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公开(公告)号：US08693934B2
公开(公告)日：2014-04-08
申请号：US13305015
申请日：2011-11-28
IPC分类号： G03G15/20
CPC分类号： G03G15/2007 , G03G2215/2032 , H05B6/105 , H05B6/145 , H05B6/365
摘要： A fixing device includes an induction heater disposed opposite a heating rotary body and including a first side core disposed at one end of the induction heater, a second side core disposed at another end of the induction heater in a direction of rotation of the heating rotary body, and a plurality of arch cores arranged in an axial direction of the heating rotary body. Each arch core includes a first vault edge face disposed at one end of the arch core in the direction of rotation of the heating rotary body and contacting a planar face of the first side core and a second vault edge face disposed at another end of the arch core in the direction of rotation of the heating rotary body and contacting a planar face of the second side core.
摘要翻译： 定影装置包括与加热旋转体相对设置的感应加热器，包括设置在感应加热器的一端的第一侧芯，设置在感应加热器的另一端的加热旋转体的旋转方向上的第二侧芯 以及沿着加热旋转体的轴向配置的多个拱形芯。 每个拱形芯包括第一拱形边缘面，其设置在加热旋转体的旋转方向上的拱形芯的一端处，并接触第一侧芯的平面和设置在拱的另一端的第二拱顶边缘面 芯体在加热旋转体的旋转方向上并接触第二侧芯的平面。
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公开(公告)号：US09164447B2
公开(公告)日：2015-10-20
申请号：US14533227
申请日：2014-11-05
IPC分类号： G03G15/20
CPC分类号： G03G15/2053
摘要： A fixing device includes a pressurization member pressed against a fixing rotator and a magnetic flux generator disposed opposite the fixing rotator. A heat generator is disposed opposite the magnetic flux generator to generate heat by a magnetic flux generated by the magnetic flux generator. A magnetic shield is movably disposed inside the heat generator to screen the magnetic flux penetrating through the heat generator. A pressure adjuster presses the pressurization member against the fixing rotator with variable pressure. An interlock interlocks the pressurization member with the magnetic shield. The pressure adjuster presses the pressurization member against the fixing rotator with increased pressure to move the magnetic shield via the interlock to a proximate position in proximity to the heat generator and with decreased pressure to move the magnetic shield via the interlock to a remote position being remote from the heat generator.
摘要翻译： 定影装置包括压靠固定旋转体的加压构件和与定影旋转体相对设置的磁通发生器。 热发生器与磁通发生器相对设置，以由由磁通发生器产生的磁通量产生热量。 磁屏蔽可移动地设置在热发生器内部以屏蔽穿过热发生器的磁通量。 压力调节器以可变的压力将加压构件压靠固定转子。 互锁将加压构件与磁屏蔽互锁。 压力调节器以增加的压力将加压构件压靠固定旋转器，以通过互锁将磁屏蔽件移动到靠近发热体的邻近位置，并且以较小的压力将磁屏蔽件通过互锁件移动到远程位置 来自发热体。
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公开(公告)号：US09342002B2
公开(公告)日：2016-05-17
申请号：US14132259
申请日：2013-12-18
CPC分类号： G03G15/2053 , G03G15/2042 , G03G15/80 , G03G2215/0132
摘要： A fixing device includes a rotary member comprising a heat generation layer; an excitation coil generating magnetic flux, disposed along an axial direction of the rotary member and opposite the rotary member, to heat by induction the heat generation layer; a first demagnetizing coil layered on the excitation coil and generating magnetic flux in a direction reverse to and cancel the magnetic flux that the excitation coil generates; a sheet size detector to obtain a size of a recording sheet on which an image is to be formed by passing through the rotary member; and a drive controller to control driving of the first demagnetizing coil. The drive controller drives the first demagnetizing coil after information including the sheet size information has been obtained.
摘要翻译： 定影装置包括：旋转构件，包括发热层; 产生磁通量的励磁线圈，沿着旋转构件的轴向设置并与旋转构件相对，通过感应发热层进行加热; 层叠在励磁线圈上的第一去磁线圈，并且产生与励磁线圈产生的磁通相反并消除的磁通量的磁通量; 片材尺寸检测器，用于获得通过旋转构件在其上形成图像的记录片材的尺寸; 以及驱动控制器，用于控制第一消磁线圈的驱动。 驱动控制器在已经获得包括纸张尺寸信息的信息之后驱动第一去磁线圈。
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公开(公告)号：US09207597B2
公开(公告)日：2015-12-08
申请号：US14156628
申请日：2014-01-16
申请人： Susumu Matsusaka , Motokazu Hasegawa , Yukari Isoe
发明人： Susumu Matsusaka , Motokazu Hasegawa , Yukari Isoe
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G2215/2032
摘要： A fixing device includes a rotator having a heat generation layer, an excitation coil to inductively heat the heat generation layer, ferromagnetic cores to direct magnetic flux arising from the excitation coil to the rotator, and a holder to hold the excitation coil and the ferromagnetic cores. In the fixing device, the ferromagnetic cores include multiple cores disposed astride the excitation coil at a turning part on each end of the excitation coil in a longitudinal direction of the excitation coil.
