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    • 1. 发明授权
    • Seal configuration for fuel cell stack
    • 燃料电池堆的密封配置
    • US07592088B2
    • 2009-09-22
    • US10925849
    • 2004-08-25
    • Jeffrey A RockMatthew J BeutelScott C Ofslager
    • Jeffrey A RockMatthew J BeutelScott C Ofslager
    • H01M2/08H01M2/00
    • H01M8/0273H01M8/0276H01M8/0284Y02P70/56
    • A seal configuration is provided for a fuel cell stack, including a first bipolar plate and a second bipolar plate, each disposed on opposite sides of a membrane electrode assembly. The seal configuration includes a first sub-gasket adhered to a recess region of the first bipolar plate and a second sub-gasket adhered to a recess region of the second bipolar plate wherein the first and second sub-gaskets are disposed on opposite sides of the membrane electrode assembly. A seal member is disposed in the recessed regions of the first and second bipolar plates and between the first and second sub-gaskets. The seal configuration minimizes the size of the bypass regions around the seal perimeter and provide better control of the positions of all components during assembly of the fuel cell stack. The approach also reduces sensitivity to ambient relative humidity variations and reduces manufacturing costs by eliminating the need for humidity control in the production area.
    • 为包括第一双极板和第二双极板的燃料电池堆提供密封构造,每个设置在膜电极组件的相对侧上。 密封结构包括粘附到第一双极板的凹陷区域的第一子垫圈和粘附到第二双极板的凹陷区域的第二子垫片,其中第一和第二子垫圈设​​置在第二双层板的相对侧上 膜电极组件。 密封构件设置在第一和第二双极板的凹陷区域中以及第一和第二子垫圈之间。 密封构造使围绕密封周边的旁路区域的尺寸最小化,并且在组装燃料电池堆时提供对所有部件的位置的更好控制。 该方法还降低了对环境相对湿度变化的敏感性,并通过消除在生产区域中对湿度控制的需要来降低制造成本。
    • 7. 发明授权
    • Apparatus and method for inspecting and cleaning lips of castings die
    • 用于检查和清洁铸件模具的嘴唇的装置和方法
    • US5391071A
    • 1995-02-21
    • US146263
    • 1993-10-29
    • Roopnarine HazarieEdward S. JonesTimothy R. MahnsVratislav M. MichalScott C. Ofslager
    • Roopnarine HazarieEdward S. JonesTimothy R. MahnsVratislav M. MichalScott C. Ofslager
    • B29C47/08B29C47/14B29C47/92
    • B29C47/0877B29C47/0021B29C47/14
    • Apparatus is disclosed for producing thin polymeric film and includes a source (17) of a solution of polymer and solvent; a casting member (10) having an outer surface (12) for receiving a cast layer (18) of polymer and solvent, the layer having a transverse width; a casting die (16) for casting the layer of polymer and solvent onto the outer surface, the die including a transverse slot (20) with adjacent upstream and downstream lips (22, 24) between which the polymer and solvent flow during casting, the lips having lengths approximating the transverse width of the layer; and a device (11 ) for moving the outer surface past the casting die. Improved devices are provided for optically inspecting (26, 32) the lips to detect a presence of agglomerations of polymer on the lips; for directing a stream of solvent (28, 34) at the lip to wash away any detected agglomeration; for supporting (58, 116) the device for inspecting and the device for directing; and for traversing (44, 48, 52, 64; 90, 96, 106, 120) the device for supporting back and forth along the length of the lip to facilitate inspecting and washing of the lip.
    • 公开了用于生产薄聚合物薄膜并包括聚合物和溶剂溶液的源(17)的装置; 具有用于接收聚合物和溶剂的流延层(18)的外表面(12)的铸造构件(10),所述层具有横向宽度; 一种用于将聚合物和溶剂层浇铸到外表面上的铸模(16),所述模具包括具有相邻上游和下游唇缘(22,24)的横向槽(20),在浇铸过程中聚合物和溶剂在其间流动, 嘴唇的长度近似于该层的横向宽度; 以及用于使外表面移动经过铸模的装置(11)。 提供改进的装置用于光学检查(26,32)唇缘以检测聚合物在嘴唇上的聚集的存在; 用于在嘴唇处引导溶剂流(28,34)以洗去任何检测到的附聚物; 用于支持(58,116)用于检查的装置和用于引导的装置; 并且用于横过(44,48,52,64; 90,96,106,120)用于沿唇缘的长度来回支撑的装置,以便于检查和洗涤唇缘。