Developing device and developing method for image forming apparatus
    11.
    发明授权
    Developing device and developing method for image forming apparatus 有权
    图像形成装置的显影装置及显影方法

    公开(公告)号:US08238798B2

    公开(公告)日:2012-08-07

    申请号:US12833177

    申请日:2010-07-09

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0848 G03G2215/06

    摘要: According to an embodiment, a developing device, comprising: a developing unit configured to store an initial two-component developer including an initial toner containing silica externally added and a carrier and to form a toner image on an image bearing member with the two-component developer; a discharging section configured to discharge a part of the initial developer from the developing unit; and a developer supplying unit configured to supply a supply developer including a supply toner containing silica externally added and the carrier to the developing unit, the amount of silica added to the supply toner being smaller than the amount of silica added to the initial toner.

    摘要翻译: 根据一个实施方案,一种显影装置,包括:显影单元,其被配置为存储初始的双组分显影剂,其包含外部添加有二氧化硅的初始调色剂和载体,并在图像承载部件上形成具有双组分 开发商 排出部,其构造成从所述显影单元排出所述初始显影剂的一部分; 以及显影剂供应单元,其构造成将包含含有外部添加的二氧化硅的供给调色剂的供应显影剂和载体供给到显影单元,添加到供给调色剂中的二氧化硅的量小于添加到初始调色剂中的二氧化硅的量。

    Developing device
    12.
    发明授权
    Developing device 有权
    开发设备

    公开(公告)号:US08131186B2

    公开(公告)日:2012-03-06

    申请号:US12327918

    申请日:2008-12-04

    IPC分类号: G03G15/08

    摘要: In an embodiment, a contact pivoting plate, which comes into contact with a developer swelled by a discharge mixer, is provided in a case. The contact pivoting plate is pivoted according to a detection result of a temperature and humidity sensor to change the magnitude of resistance by the contact pivoting plate with respect to a flow of the developer. The height of the swell of the developer is suppressed from fluctuating according to an environmental change. The fluctuation in an amount of an excess developer discharged from a discharge port is suppressed to replace a deteriorated carrier in a development container with a new carrier little by little.

    摘要翻译: 在一个实施例中,在一种情况下提供了一种与通过排放混合器膨胀的显影剂接触的接触枢转板。 接触枢转板根据温度和湿度传感器的检测结果来转动,以相对于显影剂流动改变接触枢转板的电阻大小。 根据环境变化,显影剂膨胀的高度被抑制为波动。 从排出口排出的过量显影剂的量的波动被抑制,以逐渐替代新载体的显影容器中的劣化载体。

    IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
    13.
    发明申请
    IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 审中-公开
    图像形成装置和图像形成方法

    公开(公告)号:US20110064429A1

    公开(公告)日:2011-03-17

    申请号:US12871062

    申请日:2010-08-30

    IPC分类号: G03G15/08 G03G15/00

    摘要: According to one embodiment, an image forming apparatus includes a developing unit configured to store a developer includes a toner and a carrier and to form a developer image, a toner attachment amount detection portion configured to detect an attachment amount of a toner formed on a photoconductor or an intermediate transfer body, a developing bias voltage change portion configured to change a plurality of developing bias voltages including a developing contrast voltage in a manner that the detected attachment amount of the toner becomes a value in a predetermined range, a carrier supply time correction portion configured to correct a carrier supply time in response to the value of the changed developing contrast voltage, and a carrier supply portion configured to supply a carrier in a corrected carrier supply time at a predetermined timing.

    摘要翻译: 根据一个实施例,图像形成装置包括:显影单元,被配置为存储包含调色剂和载体的显影剂并形成显影剂图像;调色剂附着量检测部分,被配置为检测形成在感光体上的调色剂的附着量 或中间转印体,显影偏压电压变化部分,被配置为以检测到的调色剂附着量成为预定范围的值来改变包括显影对比度电压的多个显影偏压,载体供给时间校正 配置为响应于改变的显影对比度电压的值来校正载波供应时间的部分,以及被配置为在预定定时在补偿的载波供给时间内提供载波的载波供给部。

    IMAGE FORMING APPARATUS, METHOD OF DETERMINING DETERIORATION DEGREE OF DEVELOPMENT AGENT, AND PROGRAM OF DETERMINING DETERIORATION DEGREE OF DEVELOPMENT AGENT
    14.
    发明申请
    IMAGE FORMING APPARATUS, METHOD OF DETERMINING DETERIORATION DEGREE OF DEVELOPMENT AGENT, AND PROGRAM OF DETERMINING DETERIORATION DEGREE OF DEVELOPMENT AGENT 有权
    图像形成装置,确定发展代理的确定程度的方法和开发代理的确定程度的程序

    公开(公告)号:US20090232525A1

    公开(公告)日:2009-09-17

    申请号:US12404503

    申请日:2009-03-16

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0849

    摘要: The present invention provides a technique to accurately grasp a deterioration state of a development agent in a development device, in a development system which supplies a new development agent consisting of a toner and a carrier and discharges an deteriorated development agent to maintain a performance of a development agent in a development device.An image forming apparatus according to the present invention includes a stirring information obtaining section configured to obtain information of a stirring time of the development agent in the development device, a supply information obtaining section configured to obtain information of an amount of the carrier supplied into the development device, and a deterioration degree determining section configured to determine a deterioration degree of the development agent in the development device on the basis of the information obtained by the stirring information obtaining section and the supply information obtaining section.

