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    • 1. 发明授权
    • Electromagnetic fuel injection valve and method of manufacturing the same
    • 电磁燃油喷射阀及其制造方法
    • US08246005B2
    • 2012-08-21
    • US12488222
    • 2009-06-19
    • Toshikazu SakaiRyuji Aoki
    • Toshikazu SakaiRyuji Aoki
    • F16K31/02
    • F02M61/1853F02M61/168Y10T29/49009
    • In an electromagnetic fuel injection valve in which: a suction tubular part projecting toward an inside of a nonmagnetic cylindrical body is provided to a front end portion of a stationary core; and a front end of the suction tubular part and a rear end of a movable core are opposed to each other in the inside of the nonmagnetic cylindrical body, an annular gap allowing influx of pressure fluid used for a check of liquid-tightness between the nonmagnetic cylindrical body and the stationary core is provided between an outer peripheral surface of the suction tubular part and an inner peripheral surface of the nonmagnetic cylindrical body. Accordingly, it enables a quick and efficient judgment to be made on a check on liquid-tightness of a welded part by applying fluid pressure to the inside of the valve housing after the valve housing of the electromagnetic fuel injection valve is produced.
    • 一种电磁燃料喷射阀,其特征在于,在固定铁芯的前端部设有向非磁性圆筒体内侧突出的吸引筒状部, 抽吸管状部分的前端和可动芯体的后端在非磁性圆柱体的内部彼此相对,允许流入用于检查非磁性的液体密封性的压力流体的环形间隙 圆柱体和固定芯设置在吸入管状部分的外周表面和非磁性圆柱体的内周表面之间。 因此,通过在制造电磁燃料喷射阀的阀壳体之后,通过向阀壳体的内部施加流体压力,可以快速有效地判断对焊接部件的液密性的检查。
    • 2. 发明授权
    • Fuel injection valve
    • 燃油喷射阀
    • US07637442B2
    • 2009-12-29
    • US11885987
    • 2006-03-07
    • Ryuji AokiDaisuke SatoAtsushi KamahoraAkira Arioka
    • Ryuji AokiDaisuke SatoAtsushi KamahoraAkira Arioka
    • F02M61/00
    • F02M61/1806F02M51/0682F02M61/1833F02M61/1853F02M2200/8015F02M2200/8084
    • A fuel injection valve is provided that includes a valve seat member (3) having a conical valve seat (8) and a valve hole (7) formed through a central part of the valve seat (8), a valve body (18) working in cooperation with the valve seat (8), and an injector plate (10) joined to the valve seat member (3) and having a plurality of fuel injection holes (11) radially outwardly displaced from the valve hole (7), a diffusion chamber (39) providing communication between the valve hole (7) and the fuel injection holes (11) being provided between the valve seat member (3) and the injector plate (10), wherein the diffusion chamber (39) formed between the valve seat member (3) and the injector plate (10) is in an annular shape, has a diameter that is larger than that of the valve hole (7), and has inner ends of the fuel injection holes (11) opening therein, and a plurality of fuel passages (42a, 42b) are disposed within the valve hole (7), the plurality of fuel passages (42a, 42b) reversing within the valve hole (7) fuel that has passed through the valve seat (8) and guiding the fuel to the diffusion chamber (39). This enables atomization of injected fuel to be promoted and penetrability to be improved for the fuel injection valve.
