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    • 40. 发明授权
    • Development apparatus, image forming apparatus, and developer transfer method
    • 显影装置,成像装置和显影剂转印方法
    • US07650100B2
    • 2010-01-19
    • US11456986
    • 2006-07-12
    • Hiroshi MurataMinoru YoshidaTakashi Hatakeyama
    • Hiroshi MurataMinoru YoshidaTakashi Hatakeyama
    • G03G15/08
    • G03G15/0849G03G15/0853G03G15/0893G03G2215/0607G03G2215/0852
    • There is provided a technique in which in a development apparatus to perform replacement of developer, the amount of developer can be stably kept irrespective of a change in a physical property of the developer. There are included a development apparatus that circulates and conveys a developer supplied at a specified timing in a specified conveying chamber and causes the developer to overflow through a discharge port provided in the conveying chamber, a fluidity judgment unit to judge a degree of fluidity of the developer in the conveying chamber, and a speed control unit to control a conveying speed of the developer in a specified range near the discharge port in the conveying chamber to become low relative to an average value of a conveying speed of the developer in a conveying passage except the specified range when the fluidity judged by the fluidity judgment unit is low.
    • 提供了一种技术,其中在显影装置中执行显影剂的更换,可以稳定地保持显影剂的量,而与显影剂的物理性质的变化无关。 包括在指定的输送室中循环输送在指定时刻供给的显影剂并使显影剂通过设置在输送室中的排出口溢出的显影装置,流动性判断单元,用于判断流动性的程度 显影剂,以及速度控制单元,用于控制显影剂在输送室中的排出口附近的指定范围内的输送速度相对于输送通道中的显影剂的输送速度的平均值变低 当由流动性判断单元判断的流动性低时指定的范围除外。