    摘要翻译: 本发明提供一种在显影系统中精确地掌握显影剂在显影装置中的劣化状态的技术,该显影系统提供由调色剂和载体构成的新的显影剂,并且使劣化的显影剂排出以维持 开发代理在开发设备中。 根据本发明的图像形成装置包括:搅拌信息获取部,被配置为获取显影装置中的显影剂的搅拌时间的信息;供给信息获取部,被配置为获得供给到所述显影剂的载体的量的信息; 显影装置和劣化程度确定部分,被配置为基于由搅拌信息获取部分和供应信息获取部分获得的信息来确定显影装置中的显影剂的劣化程度。

    DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
    15.
    发明申请
    DEVELOPING DEVICE AND IMAGE FORMING APPARATUS 审中-公开
    开发设备和图像形成装置

    公开(公告)号:US20080170885A1

    公开(公告)日:2008-07-17

    申请号:US11966322

    申请日:2007-12-28

    IPC分类号: G03G15/08

    摘要: A developing device that enables stable discharge of a developer from a developer discharge port, and an image forming apparatus having this developing device are provided.A developing device in which a developer is supplied to a developing roller and the developer is carried while it is stirred, includes: a developer passage through which the developer can be carried; a carrying member which is provided in the developer passage and has a rotary shaft and a rotary wing spirally provided along an outer circumference of the rotary shaft, in which the rotary wing rotates about the rotary shaft, thereby carrying the developer into a carrying direction along the rotary shaft, and which has a first section where the rotary wing has a constant characteristic in the carrying direction and a second section where the characteristic of the rotary wing gradually changes with respect to position in the carrying direction; and a discharge port provided at a position in the carrying direction that is in a section overlapping the second section or a section downstream of the second section in the carrying direction, and adapted for discharging the developer having a surface height of a predetermined value or more, from the developer passage.

    摘要翻译: 提供一种使显影剂从显影剂排出口稳定地排出的显影装置和具有该显影装置的图像形成装置。 一种显影装置,其中显影剂被供应到显影辊,并且显影剂在搅拌的同时被携带,包括:显影剂通道,显影剂可以通过该显影剂通道携带; 传送构件,其设置在显影剂通道中,并具有旋转轴和沿旋转轴的外周螺旋地设置的旋转翼,旋转翼围绕旋转轴旋转,从而将显影剂带入沿着输送方向 旋转轴,其具有旋转翼在运送方向上具有恒定特性的第一部分和旋转翼的特性相对于运送方向上的位置逐渐变化的第二部分; 以及排出口,设置在与输送方向上的第二部分或第二部分下游的部分重叠的部分中的输送方向上的位置,并且适于排出具有预定值以上的表面高度的显影剂 ,从开发者通道。

    Developing device
    16.
    发明授权
    Developing device 有权
    开发设备

    公开(公告)号:US08045897B2

    公开(公告)日:2011-10-25

    申请号:US12550639

    申请日:2009-08-31

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0893 G03G15/0877

    摘要: A developing device includes a developer tank configured to contain a developer including a toner and a carrier, the developer tank having a discharge port which is provided in a lateral side surface of the developer tank and configured to discharge the developer, a developing agent supplier configured to develop a latent image by using the toner contained in the developer tank, and a plate-shaped member configured to be formed in a direction of height from a lower end of the discharge port and partially cover the discharge port to regulate the discharge of the developer.

    摘要翻译: 显影装置包括:显影剂罐,其构造成容纳包含调色剂和载体的显影剂,所述显影剂罐具有排出口,所述排出口设置在所述显影剂罐的侧面上,并构造成排出所述显影剂;显影剂供应器配置 通过使用包含在显影剂罐中的调色剂来显影潜像;以及板状构件,其被构造成从排出口的下端沿高度方向形成,并且部分地覆盖排出口以调节排出口 开发者

    IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
    17.
    发明申请
    IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 审中-公开
    图像形成装置和图像形成方法

    公开(公告)号:US20110064435A1

    公开(公告)日:2011-03-17

    申请号:US12872016

    申请日:2010-08-31

    IPC分类号: G03G15/10 G03G13/10

    CPC分类号: G03G15/0877 G03G2215/0827

    摘要: According to one embodiment, an image forming apparatus includes a supply device that supplies developer includes toner and carrier, a developing device configured to accommodate the developer includes toner and carrier in a manner that the developer is stirred and transported therein, and configured to discharge the developer in an overflow manner through a discharge opening, a screw that stirs and transports the developer in the developing device, and a control unit configured to change the rotation speed of the screw based on a predetermined index which varies in accordance with supply and consumption of the developer or an environmental condition when development is performed.

