公开(公告)号：US07801457B2

公开(公告)日：2010-09-21

申请号：US12073910

申请日：2008-03-12

申请人： Hiroshi Seo ,  Akiko Ito ,  Tadashi Ogawa ,  Satoshi Ueno ,  Kenji Ishii

发明人： Hiroshi Seo ,  Akiko Ito ,  Tadashi Ogawa ,  Satoshi Ueno ,  Kenji Ishii

IPC分类号： G03G15/20

CPC分类号： H05B6/145 ,  G03G15/2042

摘要： A fixing device includes an excitation coil, a heat-generating layer, a magnetic shunt layer, and a degaussing member. The excitation coil generates a magnetic flux. The heat-generating layer generates heat using the magnetic flux generated by the excitation coil. The magnetic shunt layer transmits heat generated by the heat-generating layer. The degaussing member sandwiches the magnetic shunt layer together with the excitation coil, and selectively performs degaussing by generating a repelling magnetic flux for canceling the magnetic flux generated by the excitation coil so as to activate a self-temperature-control function. The degaussing member selectively refrains from degaussing so as to deactivate the self-temperature-control function.

摘要翻译： 固定装置包括励磁线圈，发热层，磁分路层和消磁部件。 励磁线圈产生磁通量。 发热层利用由励磁线圈产生的磁通量产生热量。 磁分流层传输由发热层产生的热量。 消磁部件与励磁线圈一起夹持磁分路层，并且通过产生用于抵消由励磁线圈产生的磁通量的排斥磁通来选择性地进行消磁以激活自温度控制功能。 消磁部件选择性地防止消磁，从而使自身温度控制功能失效。

公开(公告)号：US07783240B2

公开(公告)日：2010-08-24

申请号：US12071981

申请日：2008-02-28

申请人： Akiko Ito ,  Kenji Ishii ,  Tadashi Ogawa ,  Satoshi Ueno ,  Hiroshi Seo

发明人： Akiko Ito ,  Kenji Ishii ,  Tadashi Ogawa ,  Satoshi Ueno ,  Hiroshi Seo

IPC分类号： G03G15/20

CPC分类号： G03G15/20 ,  G03G15/2042

摘要： A fixing device includes a magnetic flux generator, a rotating heat generation member, a magnetic flux adjuster, and a driver. The magnetic flux generator generates a magnetic flux. The rotating heat generation member rotates and applies heat to a recording medium bearing an image, and includes a heat-generating layer to generate heat using the magnetic flux generated by the magnetic flux generator. The magnetic flux adjuster is provided outside the rotating heat generation member, and decreases the magnetic flux applied to the heat-generating layer at least in a desired area in an axial direction of the rotating heat generation member. The driver changes the desired area by driving the magnetic flux adjuster in a direction of rotation of the rotating heat generation member.

摘要翻译： 定影装置包括磁通发生器，旋转发热构件，磁通量调节器和驱动器。 磁通发生器产生磁通量。 旋转发热部件旋转并向承载图像的记录介质施加热量，并且包括使用由磁通发生器产生的磁通量产生热量的发热层。 所述磁通量调节器设置在所述旋转发热体的外侧，并且至少在所述旋转发热体的轴向的期望的区域内减少施加于所述发热层的磁通量。 驱动器通过沿着旋转的发热构件的旋转方向驱动磁通量调节器来改变所需的面积。

公开(公告)号：US20080232873A1

公开(公告)日：2008-09-25

申请号：US12076696

申请日：2008-03-21

申请人： Satoshi Ueno ,  Kenji Ishii ,  Tadashi Ogawa ,  Akiko Ito ,  Hiroshi Seo

发明人： Satoshi Ueno ,  Kenji Ishii ,  Tadashi Ogawa ,  Akiko Ito ,  Hiroshi Seo

IPC分类号： G03G15/20

CPC分类号： G03G15/2007 ,  G03G15/2053

摘要： An image forming apparatus includes a fixing device to fix a toner image on a recording medium by applying heat. Such a fixing device includes at least a magnetic flux generator, a heat generating roller, a magnetic shunt layer, and a protective layer. The magnetic flux generator is configured to generate magnetic flux. The heat generating roller including a heat generating layer is configured to generate heat by the magnetic flux. The magnetic shunt layer may be formed independently of the heat generating layer. The protective layer is provided on an inner surface of the magnetic shunt layer and configured to cover a crack formed in the magnetic shunt layer during fabrication of the magnetic shunt layer. An image is fixed onto the recording medium by the heat from the heat generating roller. Alternatively, the magnetic shunt layer may be integrally provided with the heat generating layer.