摘要翻译： 定影装置包括：具有发热层的旋转体，感应加热发热层的激励线圈，将由励磁线圈产生的磁通量引导到旋转体的铁磁铁心;以及保持激励线圈和铁磁性核心 。 在固定装置中，铁磁芯包括沿着励磁线圈的纵向方向在励磁线圈的两端的转向部分跨越励磁线圈设置的多个铁芯。
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公开(公告)号：US20140241764A1
公开(公告)日：2014-08-28
申请号：US14182878
申请日：2014-02-18
申请人： Motokazu HASEGAWA , Susumu Matsusaka , Yukari Isoe
发明人： Motokazu HASEGAWA , Susumu Matsusaka , Yukari Isoe
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G2215/2032
摘要： A fixing device includes a fixing member including a heat generator and an induction heater to heat the fixing member by electromagnetic induction. The induction heater includes an excitation coil, a ferromagnetic core to form a magnetic path to direct magnetic flux arising from the excitation coil to the fixing member, and a holder to hold the excitation coil and the ferromagnetic core. The holder has a surface facing the heat generator. The surface has a plurality of slits extending parallel to a direction of rotation of the fixing member. The ferromagnetic core is coupled to the holder and covers an open bottom portion of each slit of the plurality of slits to form a plurality of bottomed grooves.
摘要翻译： 定影装置包括：固定构件，其包括发热体和感应加热器，用于通过电磁感应加热固定构件。 感应加热器包括励磁线圈，铁磁芯，以形成将由励磁线圈产生的磁通量引导到固定部件的磁路，以及保持激励线圈和铁磁芯的保持器。 支架具有面向发热体的表面。 表面具有平行于固定构件的旋转方向延伸的多个狭缝。 铁磁芯被连接到保持器上并且覆盖多个狭缝的每个狭缝的开口底部以形成多个有底槽。
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公开(公告)号：US07313341B2
公开(公告)日：2007-12-25
申请号：US10528701
申请日：2004-08-05
申请人： Susumu Matsusaka
发明人： Susumu Matsusaka
CPC分类号： G03G15/80 , G03G21/1685 , G03G2215/00978 , G03G2215/20
摘要： An image forming apparatus including: a fixing unit; a main power supply that provides a portion of the heaters with voltage; and a secondary power supply that provides another portion of the heaters connected to the portion of the heaters in parallel with power provided by the main power supply. The secondary power supply is disposed below and in the neighborhood of the fixing unit. The secondary power supply may be disposed between a side face of a chassis of the image forming apparatus and the fixing unit, or at an exterior of the chassis of the image forming apparatus on the side face of the chassis. The secondary power supply can be prevented from being heated by the fixing unit.
摘要翻译： 一种图像形成装置，包括：定影单元; 主电源，为加热器的一部分提供电压; 以及次级电源，其提供与由主电源提供的电力并联的加热器的一部分连接到加热器的一部分。 二次电源设置在定影单元的下方和附近。 二次电源可以设置在图像形成装置的底盘的侧面和定影单元之间，或者设置在底盘的侧面上的图像形成装置的底架的外部。 可以防止二次电源被定影单元加热。
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公开(公告)号：US09002251B2
公开(公告)日：2015-04-07
申请号：US14182878
申请日：2014-02-18
申请人： Motokazu Hasegawa , Susumu Matsusaka , Yukari Isoe
发明人： Motokazu Hasegawa , Susumu Matsusaka , Yukari Isoe
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G2215/2032
摘要： A fixing device includes a fixing member including a heat generator and an induction heater to heat the fixing member by electromagnetic induction. The induction heater includes an excitation coil, a ferromagnetic core to form a magnetic path to direct magnetic flux arising from the excitation coil to the fixing member, and a holder to hold the excitation coil and the ferromagnetic core. The holder has a surface facing the heat generator. The surface has a plurality of slits extending parallel to a direction of rotation of the fixing member. The ferromagnetic core is coupled to the holder and covers an open bottom portion of each slit of the plurality of slits to form a plurality of bottomed grooves.
