Method for reducing degradation in a fuel cell
    1.
    发明申请
    Method for reducing degradation in a fuel cell 有权
    降低燃料电池劣化的方法

    公开(公告)号:US20060183006A1

    公开(公告)日:2006-08-17

    申请号:US11055993

    申请日:2005-02-11

    IPC分类号: H01M8/00 H01M8/10

    摘要: The invention is a method of reducing catalyst dissolution in the cathode of a membrane electrode assembly fuel cell, said method comprising the steps of: (a) preparing a membrane electrode assembly comprising an anode, a cathode and a polymer electrolyte membrane interposed between said anode and said cathode; (b) assembling a fuel cell using said membrane electrode assembly; (c) applying a fluid comprising an oxidant to said cathode of said membrane electrode assembly; (d) applying a fluid comprising a fuel to said anode of said membrane electrode assembly; and (e) supplying a sufficient quantity of reducing agent to said cathode to maintain the average open-circuit voltage of said cathode at less than about 0.98 V.

    摘要翻译: 本发明是减少膜电极组件燃料电池阴极中催化剂溶解的方法,所述方法包括以下步骤:(a)制备膜电极组件,其包括阳极,阴极和介于所述阳极之间的聚合物电解质膜 并表示阴极; (b)使用所述膜电极组件组装燃料电池; (c)将包含氧化剂的流体施加到所述膜电极组件的所述阴极; (d)将包含燃料的流体施加到所述膜电极组件的所述阳极; 和(e)向所述阴极供应足量的还原剂,以将所述阴极的平均开路电压维持在小于约0.98V。

    Method and apparatus for operating a fuel cell
    2.
    发明申请
    Method and apparatus for operating a fuel cell 审中-公开
    用于操作燃料电池的方法和装置

    公开(公告)号:US20050221134A1

    公开(公告)日:2005-10-06

    申请号:US10819091

    申请日:2004-04-06

    IPC分类号: H01M8/00 H01M8/04 H01M8/10

    摘要: A method of operating a fuel cell at an operating temperature below about 150 degrees Celsius, wherein the fuel cell has an anode and a cathode with an electrolyte interposed therebetween, the cathode having at least one surface in contact with a cathode chamber having a gas inlet and a gas outlet, and the anode in contact with an anode chamber having a gas inlet and a gas outlet, and the electrolyte containing less than about 500 ppm of a catalyst capable of enhancing the formation of radicals from hydrogen peroxide. The method includes the steps of applying a fuel to the anode chamber; applying an oxidant to the cathode chamber; and controlling the amount of water supplied to the anode chamber and the cathode chamber such that water vapor pressure is sub-saturated at the operating temperature at the gas outlet of the cathode chamber. Also disclosed is an apparatus comprising sensors to measure outlet relative humidity of the gas outlets of a fuel cell and a means to control the relative humidity on the gas inlets of a fuel cell, such that the apparatus can control the relative humidity of the gas inlets to maintain an average relative humidity in the fuel cell of less than 100%.

    摘要翻译: 一种在低于约150摄氏度的工作温度下操作燃料电池的方法,其中所述燃料电池具有阳极和阴极,其间具有电解质,所述阴极具有与具有气体入口的阴极室接触的至少一个表面 和气体出口,阳极与具有气体入口和气体出口的阳极室接触,电解质含有小于约500ppm的能够增强从过氧化氢形成自由基的催化剂。 该方法包括以下步骤:向阳极室施加燃料; 将氧化剂施加到所述阴极室; 以及控制供给到阳极室和阴极室的水量,使得在阴极室的气体出口处的工作温度下水蒸汽压力不足饱和。 还公开了一种装置,其包括用于测量燃料电池的气体出口的出口相对湿度的传感器和用于控制燃料电池的气体入口上的相对湿度的装置,使得该装置可以控制气体入口的相对湿度 以保持燃料电池中的平均相对湿度小于100%。

