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公开(公告)号：US20080124149A1
公开(公告)日：2008-05-29
申请号：US12022336
申请日：2008-01-30
IPC分类号： G03G15/20
CPC分类号： G03G15/2014
摘要： A fixing apparatus according to the present invention comprises a heat roller 2 which comprises an elastic member 2b having an outer diameter which is different from another one in an axial direction, and an conductive layer 2c provided outside of the elastic member 2b, wherein a maximum outer diameter and a minimum outer diameter of the elastic member 2b has a difference therebetween ranging from 0.2 mm to 3.0 mm.
摘要翻译： 根据本发明的定影装置包括加热辊2，其包括具有与轴向不同的外径的弹性构件2b和设置在弹性构件2b外侧的导电层2c， 其中弹性件2b的最大外径和最小外径之间的差异在0.2mm至3.0mm之间。
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公开(公告)号：US20100034568A1
公开(公告)日：2010-02-11
申请号：US12535269
申请日：2009-08-04
IPC分类号： G03G15/20
CPC分类号： G03G15/2042 , G03G2215/2032
摘要： To provide a technique for preventing a temperature rise in a non-sheet passing areas in a fixing device. The fixing device includes: a heating rotational member that includes at least one roller and heats a toner transferred on a sheet; a pressing roller that nips and carries the sheet in cooperation with the heating rotational member; a heating device that heats the heating rotational member; and heat pipes arranged, on the inside of at least one of the roller of the heating rotational member and the pressing roller, in ranges on both the sides in an axial direction of the roller from positions closer to the center in the axial direction than both the ends of a minimum sheet passing range in the axial direction of the roller of the nipped and carried sheet to positions further on the outer sides in the axial direction than both the ends of a maximum sheet passing range.
摘要翻译： 提供一种用于防止定影装置中的非片材通过区域中的温度升高的技术。 定影装置包括：加热旋转构件，其包括至少一个辊并加热转印在片材上的调色剂; 加压辊，其与加热旋转构件协作地压合并承载片材; 加热装置，加热所述加热旋转构件; 以及在所述加热旋转构件的所述辊的至少一个辊和所述加压辊的内侧上布置在所述辊的轴向方向上的两侧的距离轴向方向上的中心的位置的热管比两者 被夹持和被承载片材的辊的轴向上的最小纸张通过范围的端部在轴向上的外侧进一步位于最大纸张通过范围的两端。
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公开(公告)号：US20100104333A1
公开(公告)日：2010-04-29
申请号：US12580134
申请日：2009-10-15
CPC分类号： G03G15/2057
摘要： The present invention provides a technique that can contribute to the improvement of fixing performance while maintaining appropriate nip width. A heating roller includes: a core configured to rotate around a predetermined rotation axis; plural elastic layers laminated on the outer circumference of the core; and a conductive layer formed on the outer circumference of the plural elastic layers. The plural elastic layers have, in a rotation radius direction, larger specific heat in the elastic layer on the outer side than in the elastic layer on the inner side and have lower thermal conductivity in the elastic layer on the inner side than in the elastic layer on the outer side.
摘要翻译： 本发明提供一种可以有助于改善定影性能同时保持适当的压区宽度的技术。 加热辊包括：被配置为围绕预定旋转轴线旋转的芯部; 层叠在芯的外周的多个弹性层; 以及形成在所述多个弹性层的外周上的导电层。 多个弹性层在旋转半径方向上具有比外侧的弹性层中的比内侧的弹性层更大的比热，并且在内侧的弹性层中比在弹性层中具有较低的导热性 在外侧
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公开(公告)号：US20100034567A1
公开(公告)日：2010-02-11
申请号：US12535128
申请日：2009-08-04
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G2215/2032
摘要： To provide a technique for reducing waste of thermal energy in a fixing device. The fixing device includes: a heating rotational unit configured to heat a sheet on which a toner image is formed; a pressing rotational unit configured to come into press contact with the heating rotational unit to form a nip between the heating rotational unit and the pressing rotational unit and nip and carry the sheet in cooperation with the heating rotational unit; a heating device configured to heat the heating rotational unit; and a heat accumulating unit configured to cover at least a range above at least one of the heating rotational unit and the pressing rotational unit.
