公开(公告)号：US20140219673A1

公开(公告)日：2014-08-07

申请号：US14173171

申请日：2014-02-05

申请人： Takeshi YAMAMOTO ,  Kazuhito KISHI ,  Takumi WAlDA ,  Masahiro SAMEI ,  Hiroshi ONO ,  Ippei FUJIMOTO ,  Hiroshi SEO ,  Ryota YAMASHINA ,  Yasunori ISHIGAYA

发明人： Takeshi YAMAMOTO ,  Kazuhito KISHI ,  Takumi WAlDA ,  Masahiro SAMEI ,  Hiroshi ONO ,  Ippei FUJIMOTO ,  Hiroshi SEO ,  Ryota YAMASHINA ,  Yasunori ISHIGAYA

IPC分类号： G03G15/20

CPC分类号： G03G15/2042 ,  G03G2215/2035

摘要： A fixing device includes a rotatable, endless fixing belt; a rotatable contact member configured to contact a circumferential surface of the fixing belt to form a nip in association with the fixing belt; and a heating member disposed at an interior surface of the fixing belt, configured to heat the fixing belt. The heating member includes a multiple heat sources arranged along the width of a sheet of recording media in a direction perpendicular to a sheet conveyance direction. A controller changes an area to be heated by each heat source based on image data and corresponding to an unfixed image on the sheet. The fixing belt is heated by the heating member so that the unfixed image on the sheet that has been conveyed to the nip is fixed onto the sheet at least with heat. The heating member is disposed at a portion other than the fixing nip.

摘要翻译： 定影装置包括可旋转的环形定影带; 可旋转接触构件，其构造成接触所述定影带的周向表面以与所述定影带相关联地形成辊隙; 以及设置在所述定影带的内表面处的加热构件，其构造成加热所述定影带。 加热构件包括沿垂直于片材输送方向的方向沿着记录介质片的宽度布置的多个热源。 控制器基于图像数据改变每个热源要加热的区域，并对应于片材上的未定影图像。 定影带被加热部件加热，使得已经输送到辊隙的片材上的未定影图像至少热固定在片材上。 加热构件设置在定影夹持部以外的部分。

公开(公告)号：US20140219672A1

公开(公告)日：2014-08-07

申请号：US14167121

申请日：2014-01-29

申请人： Masahiro SAMEI ,  Takumi WAIDA ,  Hiroshi ONO ,  Takeshi YAMAMOTO ,  Ippei FUJIMOTO ,  Hiroshi SEO ,  Yasunori ISHIGAYA ,  Kazuhito KISHI ,  Ryota YAMASHINA

发明人： Masahiro SAMEI ,  Takumi WAIDA ,  Hiroshi ONO ,  Takeshi YAMAMOTO ,  Ippei FUJIMOTO ,  Hiroshi SEO ,  Yasunori ISHIGAYA ,  Kazuhito KISHI ,  Ryota YAMASHINA

IPC分类号： G03G15/20

CPC分类号： G03G15/2039 ,  G03G2215/2035

摘要： A fixing device includes a fixing rotary body, an opposed member, a heater, and a heating controller. The opposed member opposes the fixing rotary body to form a nipping portion therebetween. The heater includes heat generators arranged in a width direction of a recording medium. When the recording medium fed to the nipping portion has an image area and a non-image area, the heating controller controls the outputs of the heat generators based on image information so that a first heat generator of the heat generators corresponding to the image area is higher in temperature and a second heat generator of the heat generators corresponding to the non-image area is lower in temperature. Based on information other than the image information, the heating controller temporarily shifts an area of the fixing rotary body corresponding to the non-image area to a temperature differing from a normal temperature.

摘要翻译： 定影装置包括固定旋转体，相对构件，加热器和加热控制器。 相对的构件与固定旋转体相对，以在它们之间形成夹紧部分。 加热器包括沿记录介质的宽度方向布置的热发生器。 当馈送到夹持部分的记录介质具有图像区域和非图像区域时，加热控制器基于图像信息控制发热体的输出，使得与图像区域对应的热发生器的第一热发生器为 对应于非图像区域的发热体的温度越高，第二发热体的温度越低。 基于除了图像信息之外的信息，加热控制器将与非图像区域相对应的定影旋转体的区域临时移动到与正常温度不同的温度。

公开(公告)号：US20130308990A1

公开(公告)日：2013-11-21

申请号：US13864320

申请日：2013-04-17

申请人： Masahiro SAMEI ,  Hiroshi SEO ,  Ryota YAMASHINA

发明人： Masahiro SAMEI ,  Hiroshi SEO ,  Ryota YAMASHINA

IPC分类号： G03G15/20

CPC分类号： G03G15/2007 ,  G03G15/2053 ,  G03G15/2064 ,  G03G2215/2035

摘要： A fixing device includes an endless belt formed into a loop and rotatable in a given direction of rotation. An opposed rotary body contacts the endless belt to form a fixing nip therebetween through which a recording medium bearing a toner image is conveyed. A heater is disposed in proximity to an irradiation span spanning on an inner circumferential surface of the endless belt in a circumferential direction thereof to emit light that irradiates and heats the irradiation span of the endless belt. A shield is interposed between the heater and the irradiation span of the endless belt in a diametrical direction thereof to shield the irradiation span of the endless belt from heated air surrounding the heater.