    摘要翻译: 根据一个实施例,图像形成装置包括:供给装置,其供给显影剂,包括调色剂和载体;构造成容纳显影剂的显影装置,包括调色剂和载体,使得显影剂在其中被搅拌和输送, 显影剂以溢出的方式通过排出口,搅拌和输送显影装置中的显影剂的螺杆;以及控制单元,其被配置为基于根据供给和消耗而变化的预定指数来改变螺杆的转速 开发人员或开发过程中的环境条件。

    IMAGE FORMING APPARATUS, DEVELOPING DEVICE AND DEVELOPER DISCHARGE MECHANISM
    18.
    发明申请
    IMAGE FORMING APPARATUS, DEVELOPING DEVICE AND DEVELOPER DISCHARGE MECHANISM 有权
    图像形成设备,开发设备和开发者放电机制

    公开(公告)号:US20100008701A1

    公开(公告)日:2010-01-14

    申请号:US12499207

    申请日:2009-07-08

    IPC分类号: G03G15/08

    摘要: In order to provide an image forming apparatus capable of maintaining the image quality by making smooth flowability of a surplus developer, which is discharged according to supply of a new developer (toner and carrier), toward a collection box, there are provided a stirring screw that electrify toner by stirring the toner together with a carrier; a casing that supports the stirring screw and stores a developer in which the toner and the carrier are mixed; a inlet used to supply the developer to the casing; a guide that guides the surplus developer discharged from the casing downward; and a reciprocating member that moves on a flow surface of the guide along which the surplus developer flows.

    摘要翻译: 为了提供一种能够通过使根据新显影剂(调色剂和载体)的供应而排出的多余显影剂的流畅性而保持图像质量的图像形成装置朝向收集箱,设置有搅拌螺杆 通过与载体一起搅拌调色剂来使调色剂带电; 壳体,其支撑搅拌螺杆并储存调色剂和载体混合在其中的显影剂; 用于将显影剂供应到壳体的入口; 将从壳体排出的剩余显影剂向下引导的引导件; 以及在所述引导件的流动表面上移动的往复运动构件,所述多个显影剂沿着所述流动表面移动。

    Developing device, process cartridge and image forming apparatus
    19.
    发明授权
    Developing device, process cartridge and image forming apparatus 失效
    显影装置,处理盒和成像装置

    公开(公告)号:US07383002B2

    公开(公告)日:2008-06-03

    申请号:US11344130

    申请日:2006-02-01

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0822 G03G21/12

    摘要: A developer vent is provided on the wall of the developer container housing developer including toner and carrier for the developing device to overflow developer. The sectional shape of the discharge dam forming the developer vent in the vertical direction to the developer vent is such that the top part of the dam is made thinner than the wall thickness of the developer container and the slanting angle of the dam to the wall of the developer container is made larger than the repose angle of the developer.

    摘要翻译: 显影剂排气口设置在显影剂容器外壳显影剂的壁上,包括用于显影装置的调色剂和载体以溢出显影剂。 形成显影剂排出口的显影剂排出口在与显影剂排出口垂直的方向上的截面形状使得坝的顶部被制成比显影剂容器的壁厚更薄并且坝的壁的倾斜角 显影剂容器被制成大于显影剂的静止角度。

    Developing apparatus
    20.
    发明授权
    Developing apparatus 有权
    开发设备

    公开(公告)号:US08244161B2

    公开(公告)日:2012-08-14

    申请号:US12550619

    申请日:2009-08-31

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0844 G03G15/0894

    摘要: A developing apparatus includes a tank configured to contain a developing agent including a toner and a carrier, the tank having a discharge port configured to discharge the developing agent overflowing from the tank, a supplier configured to develop a latent image by using the toner contained in the tank, a replenisher configured to contain the developing agent and to replenish the developing agent into the tank, and a controller configured to estimate an amount of the developing agent in the tank in according with the amount of the supplied developing agent and the amount of the replenished developing agent and to execute a forced discharge for forcibly discharging the developing agent contained in the tank from the discharge port based on the estimated amount of developing agent.

    摘要翻译: 一种显影装置,包括:容纳构造成容纳包含调色剂和载体的显影剂的容器,所述容器具有排出端口,所述排出口配置成排出从罐溢出的显影剂;供给器,其构造成通过使用包含在 所述容器,配置为容纳所述显影剂并将所述显影剂补充到所述罐中的补充剂,以及控制器,其被配置为根据所提供的显影剂的量和所述显影剂的量来估计所述显影剂的量, 补充显影剂,并且基于估计的显影剂量,执行从排出口强制排出包含在罐中的显影剂的强制排出。