低速度旋转并且具有包含选择性渗透进料流体的一个组分的半透膜的压力容器，并且具有用于进料泵的整体式扩散器壳体。与具有固定壳体的常规离心机相比，这种布置减少了盘摩擦和扩散器的液压损失。膜被布置成使得旋转膜组件内的离心机动作通过不同的浮力效应来抑制结垢和浓缩极化。叶轮可以是带有外部扩散器的离心式，也可以是包围皮托管泵型扩散器的外部叶轮型。一些实施例包括用于被膜排斥的浓缩液的向心能量回收涡轮机，涡轮流道安装在远离叶轮或与叶轮成一体的第一转子上。或者，浓缩液能够通过使用安装在第二转子上的切向布置的喷嘴来回收来回收流体能量。可以从渗透喷嘴的渗透喷嘴中回收渗透液，以抵靠安装在第三转子上的脉冲涡轮机，该第三转子轴颈以围绕第二转子速度的大约二分之一速度围绕该轴旋转。

49. 发明申请

US20100001220A1 ROTARY FACE SEAL WITH ANTI-CROWNING FEATURES 有权
标题翻译：旋转面封口，具有抗冲击特性
公开(公告)号：US20100001220A1
公开(公告)日：2010-01-07
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： F16K5/00 , F16J15/34 , B23P17/00
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合用于旋转气体分离装置中的旋转阀中的旋转面密封件。

50. 发明授权

US07087331B2 Energy efficient gas separation for fuel cells 有权
公开(公告)号：US07087331B2
公开(公告)日：2006-08-08
申请号：US10039940
申请日：2001-10-26
申请人： Bowie G. Keefer , Denis J. Connor , Carl F. Hunter
发明人： Bowie G. Keefer , Denis J. Connor , Carl F. Hunter
IPC分类号： H01M8/04 , H01M8/06
CPC分类号： B01D53/06 , B01D53/047 , B01D53/0476 , B01D53/261 , B01D2251/306 , B01D2251/606 , B01D2253/104 , B01D2253/108 , B01D2253/25 , B01D2256/12 , B01D2256/16 , B01D2256/22 , B01D2257/504 , B01D2257/80 , B01D2258/0208 , B01D2259/40001 , B01D2259/40005 , B01D2259/4145 , C01B3/56 , C01B13/0259 , C01B2203/043 , C01B2203/0475 , C01B2203/0495 , C01B2203/066 , C01B2203/86 , C01B2210/0046 , C01B2210/0051 , C01B2210/0062 , H01M8/04007 , H01M8/04022 , H01M8/04089 , H01M8/04119 , H01M8/0612 , H01M8/0662 , H01M2008/1293 , H01M2008/147 , Y02C10/08 , Y02E60/526 , Y02P20/123 , Y02P20/131 , Y02P20/152 , Y02P20/57 , Y02P30/30
摘要： An electrical current generating system is disclosed that includes a fuel cell operating at a temperature of at least about 250° C. (for example, a molten carbonate fuel cell or a solid oxide fuel cell), a hydrogen gas separation system or oxygen gas delivery system that includes a compressor or pump, and a drive system for the compressor or pump that includes means for recovering energy from at least one of the hydrogen gas separation system, oxygen gas delivery system, or heat of the fuel cell. The drive system could be a gas turbine system. The hydrogen gas separation system or the oxygen gas delivery system may include a pressure swing adsorption module.

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