摘要翻译： 图像形成装置包括通过施加热量将调色剂图像定影在记录介质上的定影装置。 这种定影装置至少包括磁通量发生器，发热辊，磁分流层和保护层。 磁通发生器被配置为产生磁通量。 包括发热层的发热辊被配置为通过磁通产生热量。 磁分路层可以独立于发热层形成。 保护层设置在磁分路层的内表面上，并且构造成在制造磁分路器层期间覆盖形成在磁分路层中的裂纹。 通过来自发热辊的热将图像固定在记录介质上。 或者，磁分路层可以与发热层一体地设置。

公开(公告)号：US20080226326A1

公开(公告)日：2008-09-18

申请号：US12073910

申请日：2008-03-12

申请人： Hiroshi Seo ,  Akiko Ito ,  Tadashi Ogawa ,  Satoshi Ueno ,  Kenji Ishii

发明人： Hiroshi Seo ,  Akiko Ito ,  Tadashi Ogawa ,  Satoshi Ueno ,  Kenji Ishii

IPC分类号： G03G15/20 ,  H05B6/08

CPC分类号： H05B6/145 ,  G03G15/2042

摘要： A fixing device includes an excitation coil, a heat-generating layer, a magnetic shunt layer, and a degaussing member. The excitation coil generates a magnetic flux. The heat-generating layer generates heat using the magnetic flux generated by the excitation coil. The magnetic shunt layer transmits heat generated by the heat-generating layer. The degaussing member sandwiches the magnetic shunt layer together with the excitation coil, and selectively performs degaussing by generating a repelling magnetic flux for canceling the magnetic flux generated by the excitation coil so as to activate a self-temperature-control function. The degaussing member selectively refrains from degaussing so as to deactivate the self-temperature-control function.

摘要翻译： 固定装置包括励磁线圈，发热层，磁分路层和消磁部件。 励磁线圈产生磁通量。 发热层利用由励磁线圈产生的磁通量产生热量。 磁分流层传输由发热层产生的热量。 消磁部件与励磁线圈一起夹持磁分路层，并且通过产生用于消除由励磁线圈产生的磁通量的排斥磁通来选择性地进行消磁以激活自温度控制功能。 消磁部件选择性地防止消磁，从而使自身温度控制功能失效。

公开(公告)号：US20080219721A1

公开(公告)日：2008-09-11

申请号：US12071981

申请日：2008-02-28

申请人： Akiko Ito ,  Kenji Ishii ,  Tadashi Ogawa ,  Satoshi Ueno ,  Hiroshi Seo

发明人： Akiko Ito ,  Kenji Ishii ,  Tadashi Ogawa ,  Satoshi Ueno ,  Hiroshi Seo

IPC分类号： G03G15/20

CPC分类号： G03G15/20 ,  G03G15/2042

摘要： A fixing device includes a magnetic flux generator, a rotating heat generation member, a magnetic flux adjuster, and a driver. The magnetic flux generator generates a magnetic flux. The rotating heat generation member rotates and applies heat to a recording medium bearing an image, and includes a heat-generating layer to generate heat using the magnetic flux generated by the magnetic flux generator. The magnetic flux adjuster is provided outside the rotating heat generation member, and decreases the magnetic flux applied to the heat-generating layer at least in a desired area in an axial direction of the rotating heat generation member. The driver changes the desired area by driving the magnetic flux adjuster in a direction of rotation of the rotating heat generation member.

摘要翻译： 定影装置包括磁通发生器，旋转发热构件，磁通量调节器和驱动器。 磁通发生器产生磁通量。 旋转发热部件旋转并向承载图像的记录介质施加热量，并且包括使用由磁通发生器产生的磁通量产生热量的发热层。 所述磁通量调节器设置在所述旋转发热体的外侧，并且至少在所述旋转发热体的轴向的期望的区域内减少施加于所述发热层的磁通量。 驱动器通过沿着旋转的发热构件的旋转方向驱动磁通量调节器来改变所需的面积。