摘要翻译： 固定装置包括环形带，其形成为环并且沿给定的旋转方向可旋转。 相对的旋转体与环形带接触以在其间形成定影辊隙，通过该固定夹持器传送带有调色剂图像的记录介质。 加热器设置在跨越环形带的圆周方向的内周面上的照射跨度附近，以发射照射并加热环形带的照射跨度的光。 在加热器和环形带的径向的辐射跨度之间插入屏蔽件，以将环形带的照射跨度从围绕加热器的加热空气屏蔽。

公开(公告)号：US20140133877A1

公开(公告)日：2014-05-15

申请号：US14061962

申请日：2013-10-24

申请人： Masahiro SAMEI ,  Yasunori ISHIGAYA ,  Ryota YAMASHINA ,  Takumi WAIDA

发明人： Masahiro SAMEI ,  Yasunori ISHIGAYA ,  Ryota YAMASHINA ,  Takumi WAIDA

IPC分类号： G03G15/20

CPC分类号： G03G15/2042

摘要： A fixing device temperature control method includes selectively energizing at least one of a plurality of heaters that heats a fixing rotary body according to an image area on a recording medium where a toner image is formed on the recording medium, detecting a temperature of a pressing rotary body pressed against the fixing rotary body, and controlling the energized, at least one of the plurality of heaters based on the detected temperature of the pressing rotary body so as to heat the fixing rotary body to a target temperature. The image area on the recording medium corresponds to a plurality of axial heating spans on the fixing rotary body.

摘要翻译： 定影装置温度控制方法包括根据在记录介质上形成调色剂图像的记录介质上的图像区域选择性地加热多个加热器中的至少一个加热器，检测压力旋转体的温度 并且基于检测到的加压旋转体的温度来控制多个加热器中的至少一个加热器的通电，以将定影旋转体加热到目标温度。 记录介质上的图像区域对应于定影旋转体上的多个轴向加热跨度。

公开(公告)号：US20140099138A1

公开(公告)日：2014-04-10

申请号：US14039163

申请日：2013-09-27

申请人： Yasunori ISHIGAYA ,  Masahiro SAMEI ,  Ryota YAMASHINA ,  Takumi WAIDA

发明人： Yasunori ISHIGAYA ,  Masahiro SAMEI ,  Ryota YAMASHINA ,  Takumi WAIDA

IPC分类号： G03G15/20

CPC分类号： G03G15/2078 ,  G03G15/2039 ,  G03G15/2046 ,  G03G15/2064

摘要： A fixing device temperature control method is performed by a fixing device including a heat conductor contacting and heating an unfixed toner image formed on a recording medium, a heater disposed opposite and heating the heat conductor, and a pressing roller pressed against the heat conductor to form a fixing nip between the heat conductor and the pressing roller through which the recording medium is conveyed. The method includes detecting a temperature of the pressing roller and controlling an input voltage to the heater based on the detected temperature of the pressing roller to maintain a temperature of the recording medium discharged from the fixing nip at a target temperature.

摘要翻译： 定影装置温度控制方法由包括接触加热形成在记录介质上的未定影调色剂图像的加热导体，与该导热体相对设置的加热器和加热导体加压的加热导体进行， 在导热体和加压辊之间的定影辊隙，记录介质通过该固定辊隙传送。 该方法包括基于检测到的加压辊的温度来检测加压辊的温度并控制加热器的输入电压，以将从定影辊隙排出的记录介质的温度保持在目标温度。

公开(公告)号：US20120243895A1

公开(公告)日：2012-09-27

申请号：US13427276

申请日：2012-03-22

申请人： Masahiro SAMEI ,  Yasunori Ishigaya ,  Ryota Yamashina ,  Takumi Waida

发明人： Masahiro SAMEI ,  Yasunori Ishigaya ,  Ryota Yamashina ,  Takumi Waida

IPC分类号： G03G15/20

CPC分类号： G03G15/2039 ,  G03G2215/00772

摘要： A temperature control method of calculating a temperature of a recording medium after fixing and used in a thermal fixing device includes separating calculations of calculating the temperature of the recording medium after fixing into first-stage calculations to be performed before start of printing and second-stage calculations to be performed in real time during the printing, performing the first-stage calculations, and performing the second-stage calculations to calculate a result of the temperature of the recording medium after fixing. Further, the result of the temperature of the recording medium after fixing is used to control obtaining a desired temperature of the recording medium after fixing, and the temperature of the recording medium after fixing is calculated without directly measuring the temperature of the recording medium after fixing.