摘要翻译： 定影装置包括：固定构件，其包括发热体和感应加热器，用于通过电磁感应加热固定构件。 感应加热器包括励磁线圈，铁磁芯，以形成将由励磁线圈产生的磁通量引导到固定部件的磁路，以及保持激励线圈和铁磁芯的保持器。 支架具有面向发热体的表面。 表面具有平行于固定构件的旋转方向延伸的多个狭缝。 铁磁芯被连接到保持器上并且覆盖多个狭缝的每个狭缝的开放底部以形成多个有底槽。
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公开(公告)号：US20120155933A1
公开(公告)日：2012-06-21
申请号：US13305015
申请日：2011-11-28
IPC分类号： G03G15/20
CPC分类号： G03G15/2007 , G03G2215/2032 , H05B6/105 , H05B6/145 , H05B6/365
摘要： A fixing device includes an induction heater disposed opposite a heating rotary body and including a first side core disposed at one end of the induction heater, a second side core disposed at another end of the induction heater in a direction of rotation of the heating rotary body, and a plurality of arch cores arranged in an axial direction of the heating rotary body. Each arch core includes a first vault edge face disposed at one end of the arch core in the direction of rotation of the heating rotary body and contacting a planar face of the first side core and a second vault edge face disposed at another end of the arch core in the direction of rotation of the heating rotary body and contacting a planar face of the second side core.
摘要翻译： 定影装置包括与加热旋转体相对设置的感应加热器，包括设置在感应加热器的一端的第一侧芯，设置在感应加热器的另一端的加热旋转体的旋转方向上的第二侧芯 以及沿着加热旋转体的轴向配置的多个拱形芯。 每个拱形芯包括第一拱形边缘面，其设置在加热旋转体的旋转方向上的拱形芯的一端处，并接触第一侧芯的平面和设置在拱的另一端的第二拱顶边缘面 芯体在加热旋转体的旋转方向上并接触第二侧芯的平面。
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公开(公告)号：US07664450B2
公开(公告)日：2010-02-16
申请号：US11812150
申请日：2007-06-15
IPC分类号： G03G15/20
CPC分类号： G03G15/2057 , G03G15/2042 , G03G2215/2016 , G03G2215/2032
摘要： An image fixing apparatus stably maintains high efficiency in heat generation and reduces excessive heat and loss of electric power consumption for fixing image. In at least one embodiment, the image fixing apparatus includes a magnetic flux generating member to generate a magnetic flux, and a heat member to generate heat with the magnetic flux. The heat member includes a first heat layer and a second heat layer having a relatively higher volume resistivity than the first heat layer, and having different thickness and/or different volume resistivity depending on a position in the width direction of the second heat layer. Portions of the magnetic flux generating member face different sides of the heat member.
摘要翻译： 图像定影装置稳定地保持发热效率高并且减少了定影图像的过热和耗电量。 在至少一个实施例中，图像定影装置包括用于产生磁通量的磁通量产生部件，以及利用磁通量产生热量的加热部件。 加热构件包括第一加热层和具有比第一加热层相对更高的体积电阻率的第二加热层，并且根据第二加热层的宽度方向上的位置具有不同的厚度和/或不同的体积电阻率。 磁通量产生部件的部分面向加热部件的不同侧面。
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公开(公告)号：US20080003030A1
公开(公告)日：2008-01-03
申请号：US11812150
申请日：2007-06-15
IPC分类号： G03G15/20
CPC分类号： G03G15/2057 , G03G15/2042 , G03G2215/2016 , G03G2215/2032
摘要： An image fixing apparatus stably maintains high efficiency in heat generation and reduces excessive heat and loss of electric power consumption for fixing image. In at least one embodiment, the image fixing apparatus includes a magnetic flux generating member to generate a magnetic flux, and a heat member to generate heat with the magnetic flux. The heat member includes a first heat layer and a second heat layer having a relatively higher volume resistivity than the first heat layer, and having different thickness and/or different volume resistivity depending on a position in the width direction of the second heat layer. Portions of the magnetic flux generating member face different sides of the heat member.
摘要翻译： 图像定影装置稳定地保持发热效率高并且减少了定影图像的过热和耗电量。 在至少一个实施例中，图像定影装置包括用于产生磁通量的磁通量产生部件，以及利用磁通量产生热量的加热部件。 加热构件包括第一加热层和具有比第一加热层相对更高的体积电阻率的第二加热层，并且根据第二加热层的宽度方向上的位置具有不同的厚度和/或不同的体积电阻率。 磁通量产生部件的部分面向加热部件的不同侧面。
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