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    • 74. 发明授权
    • Purge system for fuel cell with improved cold start performance
    • 具有改善冷启动性能的燃料电池吹扫系统
    • US08497045B2
    • 2013-07-30
    • US12872313
    • 2010-08-31
    • Jae Jun KoNam Woo LeeYoung Min KimSang Uk KwonIk Jae SonWoo Suk SungJong Hyun Lee
    • Jae Jun KoNam Woo LeeYoung Min KimSang Uk KwonIk Jae SonWoo Suk SungJong Hyun Lee
    • H01M8/04
    • H01M8/04231H01M8/04776
    • The present invention provides a purge system for a fuel cell, which can reduce the time required to thaw a frozen valve during cold start-up and reduce the whole start-up time, thus improving the cold start performance. In preferred embodiments, the present invention provides a purge system for a fuel cell with improved cold start performance, the system preferably including a main pipe connected to a purge gas outlet of a fuel cell stack to discharge a purge gas purging the fuel cell stack and impurities; an auxiliary pipe branched from the main pipe; a purge valve installed in each of the main pipe and the auxiliary pipe to perform an purge operation; a cut-off valve installed at an upstream side of the purge valve in the auxiliary pipe; and a controller for controlling the operation of the purge valves and the cut-off valve.
    • 本发明提供一种用于燃料电池的清洗系统,其可以减少在冷启动期间解冻冷冻阀所需的时间并减少整个启动时间,从而提高冷启动性能。 在优选实施例中,本发明提供了一种具有改进的冷启动性能的燃料电池的净化系统,该系统优选地包括连接到燃料电池堆的吹扫气体出口的主管,以排出吹扫燃料电池堆的吹扫气体, 杂质; 从主管分支的辅管; 安装在每个主管和辅助管中的净化阀,以执行清洗操作; 一个安装在辅助管道上的净化阀的上游侧的截止阀; 以及用于控制清洗阀和截止阀的操作的控制器。
    • 76. 发明授权
    • Developing device removably mountable in an image forming apparatus, and image forming apparatus having the same
    • 可拆卸地安装在图像形成装置中的显影装置和具有该显影装置的图像形成装置
    • US08213829B2
    • 2012-07-03
    • US12127177
    • 2008-05-27
    • Jai Il ChoiYoung Min Kim
    • Jai Il ChoiYoung Min Kim
    • G03G21/16
    • G03G21/1853G03G2221/1846G03G2221/1884
    • A developing device and an image forming apparatus having the same include a frame having a knob part, a photosensitive body provided in front of the knob part with respect to a first direction of mounting the developing device, and a rotation guide part provided in front of the photosensitive body with respect to the first direction, and to guide a rotational motion of the developing device. When the developing device is removed from the image forming apparatus, the knob part is rotated upward. A first protrusion is provided on a side surface of the frame to determine a mounting position of the developing device. When the knob part is rotated upward, the first protrusion is rotated in the same direction as the knob part. Accordingly, the developing device has an improved mounting/removing structure adequate to compactly manufacture the image forming apparatus, and improves handling convenience in mounting and removing the developing device.
    • 显影装置和具有该显影装置的图像形成装置包括具有旋钮部分的框架,相对于安装显影装置的第一方向设置在旋钮部分前方的感光体和设置在显影装置前方的旋转引导部分 感光体相对于第一方向,并且引导显影装置的旋转运动。 当从图像形成装置移除显影装置时,把手部分向上旋转。 第一凸起设置在框架的侧表面上以确定显影装置的安装位置。 当旋钮部分向上旋转时,第一突起沿与旋钮部分相同的方向旋转。 因此,显影装置具有适于紧凑地制造图像形成装置的改进的安装/移除结构,并且改善了安装和移除显影装置的处理方便性。