公开(公告)号：US20120177415A1

公开(公告)日：2012-07-12

申请号：US13343157

申请日：2012-01-04

申请人： Tomohisa Yoshida ,  Masayasu Haga ,  Kanji Nakayama ,  Wataru Onoda ,  Narutaka Yoshida ,  Noboru Ito

发明人： Tomohisa Yoshida ,  Masayasu Haga ,  Kanji Nakayama ,  Wataru Onoda ,  Narutaka Yoshida ,  Noboru Ito

IPC分类号： G03G15/08

CPC分类号： G03G15/0813 ,  G03G15/0896

摘要： An image forming apparatus for forming a toner image on a print medium with a developer composed of toner and carriers, wherein when the first distance is longer than the second distance, an average gap between the first peripheral surface and a member that faces to the first peripheral surface in an area with a length of the first distance extending upstream from the closest point with respect to the specified direction is smaller than an average gap between the first peripheral surface and a member that faces to the first peripheral surface in an area with a length of the first distance extending downstream from the closest point with respect to the specified direction.

摘要翻译： 一种图像形成装置，用于在具有由调色剂和载体构成的显影剂的打印介质上形成调色剂图像，其中当所述第一距离长于所述第二距离时，所述第一周边表面和面向所述第一距离的构件之间的平均间隙 在相对于指定方向从最近点延伸上游的第一距离的长度的区域中的周边表面小于在第一周边表面和面向第一周边表面的部件之间的平均间隙 从相对于指定方向的最近点延伸下游的第一距离的长度。

公开(公告)号：US20120177416A1

公开(公告)日：2012-07-12

申请号：US13344022

申请日：2012-01-05

申请人： Kanji NAKAYAMA ,  Masayasu Haga ,  Tomohisa Yoshida ,  Wataru Onoda ,  Narutaka Yoshida ,  Noboru Ito

发明人： Kanji NAKAYAMA ,  Masayasu Haga ,  Tomohisa Yoshida ,  Wataru Onoda ,  Narutaka Yoshida ,  Noboru Ito

IPC分类号： G03G15/08

CPC分类号： G03G15/0907 ,  G03G15/0928

摘要： An image forming apparatus, wherein the packing density at a closest point where the first peripheral surface and the second peripheral surface are the closest to each other is within a range from 0.3 to 0.4; wherein a maximum magnetic flux density of a principal magnetic pole for generating the magnetic field for development is located in an upstream side from the closest point with respect to the specified direction and at a point where the packing density is equal to or greater than 0.2; and wherein a magnetic flux density of the principal magnetic pole at a point where the packing density is 0.2 in a downstream side from the closest point with respect to the specified direction is equal to or less than ½ of a magnetic flux density of the principal magnetic pole at a point where the packing density is 0.2 in the upstream side.

摘要翻译： 一种图像形成装置，其中，所述第一周面和所述第二周面最接近的最靠近处的填充密度在0.3〜0.4的范围内; 其中用于产生用于显影的磁场的主磁极的最大磁通密度位于相对于指定方向的最近点的上游侧，并且在填充密度等于或大于0.2的点处; 并且其中，相对于规定方向从最近点起的下游侧的填充密度为0.2的点处的主磁极的磁通密度等于或小于主磁体的磁通密度的1/2 在上游侧的填充密度为0.2的点处。

公开(公告)号：US08824938B2

公开(公告)日：2014-09-02

申请号：US13344022

申请日：2012-01-05

申请人： Kanji Nakayama ,  Masayasu Haga ,  Tomohisa Yoshida ,  Wataru Onoda ,  Narutaka Yoshida ,  Noboru Ito

发明人： Kanji Nakayama ,  Masayasu Haga ,  Tomohisa Yoshida ,  Wataru Onoda ,  Narutaka Yoshida ,  Noboru Ito

IPC分类号： G03G15/08 ,  G03G15/09

CPC分类号： G03G15/0907 ,  G03G15/0928

摘要： An image forming apparatus, wherein the packing density at a closest point where the first peripheral surface and the second peripheral surface are the closest to each other is within a range from 0.3 to 0.4; wherein a maximum magnetic flux density of a principal magnetic pole for generating the magnetic field for development is located in an upstream side from the closest point with respect to the specified direction and at a point where the packing density is equal to or greater than 0.2; and wherein a magnetic flux density of the principal magnetic pole at a point where the packing density is 0.2 in a downstream side from the closest point with respect to the specified direction is equal to or less than ½ of a magnetic flux density of the principal magnetic pole at a point where the packing density is 0.2 in the upstream side.

