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    • 91. 发明授权
    • Toner replenishment device for use in electrophotographic image forming apparatus
    • 用于电子照相成像设备的调色剂补充装置
    • US07082279B2
    • 2006-07-25
    • US10948578
    • 2004-09-24
    • Ritsuo FujiiSeiji YamaguchiHiroshi Isokawa
    • Ritsuo FujiiSeiji YamaguchiHiroshi Isokawa
    • G03G15/08
    • G03G15/0879
    • A toner replenishment device has: a toner reservoir section for supplying a toner to a development device; a supply fluid conveyance section for conveying a fluid mixture of toner and air from the toner reservoir section through a supply conveying path; a toner separation section for separating the fluid mixture which has been conveyed by the supply fluid conveyance section into the toner and the air and supplying the toner to the development device; a circulation fluid conveyance section for circulating at least air separated from the fluid mixture, from the toner separation section to the toner reservoir section through a circulation conveyance path; and a capacity variable member connected with the supply conveying path or the circulation conveyance path, capable of absorbing a pressure fluctuation of the fluid mixture or the air by varying a capacity of the member.
    • 调色剂补充装置具有:调色剂储存部,用于向显影装置供应调色剂; 供给流体输送部,其通过供给输送路径从调色剂储存部输送调色剂和空气的流体混合物; 调色剂分离部,用于将由供给流体输送部输送的流体混合物分离成调色剂和空气,并将调色剂供给到显影装置; 循环流体输送部分,用于使至少从流体混合物分离的空气通过循环输送路径从调色剂分离部分循环到调色剂储存部分; 以及与供给输送路径或循环输送路径连接的容量变量构件,能够通过改变构件的容量来吸收流体混合物或空气的压力波动。
    • 99. 发明授权
    • Developing device and image forming apparatus having a restricted developer surface level feature
    • 具有受限制的显影剂表面水平特征的显影装置和图像形成装置
    • US06421516B1
    • 2002-07-16
    • US09664072
    • 2000-09-18
    • Masahide KinoshitaSeiji YamaguchiMotoki Adachi
    • Masahide KinoshitaSeiji YamaguchiMotoki Adachi
    • G03G1508
    • G03G15/0822G03G2215/0822
    • A developing device and an image forming apparatus includes a developer container for containing a developer made up of magnetic particles and a toner; a developer carrier for bearing and transporting the developer; a first agitating and transporting unit provided in the developer container, the first agitating and transporting unit transporting the developer while agitating the developer; a second agitating and transporting unit provided in the developer container, the second agitating and transporting unit transporting the developer transported by the first agitating and transporting unit while agitating the developer, thereby supplying the developer to the developer carrier; and a restricting member provided in the developer container, the restricting member restricting passage of an upper portion of the developer transported by the first agitating and transporting unit, thereby achieving a desired developer surface level.
    • 显影装置和图像形成装置包括用于容纳由磁性颗粒构成的显影剂和调色剂的显影剂容器; 用于承载和运输显影剂的显影剂载体; 设置在显影剂容器中的第一搅拌和输送单元,第一搅拌和输送单元在搅拌显影剂的同时运送显影剂; 设置在所述显影剂容器中的第二搅拌和输送单元,所述第二搅拌和输送单元在搅拌所述显影剂的同时输送由所述第一搅拌和输送单元输送的显影剂,从而将所述显影剂供应到所述显影剂载体; 以及设置在显影剂容器中的限制构件,限制构件限制由第一搅拌和输送单元输送的显影剂的上部的通道,从而实现期望的显影剂表面水平。