摘要翻译： 提供一种减少定影装置中热能浪费的技术。 定影装置包括：加热旋转单元，被配置为加热其上形成有调色剂图像的片材; 按压旋转单元，被配置为与加热旋转单元压接，以在加热旋转单元和按压旋转单元之间形成辊隙，并与加热旋转单元协作地夹持并携带薄片; 加热装置，其构造成加热所述加热旋转单元; 以及蓄热单元，其被配置为覆盖所述加热旋转单元和所述按压旋转单元中的至少一个上方的至少一个范围。
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公开(公告)号：US20090175646A1
公开(公告)日：2009-07-09
申请号：US12402115
申请日：2009-03-11
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G15/2028 , G03G2215/20 , G03G2215/2016 , G03G2215/2032
摘要： A fixing apparatus of an image forming apparatus of the present invention, in arrival timing of a temperature falling area of a heat roller passing a nip at opposite position γ of an induction heating coil from temperature detection position β by an infrared temperature sensor around the heat roller, according to detection results by the infrared temperature sensor, controls an output value of the induction heating coil under control of an inverter circuit, heats and returns the heat roller in real time to a fixable temperature, and realizes energy conversation. At the time of arrival at the nip, the heat controller is always set to a fixed fixable temperature, thus in a fixed image, a high image quality free of ripple marks can be obtained.
摘要翻译： 本发明的图像形成装置的定影装置，在通过感应加热线圈的相对位置γ的辊隙的加热辊的温度下降区域到达温度检测位置β的红外温度传感器周围的热量的到达时刻 滚筒，根据红外线温度传感器的检测结果，在变频器电路的控制下控制感应加热线圈的输出值，实时加热回热辊至可固定温度，实现能量对话。 在到达辊隙时，热控制器总是设定为固定的固定温度，因此在固定的图像中，可以获得没有纹波痕迹的高图像质量。
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公开(公告)号：US20080247790A1
公开(公告)日：2008-10-09
申请号：US12112663
申请日：2008-04-30
IPC分类号： G03G15/20
CPC分类号： G03G15/2064
摘要： An image forming apparatus according to the present invention includes a heating roller 2 fixed at a predetermined position, a pressurizing roller 3 press-fitted to the heating roller 2 by a pressurizing mechanism 4 to be movable, and a hardness change detecting mechanism 310 which becomes electrically conductive when the pressurizing roller 3 moves due to thermal expansion of the heating roller 2, and which detects a hardness change of the heating roller 2.
摘要翻译： 根据本发明的图像形成装置包括固定在预定位置的加热辊2，通过加压机构4压配合到可加热辊2上的加压辊3和变硬的变形检测机构310 当加压辊3由于加热辊2的热膨胀而移动并且检测加热辊2的硬度变化时导电。
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公开(公告)号：US20080203088A1
公开(公告)日：2008-08-28
申请号：US12115904
申请日：2008-05-06
IPC分类号： H05B6/04
CPC分类号： G03G15/2053 , G03G2215/2032
摘要： In an aspect of this invention, a fixing device includes a heating member including a first area and a second area formed of conductive members (e.g., aluminum and iron) having different magnetic permeability ratios, and an induction heating unit which generates a magnetic field from a coil to induction-heat this heating member, and the fixing device changes a frequency of a high-frequency current to be supplied to the coil to thereby control a heating area of the heating member.