摘要翻译： 一种图像形成装置，其中，所述第一周面和所述第二周面最接近的最靠近处的填充密度在0.3〜0.4的范围内; 其中用于产生用于显影的磁场的主磁极的最大磁通密度位于相对于指定方向的最近点的上游侧，并且在填充密度等于或大于0.2的点处; 并且其中，相对于规定方向从最近点起的下游侧的填充密度为0.2的点处的主磁极的磁通密度等于或小于主磁体的磁通密度的1/2 在上游侧的填充密度为0.2的点处。

公开(公告)号：US08693929B2

公开(公告)日：2014-04-08

申请号：US13343157

申请日：2012-01-04

申请人： Tomohisa Yoshida ,  Masayasu Haga ,  Kanji Nakayama ,  Wataru Onoda ,  Narutaka Yoshida ,  Noboru Ito

发明人： Tomohisa Yoshida ,  Masayasu Haga ,  Kanji Nakayama ,  Wataru Onoda ,  Narutaka Yoshida ,  Noboru Ito

IPC分类号： G03G15/08

CPC分类号： G03G15/0813 ,  G03G15/0896

摘要： An image forming apparatus for forming a toner image on a print medium with a developer composed of toner and carriers, wherein when the first distance is longer than the second distance, an average gap between the first peripheral surface and a member that faces to the first peripheral surface in an area with a length of the first distance extending upstream from the closest point with respect to the specified direction is smaller than an average gap between the first peripheral surface and a member that faces to the first peripheral surface in an area with a length of the first distance extending downstream from the closest point with respect to the specified direction.

摘要翻译： 一种图像形成装置，用于在具有由调色剂和载体构成的显影剂的打印介质上形成调色剂图像，其中当所述第一距离长于所述第二距离时，所述第一外围表面和面向所述第一距离的构件之间的平均间隙 在相对于指定方向从最近点延伸上游的第一距离的长度的区域中的周边表面小于在第一周边表面和面向第一周边表面的部件之间的平均间隙 从相对于指定方向的最近点延伸下游的第一距离的长度。

公开(公告)号：US20120003014A1

公开(公告)日：2012-01-05

申请号：US13173928

申请日：2011-06-30

申请人： Kanji NAKAYAMA ,  Masayasu Haga ,  Tomohisa Yoshida ,  Wataru Onoda ,  Yoshiyuki Iguchi ,  Noboru Ito

发明人： Kanji NAKAYAMA ,  Masayasu Haga ,  Tomohisa Yoshida ,  Wataru Onoda ,  Yoshiyuki Iguchi ,  Noboru Ito

IPC分类号： G03G15/09

CPC分类号： G03G15/081 ,  G03G15/0812 ,  G03G15/09

摘要： A two-component developing device using a developer containing toner and magnetic carrier particles. The developing device comprises a housing, a developing roller, a magnetic field generator mounted inside the developing roller, and a developer restricting member, and further comprises a developer guide member providing a developer guide path for guiding the developer to the developer amount restricting clearance, providing a developer circulation path for circulating the developer to an upstream end of the guide member, and providing a communication path for bringing the developer guide path into communication with the developer circulation path, an upstream end of the guide member being positioned above the position of a peak of magnetic flux density of the magnetic pole of the magnetic field generator which is closest to a low-magnetic force area downstream of the low-magnetic force area or positioned upstream of such a position and downstream of the low-magnetic force area. An image forming device in which such a two-component developing device is employed as at least one developing device.

摘要翻译： 一种使用含有调色剂和磁性载体颗粒的显影剂的双组分显影装置。 显影装置包括壳体，显影辊，安装在显影辊内部的磁场发生器和显影剂限制构件，并且还包括显影剂引导构件，显影剂引导构件提供用于将显影剂引导至显影剂量限制间隙的显影剂引导路径， 提供用于使显影剂循环到引导构件的上游端的显影剂循环路径，并且提供用于使显影剂引导路径与显影剂循环路径连通的连通路径，引导构件的上游端位于 磁场发生器的磁极的磁通密度的峰值最靠近低磁力区域下游的低磁力区域或者位于低磁力区域的这个位置的下游。 使用这种双组分显影装置作为至少一个显影装置的图像形成装置。