公开(公告)号：US07796933B2

公开(公告)日：2010-09-14

申请号：US12076696

申请日：2008-03-21

申请人： Satoshi Ueno ,  Kenji Ishii ,  Tadashi Ogawa ,  Akiko Ito ,  Hiroshi Seo

发明人： Satoshi Ueno ,  Kenji Ishii ,  Tadashi Ogawa ,  Akiko Ito ,  Hiroshi Seo

IPC分类号： G03G15/20

CPC分类号： G03G15/2007 ,  G03G15/2053

摘要： An image forming apparatus includes a fixing device to fix a toner image on a recording medium by applying heat. Such a fixing device includes at least a magnetic flux generator, a heat generating roller, a magnetic shunt layer, and a protective layer. The magnetic flux generator is configured to generate magnetic flux. The heat generating roller including a heat generating layer is configured to generate heat by the magnetic flux. The magnetic shunt layer may be formed independently of the heat generating layer. The protective layer is provided on an inner surface of the magnetic shunt layer and configured to cover a crack formed in the magnetic shunt layer during fabrication of the magnetic shunt layer. An image is fixed onto the recording medium by the heat from the heat generating roller. Alternatively, the magnetic shunt layer may be integrally provided with the heat generating layer.

摘要翻译： 图像形成装置包括通过施加热量将调色剂图像定影在记录介质上的定影装置。 这种定影装置至少包括磁通量发生器，发热辊，磁分流层和保护层。 磁通发生器被配置为产生磁通量。 包括发热层的发热辊被配置为通过磁通产生热量。 磁分路层可以独立于发热层形成。 保护层设置在磁分路层的内表面上，并且构造成在制造磁分路器层期间覆盖形成在磁分路层中的裂纹。 通过来自发热辊的热将图像固定在记录介质上。 或者，磁分路层可以与发热层一体地设置。

公开(公告)号：US20110064450A1

公开(公告)日：2011-03-17

申请号：US12923032

申请日：2010-08-30

申请人： Kenji Ishii ,  Tadashi Ogawa ,  Satoshi Ueno ,  Hiroshi Seo ,  Masanao Ehara

发明人： Kenji Ishii ,  Tadashi Ogawa ,  Satoshi Ueno ,  Hiroshi Seo ,  Masanao Ehara

IPC分类号： G03G21/00

CPC分类号： G03G15/2025 ,  G03G15/2028 ,  G03G2221/1639

摘要： A fixing device includes a heating source; a heating member heated by the heating source; a pressing member contacting the heating member to form a fixing nip therebetween, at which an unfixed image of toner on a recording sheet is fixed to the recording sheet; a first charging member located at an entrance of the fixing device, from which the recording sheet bearing the unfixed toner image enters the fixing device, so as to face the unfixed toner image. The first charging member is not contacted with the heating member and pressing member, and has a charge with a polarity opposite to a polarity of a charge of the toner to collect floating particles of the toner.

摘要翻译： 定影装置包括加热源; 由加热源加热的加热构件; 与所述加热构件接触以在其间形成定影夹持部的按压构件，将记录片材上的调色剂的未定影图像固定在所述记录片材上; 位于定影装置的入口处的第一充电构件，承载未定影调色剂图像的记录片材从该第一充电构件进入定影装置，以面对未定影的调色剂图像。 第一充电构件不与加热构件和按压构件接触，并且具有与调色剂的电荷的极性相反的极性的电荷，以收集调色剂的浮动颗粒。

公开(公告)号：US20100303521A1

公开(公告)日：2010-12-02

申请号：US12662991

申请日：2010-05-14

申请人： Tadashi Ogawa ,  Masanao Ehara ,  Kenji Ishii ,  Satoshi Ueno ,  Hiroshi Seo

发明人： Tadashi Ogawa ,  Masanao Ehara ,  Kenji Ishii ,  Satoshi Ueno ,  Hiroshi Seo

IPC分类号： G03G15/20

CPC分类号： G03G15/2007 ,  G03G15/2028

摘要： In a fixing device, a second rotary member disposed opposite a first rotary member forms a nip between the first rotary member and the second rotary member through which a recording medium bearing a toner image passes. A first separation member rotatively provided on a rotary shaft of the first rotary member separates the recording medium passing through the nip from the first rotary member. A rotation angle adjuster connected to the first separation member changes a rotation angle position of the first separation member.