    • 提供一种燃料喷射阀,其包括具有锥形阀座(8)的阀座构件(3)和通过阀座(8)的中心部分形成的阀孔(7),阀体(18)工作 与阀座(8)配合,以及连接到阀座构件(3)并具有从阀孔(7)径向向外移位的多个燃料喷射孔(11)的喷射板(10),扩散 在所述阀座(7)和所述燃料喷射孔(11)之间提供连通的腔室(39),所述燃料喷射孔设置在所述阀座构件(3)和所述喷射器板(10)之间,其中所述扩散室 座部件(3)和喷射板(10)呈环状,其直径大于阀孔(7)的直径,并且其内部的燃料喷射孔(11)的内端开放, 多个燃料通路(42a,42b)设置在阀孔(7)内,多个燃料通路(42a,42b) 使已经通过阀座(8)并将燃料引导到扩散室(39)的阀孔(7)变薄。 这样可以促进喷射的燃料的雾化,并且燃料喷射阀的渗透性得到改善。
    • 3. 发明申请
    • Fuel Injection Valve
    • 燃油喷射阀
    • US20080203194A1
    • 2008-08-28
    • US11885987
    • 2006-03-07
    • Ryuji AokiDaisuke SatoAtsushi KamahoraAkira Arioka
    • Ryuji AokiDaisuke SatoAtsushi KamahoraAkira Arioka
    • F02M61/18
    • F02M61/1806F02M51/0682F02M61/1833F02M61/1853F02M2200/8015F02M2200/8084
    • A fuel injection valve is provided that includes a valve seat member (3) having a conical valve seat (8) and a valve hole (7) formed through a central part of the valve seat (8), a valve body (18) working in cooperation with the valve seat (8), and an injector plate (10) joined to the valve seat member (3) and having a plurality of fuel injection holes (11) radially outwardly displaced from the valve hole (7), a diffusion chamber (39) providing communication between the valve hole (7) and the fuel injection holes (11) being provided between the valve seat member (3) and the injector plate (10), wherein the diffusion chamber (39) formed between the valve seat member (3) and the injector plate (10) is in an annular shape, has a diameter that is larger than that of the valve hole (7), and has inner ends of the fuel injection holes (11) opening therein, and a plurality of fuel passages (42a, 42b) are disposed within the valve hole (7), the plurality of fuel passages (42a, 42b) reversing within the valve hole (7) fuel that has passed through the valve seat (8) and guiding the fuel to the diffusion chamber (39). This enables atomization of injected fuel to be promoted and penetrability to be improved for the fuel injection valve.
    • 提供一种燃料喷射阀,其包括具有锥形阀座(8)的阀座构件(3)和通过阀座(8)的中心部分形成的阀孔(7),阀体(18)工作 与阀座(8)配合,以及连接到阀座构件(3)并具有从阀孔(7)径向向外移位的多个燃料喷射孔(11)的喷射板(10),扩散 在所述阀座(7)和所述燃料喷射孔(11)之间提供连通的腔室(39),所述燃料喷射孔设置在所述阀座构件(3)和所述喷射器板(10)之间,其中所述扩散室 座部件(3)和喷射板(10)呈环状,其直径大于阀孔(7)的直径,并且其内部的燃料喷射孔(11)的内端开放, 多个燃料通路(42a,42b)设置在阀孔(7)内 燃料通道(42a,42b)在阀孔(7)内反转已经通过阀座(8)的燃料并将燃料引导到扩散室(39)。 这样可以促进喷射的燃料的雾化,并且燃料喷射阀的渗透性得到改善。
    • 5. 发明授权
    • Electromagnetic field injection valve
    • 电磁燃油喷射阀
    • US07753292B2
    • 2010-07-13
    • US11896471
    • 2007-08-31
    • Ryohei KimuraJunichi MiyashitaRyuji Aoki
    • Ryohei KimuraJunichi MiyashitaRyuji Aoki
    • F02M51/00
    • F02M51/0682F02M51/0632F02M61/1853Y10S239/90
    • A valve assembly including a valve element and a movable core is housed in a valve housing including a valve seat member, a magnetic cylinder, a nonmagnetic collar and a stationary core. A coil assembly is disposed on an outer periphery of the stationary core, and housed in a coil housing. The coil housing has a front end wall part which is formed such that a thickness thereof in an axial direction is larger than a thickness of its shell part in a radial direction. A magnetic path forming part is formed by the front end wall part and a rear-side cylinder part of the magnetic cylinder which is fitted to an inner peripheral surface of the front end wall part. The magnetic path forming part surrounds the movable core substantially by the entirety of its inner peripheral surface to magnetically connect the movable core and the shell part to each other. A positioning step part is formed at a rear end of the magnetic cylinder so as to support a front end of the magnetic assembly. Thus, it is possible to prevent magnetic flux saturation from occurring in the front end wall part of the coil housing, thereby improving characteristics of attraction force between the stationary core and the movable core and also stabilizing the characteristics of the attraction force.
