Edge stress relief in diffusion media
    71.
    发明授权
    Edge stress relief in diffusion media 有权
    扩散介质中的边缘应力消除

    公开(公告)号:US07597983B2

    公开(公告)日:2009-10-06

    申请号:US10925754

    申请日:2004-08-25

    IPC分类号: H01M2/00 H01M2/08

    摘要: A diffusion media for use in a PEM fuel cell which includes a relieved edge region relative to the interior region of the diffusion media. The outer perimeter or portion of the diffusion media that will interface with a sealing gasket is pre-compressed. The pre-compressed diffusion media lowers the compression stress on the MEA at the gasket interfaces, enabling a more uniform compression on the entirety of the MEA surfaces during the build, compression, and later operation of a fuel cell stack.

    摘要翻译: 用于PEM燃料电池的扩散介质,其包括相对于扩散介质的内部区域的缓和边缘区域。 预先压缩与密封衬垫相接的扩散介质的外周或部分。 预压缩的扩散介质降低了衬垫接口处的MEA上的压缩应力,使得在燃料电池堆的构建,压缩和随后的操作期间在整个MEA表面上能够进行更均匀的压缩。

    FLEXIBLE BIPOLAR PLATE
    72.
    发明申请
    FLEXIBLE BIPOLAR PLATE 有权
    柔性双极板

    公开(公告)号:US20080286619A1

    公开(公告)日:2008-11-20

    申请号:US12139153

    申请日:2008-06-13

    申请人: Yeh-Hung Lai

    发明人: Yeh-Hung Lai

    IPC分类号: H01M8/00

    摘要: The present invention provides for a construction for a bipolar plate for a fuel cell stack that enables the bipolar plate to be a more compliant member in the fuel cell stack. The bipolar plate can be configured to provide varying levels of compliance, as demanded by the design of the fuel cell stack. The bipolar plate can be more compliant than the diffusion media members and the active elements used to form the individual fuel cells. The compliant nature of the individual bipolar plates enables localized dimensional changes that occur within the fuel cell stack to be compensated by a localized deformation of the portions of the bipolar plate within that region. The bipolar plate has an internal coolant flow field where some opposing pairs of lands are spaced apart with a gap therebetween while other opposing pairs of lands are in contact with one another.

    摘要翻译: 本发明提供了一种用于燃料电池堆的双极板的结构,其使得双极板能够在燃料电池堆中成为更顺从的构件。 双极板可以被配置为提供不同程度的顺应性,如燃料电池堆的设计所要求的。 双极板可以比用于形成单个燃料电池的扩散介质构件和活性元件更柔顺。 各个双极板的顺应性使得在燃料电池堆内发生的局部尺寸变化能够被该区域内的双极板的部分的局部变形所补偿。 双极板具有内部冷却剂流动场,其中一些相对的焊盘对间隔开,而其它相对的焊盘对彼此接触。

    Imaging assembly and media cartridge having cooperating linkage arrangements
    75.
    发明授权
    Imaging assembly and media cartridge having cooperating linkage arrangements 失效
    成像组件和介质盒具有协作联动装置

    公开(公告)号:US06390694B1

    公开(公告)日:2002-05-21

    申请号:US09597928

    申请日:2000-06-19

    IPC分类号: G03B2700

    CPC分类号: G03F7/003

    摘要: An imaging assembly includes a media cartridge for holding a stack of media therein. The media cartridge includes a linkage assembly at least a portion of which is made of a material that is responsive to ambient conditions within the cartridge. An image forming device of the imaging assembly is adapted to control a development of images on the photosensitive media based on the sensed ambient conditions.

    摘要翻译: 成像组件包括用于在其中保持介质堆叠的介质盒。 介质盒包括连杆组件,其连杆组件的至少一部分由对盒内的环境条件作出响应的材料制成。 成像组件的图像形成装置适于基于感测到的环境条件来控制光敏介质上的图像的显影。