公开(公告)号：US08639167B2

公开(公告)日：2014-01-28

申请号：US13173928

申请日：2011-06-30

申请人： Kanji Nakayama ,  Masayasu Haga ,  Tomohisa Yoshida ,  Wataru Onoda ,  Yoshiyuki Iguchi ,  Noboru Ito

发明人： Kanji Nakayama ,  Masayasu Haga ,  Tomohisa Yoshida ,  Wataru Onoda ,  Yoshiyuki Iguchi ,  Noboru Ito

IPC分类号： G03G15/095 ,  G03G15/08

CPC分类号： G03G15/081 ,  G03G15/0812 ,  G03G15/09

摘要： A two-component developing device using a developer containing toner and magnetic carrier particles. The developing device comprises a housing, a developing roller, a magnetic field generator mounted inside the developing roller, and a developer restricting member, and further comprises a developer guide member providing a developer guide path for guiding the developer to the developer amount restricting clearance, providing a developer circulation path for circulating the developer to an upstream end of the guide member, and providing a communication path for bringing the developer guide path into communication with the developer circulation path, an upstream end of the guide member being positioned above the position of a peak of magnetic flux density of the magnetic pole of the magnetic field generator which is closest to a low-magnetic force area downstream of the low-magnetic force area or positioned upstream of such a position and downstream of the low-magnetic force area. An image forming device in which such a two-component developing device is employed as at least one developing device.

摘要翻译： 一种使用含有调色剂和磁性载体颗粒的显影剂的双组分显影装置。 显影装置包括壳体，显影辊，安装在显影辊内部的磁场发生器和显影剂限制构件，并且还包括显影剂引导构件，显影剂引导构件提供用于将显影剂引导至显影剂量限制间隙的显影剂引导路径， 提供用于使显影剂循环到引导构件的上游端的显影剂循环路径，并且提供用于使显影剂引导路径与显影剂循环路径连通的连通路径，引导构件的上游端位于 磁场发生器的磁极的磁通密度的峰值最靠近低磁力区域下游的低磁力区域或者位于低磁力区域的这个位置的下游。 使用这种双组分显影装置作为至少一个显影装置的图像形成装置。

公开(公告)号：US08356546B2

公开(公告)日：2013-01-22

申请号：US12410259

申请日：2009-03-24

申请人： Masahiro Matsuo ,  Makoto Ito ,  Noboru Ito

发明人： Masahiro Matsuo ,  Makoto Ito ,  Noboru Ito

IPC分类号： F15B11/044 ,  F15B13/01

CPC分类号： F15B13/01 ,  F15B11/044 ,  F15B2211/20538 ,  F15B2211/30515 ,  F15B2211/30525 ,  F15B2211/3111 ,  F15B2211/329 ,  F15B2211/635 ,  F15B2211/7053 ,  Y10T137/7766

摘要： A holding control valve of the present invention is configured such that: a spool is configured to perform strokes by a piston configured to operate by introduction of pilot pressure and have a larger diameter than the spool; the piston is divided into a pilot piston configured to receive the pilot pressure and a relief operation piston disposed adjacent to the spool to receive pressure of relief oil discharged when a relief valve operates; and the relief oil is introduced to between the pilot piston and the relief operation piston.

摘要翻译： 本发明的保持控制阀被构造成：阀芯构造成通过引导引导压力并且具有比阀芯更大的直径的活塞构造成执行行程; 活塞被分成被配置为接收先导压力的先导活塞和邻近阀芯设置的释放操作活塞，以在安全阀操作时接收排出的溢流油的压力; 并且救济油被引导到先导活塞和释放操作活塞之间。

公开(公告)号：US07919007B2

公开(公告)日：2011-04-05

申请号：US11611180

申请日：2006-12-15

申请人： Yoshihiko Minachi ,  Noboru Ito ,  Yuuki Aburakawa ,  Yoshinori Fujikawa ,  Satoko Ueda

发明人： Yoshihiko Minachi ,  Noboru Ito ,  Yuuki Aburakawa ,  Yoshinori Fujikawa ,  Satoko Ueda

IPC分类号： C04B35/40 ,  C04B35/26 ,  H01F1/00

CPC分类号： C04B35/2633 ,  C04B35/2641 ,  C04B35/6262 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3227 ,  C04B2235/3277 ,  C04B2235/3418 ,  C04B2235/5409 ,  C04B2235/5445 ,  C04B2235/605 ,  C04B2235/656 ,  C04B2235/6562

