Belt member, fixing device, and image forming apparatus including the same
    1.
    发明授权
    Belt member, fixing device, and image forming apparatus including the same 有权
    皮带构件,固定装置和包括该构件的图像形成装置

    公开(公告)号:US09342006B2

    公开(公告)日:2016-05-17

    申请号:US14618400

    申请日:2015-02-10

    Inventor: Shoko Gon

    CPC classification number: G03G15/2057

    Abstract: Provided is a belt member used in a fixing device of an electromagnetic induction heating system. The belt member includes an endless resin base layer, heat layers, and an insulating resin layer. The heat layers are two or more layers including a non-magnetic metal stacked on the resin base layer. The insulating resin layer is an insulating layer stacked between the heating layers.

    Abstract translation: 提供一种用于电磁感应加热系统的定影装置的带部件。 带构件包括环形树脂基底层,热层和绝缘树脂层。 加热层是层叠在树脂基底层上的非磁性金属的两层以上的层。 绝缘树脂层是堆叠在加热层之间的绝缘层。

    Fixing device and image forming apparatus

    公开(公告)号:US11366415B2

    公开(公告)日:2022-06-21

    申请号:US17262089

    申请日:2019-06-26

    Inventor: Shoko Gon

    Abstract: The fixing device (13) includes the fixing belt (20), the pressuring roller (21) and the pad (24). The pad (24) sandwiches the belt (20) with the roller (21) to form the fixing nip. The pad (24) is extended in the nip width direction, and the pressing face (40) has the first and second curved faces (41) and (42) at upstream and downstream sides in the sheet conveyance direction. The first and second curved faces (41) and (42) are formed arch-like curved to the roller (21) toward upstream and downstream sides. The first and second curved faces (41) and (42) continue at the inflection point (B) near the intersection point of the extending line (A) parallel to the pressuring direction and through the rotation center of the roller (21) on the pressing face (40). The first curved face (41) has the curvature radius (Ra) larger than the second curved face (42).

    Fixing device and image forming apparatus

    公开(公告)号:US09933735B2

    公开(公告)日:2018-04-03

    申请号:US15348500

    申请日:2016-11-10

    Inventor: Shoko Gon

    CPC classification number: G03G15/2053 G03G15/2039

    Abstract: A fixing device includes a fixing belt, a belt guide, a pressuring member, a heat source and an excessive temperature rise preventing device. The guide contacts with the inside of the belt to assist the belt's rotation track. The heat source is located across the belt to the pressuring member to induction-heat the belt. The preventing device has first and second lead wires connected at one and another end sides in an axial direction of the belt and prevents excessive temperature rise of the guide in noncontact. The first lead wire is extended to one end side and pulled out from the inside to the outside via one end side in the belt. The second lead wire is extended to another end side, curved toward one end side, extended to one end side and pulled out from the inside to the outside via one end side in the belt.

    Image forming apparatus equipped with a fixing device configured to induce electromagnetic heating
    4.
    发明授权
    Image forming apparatus equipped with a fixing device configured to induce electromagnetic heating 有权
    图像形成装置配备有用于引起电磁加热的定影装置

    公开(公告)号:US08862007B2

    公开(公告)日:2014-10-14

    申请号:US13853280

    申请日:2013-03-29

    Inventor: Shoko Gon

    CPC classification number: G03G15/2078 G03G15/2039 G03G15/2042 G03G15/2053

    Abstract: A fixing device includes a heating member, a pressurizing member, a coil wound in a loop shape in the width direction of the heating member to generate a magnetic flux that inductively heats the heating member, and a magnetic core adjacent to the coil. The magnetic core is configured to apply the magnetic flux to an inductive heat-generating layer of the heating member. The magnetic core includes first core parts and second core parts. The first core parts are positioned to enclose the coil in a direction orthogonal to a direction in which paper is conveyed. The second core parts are placed in hollow areas formed by the loops of the coil at both ends in the direction orthogonal to the paper conveyance direction. The second core parts have a higher Curie temperature and a lower thermal capacity than the first core parts.