    • 包括阀元件和可动芯的阀组件容纳在包括阀座构件,磁性缸,非磁性环和固定芯的阀壳体中。 线圈组件设置在固定芯的外周上,并且容纳在线圈壳体中。 线圈壳体具有前端壁部,其形成为使得其轴向的厚度大于其壳部的径向厚度。 磁路形成部由与前端壁部的内周面嵌合的磁筒的前端壁部和后侧筒部形成。 磁路形成部分基本上由其内周表面的整体围绕可动芯,以将可动芯和外壳部彼此磁连接。 定位台阶部形成在磁性圆筒的后端,以支撑磁性组件的前端。 因此,可以防止在线圈壳体的前端壁部产生磁通饱和,从而提高固定芯与可动芯之间的吸引力的特性,并且还可以稳定吸引力的特性。
    • 6. 发明申请
    • Electromagnetic fuel injection valve
    • 电磁燃油喷射阀
    • US20080061170A1
    • 2008-03-13
    • US11896471
    • 2007-08-31
    • Ryohei KimuraJunichi MiyashitaRyuji Aoki
    • Ryohei KimuraJunichi MiyashitaRyuji Aoki
    • F02M51/06F16K31/10
    • F02M51/0682F02M51/0632F02M61/1853Y10S239/90
    • A valve assembly including a valve element and a movable core is housed in a valve housing including a valve seat member, a magnetic cylinder, a nonmagnetic collar and a stationary core. A coil assembly is disposed on an outer periphery of the stationary core, and housed in a coil housing. The coil housing has a front end wall part which is formed such that a thickness thereof in an axial direction is larger than a thickness of its shell part in a radial direction. A magnetic path forming part is formed by the front end wall part and a rear-side cylinder part of the magnetic cylinder which is fitted to an inner peripheral surface of the front end wall part. The magnetic path forming part surrounds the movable core substantially by the entirety of its inner peripheral surface to magnetically connect the movable core and the shell part to each other. A positioning step part is formed at a rear end of the magnetic cylinder so as to support a front end of the magnetic assembly. Thus, it is possible to prevent magnetic flux saturation from occurring in the front end wall part of the coil housing, thereby improving characteristics of attraction force between the stationary core and the movable core and also stabilizing the characteristics of the attraction force.
    • 包括阀元件和可动芯的阀组件容纳在包括阀座构件,磁性缸,非磁性环和固定芯的阀壳体中。 线圈组件设置在固定芯的外周上,并且容纳在线圈壳体中。 线圈壳体具有前端壁部,其形成为使得其轴向的厚度大于其壳部的径向厚度。 磁路形成部由与前端壁部的内周面嵌合的磁筒的前端壁部和后侧筒部形成。 磁路形成部分基本上由其内周表面的整体围绕可动芯,以将可动芯和外壳部彼此磁连接。 定位台阶部形成在磁性圆筒的后端,以支撑磁性组件的前端。 因此,可以防止在线圈壳体的前端壁部产生磁通饱和,从而提高固定芯与可动芯之间的吸引力的特性,并且还可以稳定吸引力的特性。
    • 7. 发明授权
    • Ink-jet printer and star roller used therein
    • 其中使用喷墨打印机和星形辊
    • US07086730B2
    • 2006-08-08
    • US10950641
    • 2004-09-28
    • Ryuji Aoki
    • Ryuji Aoki
    • B65H3/06
    • B41J13/02B65H2404/1416B65H2601/251
    • A star roller used in a paper feed mechanism of an ink-jet printer is constituted by a combination of two star roller units having the same shape in a manner so that one star roller unit is reversed with respect to the other star roller unit. Each star roller unit has a star wheel made of a metal plate by press working, a bearing portion integrally formed with the star wheel by outsert molding and a convex and concave structure formed on an end face of the bearing portion in a manner so that the concave portions of the convex and concave structure of the one star roller unit is engaged with the convex portions the convex and concave structure of the other star roller unit. Consequently, the pitch of the contacting portions of the star roller owing to two star wheels can be made substantially half, and a thickness of each contacting portion can be made thinner, and a top end of each contacting portion can be shaped acute.