    System and method for cryogenic cooling

    公开(公告)号:US10156386B2

    公开(公告)日:2018-12-18

    申请号:US13106180

    申请日:2011-05-12

    摘要: In accordance with an embodiment of the invention, there is provided a system for cooling a load. The system comprises a closed loop primary refrigeration system comprising: a primary compressor taking in a primary refrigerant at a low pressure and discharging the primary refrigerant at a high pressure; an insulated enclosure comprising an inlet receiving the primary refrigerant at the high pressure from the primary compressor and an outlet returning the primary refrigerant at the low pressure to the primary compressor; at least one heat exchanger within the insulated enclosure receiving the primary refrigerant at the high pressure and cooling the primary refrigerant using a secondary refrigerant from a secondary refrigeration system, the secondary refrigerant being in heat exchange relationship with the primary refrigerant in the at least one heat exchanger; an expansion unit within the insulated enclosure receiving the primary refrigerant at the high pressure from the at least one heat exchanger and discharging the primary refrigerant at the low pressure; and a supply line delivering the primary refrigerant at the low pressure to the load and a return line returning the primary refrigerant from the load to the primary refrigeration system. The system further comprises the secondary refrigeration system, wherein the secondary refrigeration system comprises at least one secondary cryogenic refrigerator. A system control unit controls operation of at least one of the primary refrigeration system and the secondary refrigeration system to provide a variable refrigeration capacity to the load based on at least one of: a pressure of the primary refrigerant delivered to the load, and at least one temperature of the load.

    Variable focus lens and spectacles
    5.
    发明授权
    Variable focus lens and spectacles 失效
    可变焦距镜头和眼镜

    公开(公告)号:US08441737B2

    公开(公告)日:2013-05-14

    申请号:US12937136

    申请日:2009-04-08

    IPC分类号: G02B3/12

    CPC分类号: G02B3/14 G02C7/085

    摘要: The invention provides a variable focus lens formed from a ring with a front surface and a rear surface, a flexible membrane is attached to a radially inner part of the front surface, and a front cover is attached to a radially outer part of the front surface, a rear cover is provided on the rear surface of the ring, preferably integral with the ring, so that a variable volume cavity is defined between the flexible membrane, the ring and the rear cover, second flexible membrane can be provided between the ring and the rear cover, where the invention also provides a method of filling a variable focus lens, and an adjustment mechanism for varying the focus of the lens.

    摘要翻译: 本发明提供一种由具有前表面和后表面的环形成的可变焦距透镜,柔性膜附接到前表面的径向内部,并且前盖附接到前表面的径向外部部分 在所述环的后表面上设置有后盖,优选地与所述环一体形成,使得在所述柔性膜,所述环和所述后盖之间限定可变容积腔,所述第二柔性膜可以设置在所述环与所述环之间, 后盖,其中本发明还提供了一种填充可变焦距透镜的方法,以及用于改变透镜焦点的调节机构。

    BULK SOLIDIFYING AMORPHOUS ALLOYS WITH IMPROVED MECHANICAL PROPERTIES
    6.
    发明申请
    BULK SOLIDIFYING AMORPHOUS ALLOYS WITH IMPROVED MECHANICAL PROPERTIES 有权
    具有改进的机械性能的块状固溶非晶合金

    公开(公告)号:US20120298266A1

    公开(公告)日:2012-11-29

    申请号:US13364128

    申请日:2012-02-01

    IPC分类号: B22D25/06 C22F1/00

    摘要: Bulk solidifying amorphous alloys exhibiting improved processing and mechanical properties and methods of forming these alloys are provided. The bulk solidifying amorphous alloys are composed to have high Poisson's ratio values. Exemplary Pt-based bulk solidifying amorphous alloys having such high Poisson's ratio values are also described. The Pt-based alloys are based on Pt—Ni—Co—Cu—P alloys, and the mechanical properties of one exemplary alloy having a composition of substantially Pt57.5Cu14.7Ni5.3P22.5 are also described.

    摘要翻译: 提供了表现出改善的加工和机械性能的大量固化非晶合金以及形成这些合金的方法。 大量固化非晶态合金的组成是具有较高的泊松比值。 还描述了具有这样高的泊松比值的示例性的基于Pt的大量固化非晶态合金。 Pt基合金基于Pt-Ni-Co-Cu-P合金,并且还描述了具有基本上Pt57.5Cu14.7Ni5.3P22.5的组成的一种示例性合金的机械性能。

    VALVE DEVICE FOR A VARIABLE FOCUS LENS
    7.
    发明申请
    VALVE DEVICE FOR A VARIABLE FOCUS LENS 失效
    用于变焦聚焦镜头的阀装置

    公开(公告)号:US20120057245A1

    公开(公告)日:2012-03-08

    申请号:US12920773

    申请日:2009-03-04

    IPC分类号: G02B3/14

    CPC分类号: G02B3/14 G02C7/085

    摘要: A valve device for a variable lens comprises: an inlet for receiving fluid from a reservoir; an outlet for passing fluid to a lens cavity; and a valve member, the valve member comprising a passageway for fluid communication between the inlet and outlet and a valve for closing the passageway; wherein the valve is actuated by turning the valve member about an axis of rotation and the passageway extends along the valve member in the axial direction.