    Abstract translation: 定影装置包括加热构件,加压构件,在加热构件的宽度方向上缠绕成环形的线圈,以产生感应加热加热构件的磁通量和与线圈相邻的磁芯。 磁芯被配置为将磁通量施加到加热构件的感应发热层。 磁芯包括第一芯部件和第二芯部件。 第一芯部件被定位成在与传送纸的方向正交的方向上包围线圈。 第二芯部被放置在与纸输送方向正交的方向上的两端的线圈的环形的中空区域中。 第二核心部件具有比第一芯部更高的居里温度和更低的热容量。

    FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
    5.
    发明申请
    FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME 有权
    固定装置和图像形成装置,包括它们

    公开(公告)号:US20140119786A1

    公开(公告)日:2014-05-01

    申请号:US14066603

    申请日:2013-10-29

    CPC classification number: G03G15/2053 G03G15/2017 G03G21/206 H05B6/102

    Abstract: A fixing device includes an auxiliary duct. The auxiliary duct is provided between a cover member attached to a coil bobbin so as to cover a magnetic core and a coil, and a core holder provided opposing to the coil bobbin, to which the magnetic core is attached. The auxiliary duct communicates with an intake hole provided at one end in a longitudinal direction of the cover member, and has opening holes overlapping with some of holder opening portions formed on the core holder. The fixing device causes air to flow into between the core holder and the coil bobbin via the auxiliary duct and the holder opening portions from the intake hole, and discharges the air warmed by heat of the coil from an exhaust hole formed at the other end of the cover member, thereby adjusting the flowing amount of air in a longitudinal direction of the coil.

    Abstract translation: 定影装置包括辅助导管。 辅助管道设置在安装在线圈骨架上的盖构件以覆盖磁芯和线圈,以及与磁芯相对的线圈架上设置的芯保持器。 辅助管道与设置在盖构件的纵向方向上的一端的进气孔连通,并且具有与形成在芯保持器上的一些保持器开口部分重叠的开口孔。 固定装置使空气经由辅助管道和保持器开口部分从进气孔流入芯保持器和线圈架之间,并且从形成在另一端的排气孔排出由线圈的热量加热的空气 盖构件,从而调节沿着线圈的纵向方向的空气的流动量。

    FIXING DEVICE AND IMAGE FORMING APPARATUS

    公开(公告)号:US20170299990A1

    公开(公告)日:2017-10-19

    申请号:US15460014

    申请日:2017-03-15

    Inventor: Shoko Gon

    CPC classification number: G03G15/2039 G03G15/80

    Abstract: A frequency determining portion determines a driving frequency of an induction heater. A determination processing portion determines whether or not the driving frequency determined by the frequency determining portion is within a predetermined prohibited frequency band. A frequency changing portion, when the driving frequency determined by the frequency determining portion is within the prohibited frequency band and is lower than a predetermined threshold within the prohibited frequency band, changes the driving frequency to a frequency equal to or lower than a lower boundary frequency of the prohibited frequency band, and when the driving frequency is within the prohibited frequency band and is equal to or higher than the threshold, changes the driving frequency to a frequency equal to or higher than a higher boundary frequency of the prohibited frequency band. A heating control portion drives the induction heater by the driving frequency changed by the frequency changing portion.

    Fixing device and image forming apparatus

    公开(公告)号:US09733601B2

    公开(公告)日:2017-08-15

    申请号:US15131486

    申请日:2016-04-18

    CPC classification number: G03G15/2053 G03G2215/2035

    Abstract: A fixing device includes a fixing belt, a pressuring member, an exciting coil and a belt guide. The pressuring member comes into pressure contact with the fixing belt to form a fixing nip. The exciting coil is provided at an outer diameter side of the fixing belt and configured to generate a magnetic flux to inductively heat the fixing belt. The belt guide supports the fixing belt from an inner diameter side. The belt guide includes a contact part which is in contact with an inner circumferential face of the fixing belt and a non-contact part which is not in contact with the inner circumferential face of the fixing belt. The non-contact part is provided with a slit configured to inhibit induction heating of the non-contact part due to the magnetic flux generated by the exciting coil.