    • 在喷墨打印机的进纸机构中使用的星形辊由具有相同形状的两个星形辊单元的组合构成,使得一个星形辊单元相对于另一个星形辊单元反向。 每个星形罗拉单元具有通过冲压加工由金属板制成的星形轮,通过外插成型与星形轮整体形成的轴承部分,以及形成在轴承部分的端面上的凸形和凹形结构, 一个星形辊单元的凹凸结构的凹部与凸部接合,另一个星形辊单元的凸起和凹形结构。 因此,由于两个星形轮,星形辊的接触部分的间距可以大致为一半,并且可以使每个接触部分的厚度更薄,并且每个接触部分的顶端可以形成为尖锐的。
    • 9. 发明申请
    • ELECTROMAGNETIC FUEL INJECTION VALVE AND METHOD OF MANUFACTURING THE SAME
    • 电磁燃油喷射阀及其制造方法
    • US20100001214A1
    • 2010-01-07
    • US12488222
    • 2009-06-19
    • Toshikazu SAKAIRyuji Aoki
    • Toshikazu SAKAIRyuji Aoki
    • F16K31/06H02K15/00
    • F02M61/1853F02M61/168Y10T29/49009
    • In an electromagnetic fuel injection valve in which: a suction tubular part projecting toward an inside of a nonmagnetic cylindrical body is provided to a front end portion of a stationary core; and a front end of the suction tubular part and a rear end of a movable core are opposed to each other in the inside of the nonmagnetic cylindrical body, an annular gap allowing influx of pressure fluid used for a check of liquid-tightness between the nonmagnetic cylindrical body and the stationary core is provided between an outer peripheral surface of the suction tubular part and an inner peripheral surface of the nonmagnetic cylindrical body. Accordingly, it enables a quick and efficient judgment to be made on a check on liquid-tightness of a welded part by applying fluid pressure to the inside of the valve housing after the valve housing of the electromagnetic fuel injection valve is produced.
    • 一种电磁燃料喷射阀,其特征在于,在固定铁芯的前端部设有向非磁性圆筒体内侧突出的吸引筒状部, 抽吸管状部分的前端和可动芯体的后端在非磁性圆柱体的内部彼此相对,允许流入用于检查非磁性的液体密封性的压力流体的环形间隙 圆柱体和固定芯设置在吸入管状部分的外周表面和非磁性圆柱体的内周表面之间。 因此,通过在制造电磁燃料喷射阀的阀壳体之后,通过向阀壳体的内部施加流体压力,可以快速有效地判断对焊接部件的液密性的检查。
    • 10. 发明申请
    • Ink jet printer
    • 喷墨打印机
    • US20060092208A1
    • 2006-05-04
    • US11262981
    • 2005-11-01
    • Mikio ShokiRyuji AokiToshiyuki NakanishiYuichiro ItohMakoto Tsujinishi
    • Mikio ShokiRyuji AokiToshiyuki NakanishiYuichiro ItohMakoto Tsujinishi
    • B41J29/38
    • B41J11/0095
    • In an ink jet printer using an ink cartridge having an ink tank for storing ink therein and a recording head for ejecting the ink stored in the ink tank as ink drops and forming an image on a recording paper sheet, the detection accuracy of a displacement detection sensor for detecting a displacement of printing position is improved while reducing manufacturing costs of the displacement detection sensor. The displacement detection sensor is comprised of a light emitting device for emitting diffused light, a first lens for focusing the light emitted from the light emitting device on a recording paper sheet, a second lens for focusing the light reflected by the recording paper sheet and a light receiving device for receiving the light focused by the second lens. By focusing the diffused light emitted from the light emitting device by the first lens, the diameter of a beam spot projected on the recording paper sheet is made smaller than a longitudinal dimension and a width dimension of each component forming a displacement detection pattern.
    • 在使用具有用于储存墨水的墨水盒的墨盒的喷墨打印机和用于将存储在墨水盒中的墨水作为墨滴喷射并在记录纸上形成图像的记录头的位置检测的检测精度 用于检测打印位置的位移的传感器被提高,同时降低位移检测传感器的制造成本。 位移检测传感器包括用于发射漫射光的发光装置,用于将从发光装置发射的光聚焦在记录纸上的第一透镜,用于聚焦由记录纸张反射的光的第二透镜和 用于接收由第二透镜聚焦的光的光接收装置。 通过聚焦通过第一透镜从发光器件发射的漫射光,使得突出在记录纸上的光束点的直径小于形成位移检测图案的每个部件的纵向尺寸和宽度尺寸。