Fixing device and image forming apparatus
    1.
    发明授权
    Fixing device and image forming apparatus 有权
    固定装置和成像装置

    公开(公告)号:US08295752B2

    公开(公告)日:2012-10-23

    申请号:US12561819

    申请日:2009-09-17

    IPC分类号: G03G15/20

    CPC分类号: G03G15/2039 G03G2215/2035

    摘要: The fixing device includes: a fixing member including a conductive layer capable of self-heating by electromagnetic induction; a drive unit rotationally driving the fixing member; a magnetic field generating member generating an alternate-current magnetic field intersecting with the conductive layer; a fixation pressing member movable so as to come into pressure contact with an outer circumferential surface of the fixing member and to separate from the outer circumferential surface; and a temperature measurement unit that includes a temperature detector and a support portion, that measures temperature of the fixing member with the temperature detector which is pressed by the support portion to be brought into contact with an inner circumferential surface of the fixing member, and that holds a contact state between the temperature detector and the inner circumferential surface in every state where the fixing member is displaced in accordance with movement of the fixation pressing member.

    摘要翻译: 定影装置包括:固定构件,其包括能够通过电磁感应自加热的导电层; 旋转地驱动所述固定构件的驱动单元; 产生与导电层交叉的交流磁场的磁场产生部件; 固定按压构件,其能够与所述固定构件的外周面压力接触并与所述外周面分离; 以及温度测量单元,其包括温度检测器和支撑部分,所述温度测量单元利用被所述支撑部分按压以与所述固定构件的内周面接触的所述温度检测器来测量所述固定构件的温度,并且 在固定构件根据定影按压构件的移动而移位的状态下,在温度检测器和内周面之间保持接触状态。

    FIXING DEVICE AND IMAGE FORMING APPARATUS
    2.
    发明申请
    FIXING DEVICE AND IMAGE FORMING APPARATUS 有权
    固定装置和图像形成装置

    公开(公告)号:US20100215390A1

    公开(公告)日:2010-08-26

    申请号:US12561819

    申请日:2009-09-17

    IPC分类号: G03G15/20

    CPC分类号: G03G15/2039 G03G2215/2035

    摘要: The fixing device includes: a fixing member including a conductive layer capable of self-heating by electromagnetic induction; a drive unit rotationally driving the fixing member; a magnetic field generating member generating an alternate-current magnetic field intersecting with the conductive layer; a fixation pressing member movable so as to come into pressure contact with an outer circumferential surface of the fixing member and to separate from the outer circumferential surface; and a temperature measurement unit that includes a temperature detector and a support portion, that measures temperature of the fixing member with the temperature detector which is pressed by the support portion to be brought into contact with an inner circumferential surface of the fixing member, and that holds a contact state between the temperature detector and the inner circumferential surface in every state where the fixing member is displaced in accordance with movement of the fixation pressing member.

    摘要翻译: 定影装置包括:固定构件,其包括能够通过电磁感应自加热的导电层; 旋转地驱动所述固定构件的驱动单元; 产生与导电层交叉的交流磁场的磁场产生部件; 固定按压构件,其能够与所述固定构件的外周面压力接触并与所述外周面分离; 以及温度测量单元,其包括温度检测器和支撑部分,所述温度测量单元利用被所述支撑部分按压以与所述固定构件的内周面接触的所述温度检测器来测量所述固定构件的温度,并且 在固定构件根据定影按压构件的移动而移位的状态下,在温度检测器和内周面之间保持接触状态。

    FIXING DEVICE AND IMAGE FORMING APPARATUS
    4.
    发明申请
    FIXING DEVICE AND IMAGE FORMING APPARATUS 审中-公开
    固定装置和图像形成装置

    公开(公告)号:US20100247185A1

    公开(公告)日:2010-09-30

    申请号:US12568186

    申请日:2009-09-28

    IPC分类号: G03G15/20

    CPC分类号: G03G15/2064 G03G2215/2035

    摘要: The fixing device includes: a fixing member including a conductive layer, and fixing toner on a recording medium by heat generation of the conductive layer by electromagnetic induction; a magnetic field generating member generating an alternate-current magnetic field intersecting with the conductive layer; and a magnetic path forming member that has an outer circumferential surface arranged to be in contact with an inner circumferential surface of the fixing member, that forms a magnetic path of the alternate-current magnetic field generated by the magnetic field generating member, and that includes: a magnetic layer having a changing range within a temperature range of about 20 degrees C., the changing range allowing a magnetic property of the magnetic layer to change between ferromagnetic and a paramagnetic properties in accordance with temperature; and an outer circumferential layer made of any one of or both chromium nitride as CrN and chromium nitride as Cr2N.