摘要翻译： 在定影装置中，与第一旋转构件相对设置的第二旋转构件在第一旋转构件和第二旋转构件之间形成辊隙，通过该第二旋转构件支承调色剂图像的记录介质通过。 旋转地设置在第一旋转构件的旋转轴上的第一分离构件将通过辊隙的记录介质与第一旋转构件分离。 连接到第一分离构件的旋转角度调节器改变第一分离构件的旋转角度位置。

公开(公告)号：US08811842B2

公开(公告)日：2014-08-19

申请号：US12974852

申请日：2010-12-21

申请人： Takamasa Hase ,  Masanao Ehara ,  Kenji Ishii ,  Tadashi Ogawa ,  Satoshi Ueno ,  Hiroshi Seo ,  Takahiro Imada ,  Shuutaroh Yuasa

发明人： Takamasa Hase ,  Masanao Ehara ,  Kenji Ishii ,  Tadashi Ogawa ,  Satoshi Ueno ,  Hiroshi Seo ,  Takahiro Imada ,  Shuutaroh Yuasa

IPC分类号： G03G15/20

CPC分类号： G03G15/2039 ,  G03G2215/2048

摘要： The fixing device using an electromagnetic induction heating (IH) method includes a fixing sleeve having a heating layer, a pressure roller to form a nip while contacting the fixing roller and rotate to drive the fixing sleeve, a temperature detector to detect a temperature on a circumference of the fixing sleeve, and an excitation coil provided near the fixing sleeve and configured to perform induction heating of the heating layer of the fixing sleeve based on the detection result from the temperature detector. The fixing device is configured to change a rotation speed of the fixing sleeve in a standby time during which the fixing sleeve, while rotating, is controlled to be heated so as to maintain a target temperature when a periodic temperature difference occurs on a circumference of the fixing rotary member and having a fluctuation amplitude larger than a predetermined value compared to the target temperature.

摘要翻译： 使用电磁感应加热（IH）方法的定影装置包括具有加热层的定影套筒，压力辊，以在接触定影辊并旋转以驱动定影套筒的同时形成辊隙;温度检测器，用于检测 定影套筒周围，以及设置在定影套筒附近的激励线圈，其构造成基于来自温度检测器的检测结果对定影套筒的加热层进行感应加热。 定影装置构造成在待机时间内改变定影套筒的旋转速度，在该待机时间期间，当旋转时定影套筒被控制为加热，以便当在周边温度差发生周期性温度差时，保持目标温度 固定旋转构件并且具有比目标温度高的预定值的波动幅度。

公开(公告)号：US20110150518A1

公开(公告)日：2011-06-23

申请号：US12974852

申请日：2010-12-21

申请人： Takamasa HASE ,  Masanao Ehara ,  Kenji Ishii ,  Tadashi Ogawa ,  Satoshi Ueno ,  Hiroshi Seo ,  Takahiro Imada ,  Shuutaroh Yuasa

发明人： Takamasa HASE ,  Masanao Ehara ,  Kenji Ishii ,  Tadashi Ogawa ,  Satoshi Ueno ,  Hiroshi Seo ,  Takahiro Imada ,  Shuutaroh Yuasa

IPC分类号： G03G15/20

CPC分类号： G03G15/2039 ,  G03G2215/2048

摘要： The fixing device using an electromagnetic induction heating (IH) method includes a fixing sleeve having a heating layer, a pressure roller to form a nip while contacting the fixing roller and rotate to drive the fixing sleeve, a temperature detector to detect a temperature on a circumference of the fixing sleeve, and an excitation coil provided near the fixing sleeve and configured to perform induction heating of the heating layer of the fixing sleeve based on the detection result from the temperature detector. The fixing device is configured to change a rotation speed of the fixing sleeve in a standby time during which the fixing sleeve, while rotating, is controlled to be heated so as to maintain a target temperature when a periodic temperature difference occurs on a circumference of the fixing rotary member and having a fluctuation amplitude larger than a predetermined value compared to the target temperature.

摘要翻译： 使用电磁感应加热（IH）方法的定影装置包括具有加热层的定影套筒，压力辊，以在接触定影辊并旋转以驱动定影套筒的同时形成辊隙;温度检测器，用于检测 定影套筒周围，以及设置在定影套筒附近的激励线圈，其构造成基于来自温度检测器的检测结果对定影套筒的加热层进行感应加热。 定影装置构造成在待机时间内改变定影套筒的旋转速度，在该待机时间期间，当旋转时定影套筒被控制为加热，以便当在周边温度差发生周期性温度差时，保持目标温度 固定旋转构件并且具有比目标温度高的预定值的波动幅度。