    Fixing device and image forming apparatus
    8.
    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:US09588469B2

    公开(公告)日:2017-03-07

    申请号:US15132276

    申请日:2016-04-19

    CPC classification number: G03G15/2053 G03G2215/0132 G03G2215/2035

    Abstract: A fixing device includes a fixing belt, a pressuring member, an exciting coil and a belt guide. The pressuring member comes into pressure contact with the fixing belt to form a fixing nip. The exciting coil is provided at an outer diameter side of the fixing belt and configured to generate a magnetic flux to inductively heat the fixing belt. The belt guide supports the fixing belt from an inner diameter side. The belt guide includes a contact part which is in contact with an inner circumferential face of the fixing belt and a non-contact part which is not in contact with the inner circumferential face of the fixing belt. A magnetic flux blocking member configured to block the magnetic flux that passes through the fixing belt is provided between the fixing belt and the non-contact part.

    Abstract translation: 定影装置包括定影带,加压构件,励磁线圈和带引导件。 加压构件与定影带压力接触以形成定影辊隙。 励磁线圈设置在定影带的外径侧,并且被配置为产生磁通量以感应加热定影带。 皮带导向器从内径侧支撑定影带。 带引导件包括与定影带的内周面接触的接触部和不与定影带的内周面接触的非接触部。 构造成阻挡通过定影带的磁通的磁通阻挡构件设置在定影带和非接触部之间。

    Fixing device and image forming apparatus provided therewith
    9.
    发明授权
    Fixing device and image forming apparatus provided therewith 有权
    固定装置及其设置的图像形成装置

    公开(公告)号:US09195188B2

    公开(公告)日:2015-11-24

    申请号:US14647040

    申请日:2014-04-25

    Inventor: Shoko Gon

    CPC classification number: G03G15/2053 G03G2215/00151

    Abstract: A fixing device is provided with a fixing belt, a fixing roller inserted inside the fixing belt, a pressure roller that is pressed against the fixing belt, a coil that generates magnetic flux for induction heating of the fixing belt, and a belt regulating plate that is disposed at a side of an end surface of the fixing roller in a predetermined direction and regulates movement of the fixing belt in the predetermined direction. The belt regulating plate has a multi-layer structure including a resin plate disposed at a fixing belt side and a nonmagnetic metal plate disposed at a side opposite to the fixing belt side.

    Abstract translation: 定影装置设置有定影带,定影带中插入的定影辊,压靠在定影带上的加压辊,产生定影带的感应加热磁通的线圈和带调节板, 沿预定方向设置在定影辊的端面的一侧,并且调节定影带在预定方向上的运动。 带调节板具有包括设置在定影带侧的树脂板和设置在与定影带侧相对的一侧的非磁性金属板的多层结构。

    Image Forming Apparatus Equipped with a Fixing Device Configured to Induce Electromagnetic Heating
    10.
    发明申请
    Image Forming Apparatus Equipped with a Fixing Device Configured to Induce Electromagnetic Heating 有权
    具有配置成引起电磁加热的固定装置的图像形成装置

    公开(公告)号:US20130259509A1

    公开(公告)日:2013-10-03

    申请号:US13853280

    申请日:2013-03-29

    Inventor: Shoko Gon

    CPC classification number: G03G15/2078 G03G15/2039 G03G15/2042 G03G15/2053

    Abstract: A fixing device includes a heating member, a pressurizing member, a coil wound in a loop shape in the width direction of the heating member to generate a magnetic flux that inductively heats the heating member, and a magnetic core adjacent to the coil. The magnetic core is configured to apply the magnetic flux to an inductive heat-generating layer of the heating member. The magnetic core includes first core parts and second core parts. The first core parts are positioned to enclose the coil in a direction orthogonal to a direction in which paper is conveyed. The second core parts are placed in hollow areas formed by the loops of the coil at both ends in the direction orthogonal to the paper conveyance direction. The second core parts have a higher Curie temperature and a lower thermal capacity than the first core parts.

    Abstract translation: 定影装置包括加热构件,加压构件,在加热构件的宽度方向上缠绕成环形的线圈,以产生感应加热加热构件的磁通量和与线圈相邻的磁芯。 磁芯被配置为将磁通量施加到加热构件的感应发热层。 磁芯包括第一芯部件和第二芯部件。 第一芯部件被定位成在与传送纸的方向正交的方向上包围线圈。 第二芯部被放置在与纸输送方向正交的方向上的两端的线圈的环形的中空区域中。 第二核心部件具有比第一芯部更高的居里温度和更低的热容量。

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