    摘要翻译: 定影装置包括:固定构件,其包括导电层,并且通过电磁感应通过导电层的发热将调色剂定影在记录介质上; 产生与导电层交叉的交流磁场的磁场产生部件; 以及磁路形成构件,其具有被配置成与所述固定构件的内周面接触的外周面,其形成由所述磁场产生构件产生的所述交流磁场的磁路,并且包括 :在大约20摄氏度的温度范围内具有变化范围的磁性层,允许磁性层的磁特性根据温度在铁磁性和顺磁性之间变化的变化范围; 以及作为CrN和氮化铬作为Cr 2 N的任一种或两种氮化铬制成的外周层。

    Fixing device and image-forming apparatus
    5.
    发明授权
    Fixing device and image-forming apparatus 有权
    固定装置和图像形成装置

    公开(公告)号:US07647017B2

    公开(公告)日:2010-01-12

    申请号:US11878421

    申请日:2007-07-24

    IPC分类号: G03G15/20

    CPC分类号: G03G15/2039 G03G2215/2035

    摘要: Fixing device includes a first cylindrical rotating member having an inner peripheral surface and an outer peripheral surface; a second rotating member which is brought into contact with the first rotating member; magnetic field generation units for generating a magnetic field, the magnetic field generation units being provided at a predetermined distance from the inner or outer peripheral surface of the first rotating member; and a heat generation member that generates heat by a magnetic field, the heat generation member being provided so as to be opposed to the magnetic field generation units across the first rotating member and to be in contact with the first rotating member, having a thickness larger than a skin depth, and containing a magnetic metal material.

    摘要翻译: 定影装置包括具有内周面和外周面的第一圆柱形旋转构件; 与第一旋转构件接触的第二旋转构件; 用于产生磁场的磁场产生单元,所述磁场产生单元设置在距离所述第一旋转构件的内周面或外周面的预定距离处; 以及通过磁场产生热量的发热部件,所述发热部件设置成与所述第一旋转部件的所述磁场产生部相对,并且与所述第一旋转部件接触,所述发热部件的厚度较大 比皮肤深度,并含有磁性金属材料。

    Fixing device and image-forming apparatus
    6.
    发明申请
    Fixing device and image-forming apparatus 有权
    固定装置和图像形成装置

    公开(公告)号:US20080124147A1

    公开(公告)日:2008-05-29

    申请号:US11878421

    申请日:2007-07-24

    IPC分类号: G03G15/20

    CPC分类号: G03G15/2039 G03G2215/2035

    摘要: Fixing device includes a first cylindrical rotating member having an inner peripheral surface and an outer peripheral surface; a second rotating member which is brought into contact with the first rotating member; magnetic field generation units for generating a magnetic field, the magnetic field generation units being provided at a predetermined distance from the inner or outer peripheral surface of the first rotating member; and a heat generation member that generates heat by a magnetic field, the heat generation member being provided so as to be opposed to the magnetic field generation units across the first rotating member and to be in contact with the first rotating member, having a thickness larger than a skin depth, and containing a magnetic metal material.

    摘要翻译: 定影装置包括具有内周面和外周面的第一圆筒状旋转构件; 与第一旋转构件接触的第二旋转构件; 用于产生磁场的磁场产生单元,所述磁场产生单元设置在距离所述第一旋转构件的内周面或外周面的预定距离处; 以及通过磁场产生热量的发热部件,所述发热部件设置成与所述第一旋转部件的所述磁场产生部相对,并且与所述第一旋转部件接触,所述发热部件的厚度较大 比皮肤深度,并含有磁性金属材料。

    Fixing apparatus, image forming apparatus and fixing apparatus heating method
    8.
    发明申请
    Fixing apparatus, image forming apparatus and fixing apparatus heating method 有权
    固定装置,成像装置和定影装置加热方法

    公开(公告)号:US20070047991A1

    公开(公告)日:2007-03-01

    申请号:US11391337

    申请日:2006-03-29

    IPC分类号: G03G15/20

    摘要: A fixing apparatus for fixing an unfixed image on a recording material includes: a heating member having a conductive layer, that is rotatably provided; a pressure member that is rotatably provided and that is brought into press-contact with the heating member, thereby forms a fixing nip part to pass the recording material between the pressure member and the heating member; a heating unit that performs induction heating on the heating member via the conductive layer; a driving unit that rotates the heating member; and an attachment/separation unit that attaches or separates the heating member to/from the pressure member.

    摘要翻译: 用于将未定影图像固定在记录材料上的定影装置包括:具有可旋转地设置的导电层的加热构件; 压力构件,其被可旋转地设置并与加热构件压接,从而形成定影夹持部,以使压力构件和加热构件之间的记录材料通过; 加热单元,其经由所述导电层对所述加热构件进行感应加热; 使所述加热部件旋转的驱动部; 以及附加/分离单元,其将加热构件附接或分离到压力构件。

    Fixing apparatus, image forming apparatus and fixing apparatus heating method
    10.
    发明授权
    Fixing apparatus, image forming apparatus and fixing apparatus heating method 有权
    固定装置,成像装置和定影装置加热方法

    公开(公告)号:US07382995B2

    公开(公告)日:2008-06-03

    申请号:US11391337

    申请日:2006-03-29

    IPC分类号: G03G15/20

    摘要: A fixing apparatus for fixing an unfixed image on a recording material includes: a heating member having a conductive layer, that is rotatably provided; a pressure member that is rotatably provided and that is brought into press-contact with the heating member, thereby forms a fixing nip part to pass the recording material between the pressure member and the heating member; a heating unit that performs induction heating on the heating member via the conductive layer; a driving unit that rotates the heating member; and an attachment/separation unit that attaches or separates the heating member to/from the pressure member.

    摘要翻译: 用于将未定影图像固定在记录材料上的定影装置包括:具有可旋转地设置的导电层的加热构件; 压力构件,其被可旋转地设置并与加热构件压接,从而形成定影夹持部,以使压力构件和加热构件之间的记录材料通过; 加热单元,其经由所述导电层对所述加热构件进行感应加热; 使所述加热部件旋转的驱动部; 以及附加/分离单元,其将加热构件附接或分离到压力构件。