摘要翻译： 在本发明的一个方面，一种定影装置包括：加热构件，包括第一区域和由具有不同导磁率的导电构件（例如铝和铁）形成的第二区域;以及感应加热单元，其从 用于感应加热该加热构件的线圈，并且定影装置改变要供给到线圈的高频电流的频率，从而控制加热构件的加热区域。
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公开(公告)号：US20130004218A1
公开(公告)日：2013-01-03
申请号：US13490967
申请日：2012-06-07
IPC分类号： G03G15/20
CPC分类号： G03G15/2032 , G03G15/2017 , G03G15/206 , G03G15/2064 , G03G2215/2038
摘要： Certain embodiments provide a fuser including a cylindrical fixing belt, a heating unit configured to heat the fixing belt, a pressurized section, a first nip forming section, a second nip forming section, and a moving mechanism. The pressurized section is arranged in contact with the fixing belt. The first nip forming section is fixed in a position where the first nip forming section presses the fixing belt against the pressurized section. The second nip forming section is configured to be movable between a position where the second nip forming section can press the fixing belt against the pressurized section and a position where the second nip forming section is separated from the fixing belt. The moving mechanism moves the second nip forming section.
摘要翻译： 某些实施例提供一种定影器，其包括圆柱形定影带，被配置为加热定影带的加热单元，加压部分，第一夹持形成部分，第二夹持形成部分和移动机构。 加压部分与定影带接触地设置。 第一辊隙形成部固定在第一辊隙形成部将加压部压紧定影带的位置。 第二压区形成部构造成能够在第二压区形成部能够将定影带压靠加压部的位置与第二辊隙形成部从定影带分离的位置之间移动。 移动机构移动第二压区形成部。
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公开(公告)号：US20100014899A1
公开(公告)日：2010-01-21
申请号：US12501143
申请日：2009-07-10
IPC分类号： G03G15/20
CPC分类号： G03G15/2057 , G03G2215/2054
摘要： A technique of reducing temperature unevenness in a heating member which heats a heating target member while reducing heat capacity of the heating member in a fixing device for an image forming apparatus is provided. The fixing device has a heating member having diamond fine particles dispersed and contained at least in its surface layer, a pressurizing member which is pressed in contact with the heating member and nips and carries a sheet in collaboration with the heating member, and a heating unit which heats the heating member.
摘要翻译： 提供一种降低加热部件的加热部件的温度不均匀性的技术，该加热部件在降低图像形成装置的定影装置中的加热部件的热容的同时加热加热对象部件。 定影装置具有至少在其表面层分散并容纳有金刚石微粒的加热构件，与加热构件接触地按压的加压构件，并与加热构件协同地携带片材，加热单元 其加热加热构件。
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公开(公告)号：US20100150625A1
公开(公告)日：2010-06-17
申请号：US12637462
申请日：2009-12-14
IPC分类号： G03G15/20
CPC分类号： G03G15/2042 , G03G2215/2032
摘要： According to an embodiment of the invention, a fixing apparatus includes, a first endless body configured to be heated by a heating mechanism and maintain temperature reached by the heating, a second endless body configured to fix a visualizing agent supported by a sheet medium on the sheet medium in cooperation with the first endless body, a heat equalizing member configured to be located in a predetermined position on an inner side of the first endless body and apply, to the first endless body, tension for supplying heat, and a heat accumulating member configured to have a large heat capacity compared with a heat capacity of the heat equalizing member and to be located in a predetermined position on the inner side of the first endless body and apply, to the first endless body, tension for supplying heat.
摘要翻译： 根据本发明的一个实施例，定影装置包括：第一环形体，其构造成由加热机构加热并保持由加热达到的温度;第二环形体，被构造成将由片材介质支撑的可视化剂固定在 与第一环状体配合的热介质，配置成位于第一环状体的内侧的预定位置的热均质部件，向第一环状体施加用于供给热量的张力，以及蓄热部件 被构造成与所述热均衡构件的热容量相比具有大的热容量并且位于所述第一环形体的内侧上的预定位置，并且向所述第一环形体施加用于供热的张力。
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