摘要： The present invention provides a ferrite magnetic material capable of attaining such magnetic properties that Br+(⅓)HcJ is 6200 or more even by sintering at a temperature of 1150° C. or lower. The ferrite magnetic material includes as a main phase thereof a ferrite phase having a hexagonal structure, the main phase being represented by the following composition formula (1): LaxCamα1−x−m(Fe12−yCoy)z with α representing one or two of Ba and Sr; wherein the constituent ratios of the metal elements constituting the main phase satisfy the following conditions: x and m are the values in a region bounded by the points, A: (0.53, 0.27), B: (0.64, 0.27), C: (0.64, 0.35), D: (0.53, 0.45), E: (0.47, 0.45) and F: (0.47, 0.32) in the (x, m) coordinates shown in FIG. 2; 1.3≦x/yz≦1.8; and 9.5≦12z≦11.0.

摘要翻译： 本发明提供一种铁氧体磁性材料，即使在1150℃以下的温度下烧结也能够得到Br +（1/3）HcJ为6200以上的磁特性。 铁氧体磁性材料主要包括具有六方结构的铁素体相，主相由以下组成式（1）表示：LaxCamα1-x-m（Fe12-yCoy）z，其中α表示一个或两个 Ba和Sr; 其中构成主相的金属元素的组成比满足以下条件：x和m是由点限定的区域中的值，A：（0.53,0.27），B：（0.64,0 .27），C：（ 0.64,0.35），D：（0.53,0.45），E：（0.47,0.45）和F：（0.47,0.32）。 2; 1.3＆nlE; x / yz＆nlE; 1.8; 和9.5＆nlE; 12z＆nlE; 11.0。

公开(公告)号：US20100320406A1

公开(公告)日：2010-12-23

申请号：US12817981

申请日：2010-06-17

申请人： Masahiro Matsuo ,  Noboru Ito ,  Yuko Funakubo

发明人： Masahiro Matsuo ,  Noboru Ito ,  Yuko Funakubo

IPC分类号： F16K31/02

CPC分类号： G05D7/0635 ,  F15B13/0417 ,  F15B13/0442 ,  F15B2211/30535 ,  F15B2211/327 ,  F15B2211/45 ,  F15B2211/50518 ,  F15B2211/50572 ,  Y10T137/86622

摘要： A pressure compensated electromagnetic proportional directional flow control valve of the present invention integrally includes: an electromagnetic proportional directional flow control valve configured to be driven by a solenoid; and a pressure compensated valve configured to carry out pressure compensation of a flow rate controlled by the electromagnetic proportional directional flow control valve. A pressure compensation spool moves so as to balance forces of a spring, a first pressure chamber, and a second pressure chamber. With this, the pressure compensation for maintaining a constant pressure difference between an upstream side and a downstream side of a first variable aperture can be carried out, and a surplus liquid of a liquid flowing from a liquid-pressure supply port to a derivation port can flow out from a branch port to outside.

摘要翻译： 本发明的压力补偿电磁比例定向流量控制阀整体地包括：电磁比例方向流量控制阀，其构造为由螺线管驱动; 以及压力补偿阀，被配置为对由电磁比例方向流量控制阀控制的流量进行压力补偿。 压力补偿阀芯移动以平衡弹簧，第一压力室和第二压力室的力。 由此，可以进行用于维持第一可变孔径的上游侧和下游侧之间的恒定压力差的压力补偿，并且从液体压力供给口流向导出口的液体的剩余液体可以 从分支口流出到外面。

公开(公告)号：US20090154963A1

公开(公告)日：2009-06-18

申请号：US12334739

申请日：2008-12-15

申请人： Noboru Ito

发明人： Noboru Ito

IPC分类号： G03G15/08

CPC分类号： G03G15/0818 ,  G03G15/0928 ,  G03G2215/0604 ,  G03G2215/0861

摘要： A hybrid developing carrier, comprising a resin layer formed on an outermost surface, wherein the surface of said resin layer is provided with sites formed of an inorganic compound having basic points or acidic points and sites where the resin forming the resin layer is exposed, a hybrid developing device equipped with the hybrid developing carrier, and an image-forming apparatus equipped with the hybrid developing device.

摘要翻译： 一种混合显影载体，包括在最外表面上形成的树脂层，其中所述树脂层的表面设置有由具有基本点或酸性点的无机化合物形成的位置以及形成树脂层的树脂露出的位置， 配备有混合显影载体的混合显影装置和配备有混合显影装置的图像形成装置。