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    • 6. 发明申请
    • Developing method, developing device, and image forming apparatus including the developing device that minimizes deterioration of developer
    • 显影方法,显影装置和图像形成装置,其包括使显影剂的劣化最小化的显影装置
    • US20050191095A1
    • 2005-09-01
    • US11049885
    • 2005-02-04
    • Katsuhiro AokiHajime OyamaHiromitsu TakagakiHiroshi Ikeguchi
    • Katsuhiro AokiHajime OyamaHiromitsu TakagakiHiroshi Ikeguchi
    • G03G9/08G03G9/087G03G15/08
    • G03G15/0844
    • A developing device includes a carrying roller configured to carry a developer. A storing section is configured to store the developer. A supplying roller is configured to supply the developer to the carrying roller by contacting the developer to the carrying roller, the supplying roller extending substantially parallel to the carrying roller. A conveying unit is configured to convey the developer stored in the storing section to the supplying roller. The conveying unit includes a pump with a stator having a through-hole, and a rotor disposed in the through-hole of the stator and spirally extended such that a cavity to convey the developer is formed between an outer peripheral surface of the rotor and an inner peripheral surface of the through-hole of the stator, the rotor being configured to convey the developer in the cavity in an axial direction of the rotor by eccentrically rotating. An air supplying unit is configured to supply air to the developer conveyed by the pump to scatter and fluidize the developer.
    • 显影装置包括构造成承载显影剂的承载辊。 存储部分被配置为存储显影剂。 供给辊构造成通过使显影剂与承载辊接触而将显影剂供应到承载辊,供给辊基本上平行于承载辊延伸。 输送单元构造成将存储在存储部中的显影剂输送到供给辊。 输送单元包括具有通孔的定子的泵和设置在定子的通孔中并且螺旋地延伸的转子,使得在转子的外周面和 定子的通孔的内周面,转子构造成通过偏心旋转在转子的轴向方向上输送空腔中的显影剂。 空气供给单元构造成将空气供给到由泵输送的显影剂以使显影剂分散和流化。
    • 7. 发明授权
    • Developing device, and image forming apparatus and process cartridge using the developing device
    • 显影装置,以及使用显影装置的图像形成装置和处理盒
    • US07480475B2
    • 2009-01-20
    • US11363052
    • 2006-02-28
    • Yasuo MiyoshiHajime OyamaKatsuhiro AokiHiroshi IkeguchiDaichi Yamaguchi
    • Yasuo MiyoshiHajime OyamaKatsuhiro AokiHiroshi IkeguchiDaichi Yamaguchi
    • G03G15/08
    • G03G15/0808G03G15/0812G03G2215/0634
    • A developing device including a rotating developing roller bearing toner thereon, capable of developing an electrostatic latent image with the toner; a toner layer forming member configured to form a toner layer on the developing roller, and charge the toner of the toner layer at a nip between the developing roller and the toner layer forming member; and a toner supplying device configured to supply fresh toner to the developing device, wherein a charge quantity (q) of the toner on the developing roller varies according to the following equation q(t)=A·{1−exp(−t/tg)} wherein t represents a nip passing time of the toner on the developing roller, tg represents a time constant of charging the toner, and A represents a constant, and wherein the time constant tg is smaller than a rotation time of the developing roller per rotation;and an image forming apparatus and a process cartridge using the developing device.
    • 一种显影装置,包括在其上承载调色剂的旋转显影辊,能够利用调色剂显影静电潜像; 调色剂层形成部件,被配置为在所述显影辊上形成调色剂层,并且在所述显影辊和所述调色剂层形成部件之间的辊隙处对所述调色剂层的调色剂充电; 以及调色剂供应装置,其被配置为向显影装置供应新鲜的调色剂,其中显影辊上的调色剂的电荷量(q)根据以下等式q(t)= A。{1-exp(-t / tg)}其中t表示调色剂在显影辊上的辊隙通过时间,tg表示对调色剂充电的时间常数,A表示常数,并且其中时间常数tg小于显影辊的旋转时间 每轮 以及使用该显影装置的图像形成装置和处理盒。