摘要翻译： 用于计算定影后的记录介质的温度并用于热定影装置中的温度控制方法包括将固定后的记录介质的温度计算为在打印开始之前执行的第一阶段计算的分离计算和第二阶段 在打印期间实时执行计算，执行第一阶段计算，以及执行第二阶段计算以计算定影后的记录介质的温度结果。 此外，固定后的记录介质的温度的结果用于控制在定影之后获得记录介质的期望温度，并且计算定影后的记录介质的温度，而不直接测量固定之后记录介质的温度 。

公开(公告)号：US20200379384A1

公开(公告)日：2020-12-03

申请号：US16829083

申请日：2020-03-25

申请人： Masahiro SAMEI ,  Tomoya ADACHI ,  Yukimichi SOMEYA ,  Yuusuke FURUICHI ,  Hiroshi SEO

发明人： Masahiro SAMEI ,  Tomoya ADACHI ,  Yukimichi SOMEYA ,  Yuusuke FURUICHI ,  Hiroshi SEO

IPC分类号： G03G15/20

摘要： A heating device includes a sleeve-shaped flexible fixing rotator, a heater to contact an inner surface of the fixing rotator, a pressure rotator pressed against the heater via the fixing rotator to form a nip between the fixing rotator and the pressure rotator, a thermometer to detect a temperature of the heater, and a pressing force switching mechanism to switch a pressing force between the heater and the pressure rotator. The pressing force switching mechanism switches the pressing force between the heater and the pressure rotator in at least two stages, a standard force when the temperature of the heater detected by the thermometer increases and reaches a predetermined temperature and before the medium to be heated passes through the nip, and a reduced force smaller than the standard force when the temperature of the heater detected by the thermometer is lower than the predetermined temperature.

公开(公告)号：US20240319640A1

公开(公告)日：2024-09-26

申请号：US18603301

申请日：2024-03-13

申请人： Toshiyuki KABATA ,  Takayuki ANDOH ,  Masahiro SAMEI ,  Kota SHIODERA ,  Hiroshi YOSHINAGA ,  Tomoyuki NISHIKAWA ,  Yuusuke FURUICHI ,  Hiroyuki SHIMADA ,  Arinobu YOSHIURA

发明人： Toshiyuki KABATA ,  Takayuki ANDOH ,  Masahiro SAMEI ,  Kota SHIODERA ,  Hiroshi YOSHINAGA ,  Tomoyuki NISHIKAWA ,  Yuusuke FURUICHI ,  Hiroyuki SHIMADA ,  Arinobu YOSHIURA

IPC分类号： G03G15/20

CPC分类号： G03G15/2053 ,  G03G15/2039 ,  G03G15/2064 ,  G03G2215/2025

摘要： A heating device includes a rotator having an internal space, a heater heating the rotator, lubricant applied to the rotator, a rotator support supporting the rotator, and a cover. The rotator support has a first opening communicating with the internal space of the rotator, penetrating through the rotator support, and extending in the longitudinal direction. The cover covers the first opening and has a face facing the first opening and a second opening communicating with the internal space of the rotator and an exterior of the cover. The cover maintains a temperature of the face of the cover at 40° C. or higher.

公开(公告)号：US20240036500A1

公开(公告)日：2024-02-01

申请号：US18225158

申请日：2023-07-24

申请人： Masahiro SAMEI ,  Takayuki ANDOH ,  Kota SHIODERA ,  Hiroshi YOSHINAGA ,  Toshiyuki KABATA

发明人： Masahiro SAMEI ,  Takayuki ANDOH ,  Kota SHIODERA ,  Hiroshi YOSHINAGA ,  Toshiyuki KABATA

IPC分类号： G03G15/20

CPC分类号： G03G15/2017 ,  G03G2215/2035 ,  G03G15/2064

摘要： A heating device includes a rotator, a heater, a rotator holder, lubricant, and a shield. The heater heats the rotator in a heat generation range. The rotator holder holds an end of the rotator in a longitudinal direction of the rotator. The lubricant adheres to the rotator holder. The shield shields heat transferred from the heater. The shield includes a first shield, a second shield, and a heat transfer reducer. The first shield faces the heater and the rotator. The second shield faces the rotator holder. The second shield is outside the heat generation range in the longitudinal direction. The heat transfer reducer is disposed between the first shield and the second shield. The heat transfer reducer reduces the heat transferred from the first shield to the second shield.

公开(公告)号：US20230324838A1

公开(公告)日：2023-10-12

申请号：US18185778

申请日：2023-03-17

申请人： Masahiro SAMEI ,  Takyuki Andoh ,  Kota Shiodera ,  Toshiyuki Kabata ,  Hiroshi Yoshinaga

发明人： Masahiro SAMEI ,  Takyuki Andoh ,  Kota Shiodera ,  Toshiyuki Kabata ,  Hiroshi Yoshinaga

IPC分类号： G03G15/20

CPC分类号： G03G15/2053

摘要： A heating device includes a rotator, a heater heating the rotator, a rotator holder holding a longitudinal end of the inner peripheral surface of the rotator, and lubricant applied to the rotator holder. The rotator holder includes a holding portion contacting the end of the inner peripheral surface, a flange portion contacting a longitudinal end of the rotator and extending outward in a radial direction of a loop of the rotator, and an inclined surface. The inclined surface is inclined in a direction away from an inner peripheral surface of the rotator from the holding portion toward the flange portion.