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    • 97. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20110206392A1
    • 2011-08-25
    • US13030589
    • 2011-02-18
    • Takashi HiratsukaShinji YamamotoYasumi YoshidaToshihiro FukasakaTadashi MatsumotoSumitoshi Sotome
    • Takashi HiratsukaShinji YamamotoYasumi YoshidaToshihiro FukasakaTadashi MatsumotoSumitoshi Sotome
    • G03G15/16
    • G03G15/161G03G15/1615G03G15/50G03G2215/00156
    • An image forming apparatus includes a rotatable belt member; an image forming station for forming an image on the belt member or a recording material carried on the belt member in a region opposing the belt member; first detecting means for detecting a position of the belt member with respect to a widthwise direction of the belt member; a first steering roller for correcting the position of the belt member with respect to the widthwise direction by inclination; first controller for controlling an inclination of first steering roller on the basis of an output of the first detecting means; second detecting means for detecting the position of the belt member; a second steering roller for correcting the position of the belt member with respect to the widthwise direction by inclination; calculating means for calculating such an amount of inclination of the second steering roller that a movement distance of the belt member is not more than a predetermined value in a state that an inclination of first steering roller is set to a predetermined value; and second controller for controlling the inclination of the second steering roller in accordance with an output of the second detecting means with the amount of inclination calculated by the calculating means being a median value.
    • 图像形成装置包括:可转动的带构件; 用于在带构件上形成图像的图像形成站或与带构件相对的区域中承载在带构件上的记录材料; 第一检测装置,用于检测带构件相对于带构件的宽度方向的位置; 用于通过倾斜来校正所述带构件相对于所述宽度方向的位置的第一转向辊; 第一控制器,用于根据第一检测装置的输出控制第一转向辊的倾斜; 第二检测装置,用于检测带构件的位置; 用于通过倾斜来校正所述带构件相对于所述宽度方向的位置的第二转向辊; 计算装置,用于计算在第一转向辊的倾斜被设定为预定值的状态下,所述带构件的移动距离不大于预定值的所述第二转向辊的倾斜度; 以及第二控制器,用于根据第二检测装置的输出控制第二转向辊的倾斜,其中计算装置计算的倾斜量为中值。
    • 99. 发明授权
    • Polymer electrolyte fuel cell
    • 聚合物电解质燃料电池
    • US07901836B2
    • 2011-03-08
    • US11791679
    • 2005-11-01
    • Atsushi OhmaShinji Yamamoto
    • Atsushi OhmaShinji Yamamoto
    • H01M4/02
    • H01M4/92H01M4/8835H01M4/921H01M4/926H01M8/04223H01M8/1004H01M8/241H01M8/2457
    • For a combination of a solid polymer electrolyte membrane 107, catalytic layers 111 and 113 disposed on both sides of the solid polymer electrolyte membrane 107, gas diffusion layers 112 and 114 disposed outside the catalytic layers 111 and 113, and separators 103 and 104 disposed outside the gas diffusion layers 112 and 114, the catalytic layer 113 to be cathode-sided includes a carbon carrier 117 composed of carbon having a mean lattice plane spacing d002 of [002] planes calculated from an X-ray diffraction within a range of 0.343 nm to 0.358 nm, a crystallite size Lc within a range of 3 nm to 10 nm, and a specific surface area within a range of 200 m2/g to 300 m2/g, catalyst particles 115 containing platinum supported on the carbon carrier 117, and an electrolyte 116. According to the invention, a polymer electrolyte fuel cell is allowed to prevent a corroding deterioration of carbon carriers in the cathode catalytic layer in start and stop of the fuel cell, allowing for an enhanced stable output over a long term.
    • 对于固体高分子电解质膜107,设置在固体高分子电解质膜107两侧的催化剂层111和113,设置在催化剂层111和113外部的气体扩散层112和114以及设置在外部的隔板103和104的组合 气体扩散层112和114,作为阴极侧的催化剂层113包括碳载体117,其由具有由0.333nm范围内的X射线衍射计算出的[002]面的平均晶格面间距d002的碳构成 至0.358nm,在3nm至10nm的范围内的微晶尺寸Lc,200m 2 / g至300m 2 / g范围内的比表面积,载于碳载体117上的载有铂的催化剂颗粒115,以及 电解质116.根据本发明,允许聚合物电解质燃料电池防止燃料电池开始和停止时阴极催化剂层中碳载体的腐蚀变坏,从而增强 长期稳定的产量。