    摘要翻译: 用于可变透镜的阀装置包括:用于从储存器接收流体的入口; 用于将流体传送到透镜腔的出口; 以及阀构件,所述阀构件包括用于入口和出口之间流体连通的通道和用于关闭通道的阀; 其中所述阀通过围绕旋转轴线转动所述阀构件来致动并且所述通道沿着所述阀构件在轴向方向上延伸。

    Methods and systems for managing transaction card accounts
    8.
    发明授权
    Methods and systems for managing transaction card accounts 有权
    管理交易卡账户的方法和系统

    公开(公告)号:US08117122B1

    公开(公告)日:2012-02-14

    申请号:US11758745

    申请日:2007-06-06

    IPC分类号: G06Q40/00

    摘要: Methods and systems for managing transaction card accounts in which cardholders are permitted to incur transaction charge balances on existing transaction card accounts and substituting the existing transaction card for each of at least a portion of the plurality of cardholders with a different transaction card product upon an occurrence of one of termination of a private label or co-branded agreement and a predetermined level of inactivity on the transaction card account which has significant additional features and benefits absent from the existing transaction card product.

    摘要翻译: 用于管理交易卡账户的方法和系统,其中持卡人可以在现有交易卡账户上承担交易费用余额,并且在发生时用替换现有交易卡中的至少一部分多个持卡人的不同交易卡产品 私人标签或联合品牌协议的终止之一,以及交易卡帐户上预定的不活动水平,其具有现有交易卡产品不存在的显着附加特征和益处。

    ASSISTIVE MOBILITY DEVICE
    9.
    发明申请
    ASSISTIVE MOBILITY DEVICE 审中-公开
    协调移动设备

    公开(公告)号:US20110240077A1

    公开(公告)日:2011-10-06

    申请号:US13139699

    申请日:2009-12-15

    IPC分类号: A61H3/02 A45B9/02 A45B9/04

    摘要: The present invention is directed to an assistive mobility device, for example a walking stick or a crutch, for ergonomically assisting its user to traverse both urban and more challenging terrain. The device includes an elongated pole to support the user and a hand grip by which the user grips the proximate end of the pole. The hand grip is connected to the pole through a user-adjustable damper for absorbing shock. A variety of interchangeable tips are available for the distal end of the pole to adapt the device for a variety of terrains and uses.

    摘要翻译: 本发明涉及一种辅助移动装置,例如手杖或拐杖,用于人体工程学地协助其用户横穿城市和更具挑战性的地形。 该装置包括一个细长杆,以支撑使用者和一个手柄,用户通过该把手握住杆的近端。 手柄通过用户可调节的阻尼器连接到极柱,用于吸收冲击。 杆的远端可以使用各种可互换的尖端,以使设备适应各种地形和用途。

    Method of forming a glass melt
    10.
    发明申请
    Method of forming a glass melt 有权
    形成玻璃熔体的方法

    公开(公告)号:US20070151297A1

    公开(公告)日:2007-07-05

    申请号:US11323848

    申请日:2005-12-29

    IPC分类号: C03B18/22 C03B5/00

    摘要: A method of forming a glass melt including heating a glass feed material in a first melting furnace to form a glass melt, flowing the glass melt into a second melting furnace through a refractory metal connecting tube, and further heating the glass melt in the second melting furnace. The refractory metal connecting tube is heated to prevent the molten glass from excessive cooling, and to ensure that the glass melt entering the second melting furnace is equal to or greater than the temperature of the glass melt in the second melting furnace. An apparatus for performing the method is also disclosed.

    摘要翻译: 一种形成玻璃熔体的方法,包括在第一熔化炉中加热玻璃原料以形成玻璃熔体,将玻璃熔体通过难熔金属连接管流入第二熔化炉,并在第二熔化中进一步加热玻璃熔体 炉。 加热难熔金属连接管以防止熔融玻璃过度冷却,并且确保进入第二熔化炉的玻璃熔体等于或大于第二熔化炉中的玻璃熔体的温度。 还公开了一种用于执行该方法的装置。