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    • 4. 发明授权
    • Printing machine
    • 印刷机
    • US5021810A
    • 1991-06-04
    • US542987
    • 1990-06-25
    • Katsumi MuroiKenji OkunaHidefumi OtsukaKastubumi OuchiTsutomu IimuraRyoji Kojima
    • Katsumi MuroiKenji OkunaHidefumi OtsukaKastubumi OuchiTsutomu IimuraRyoji Kojima
    • B41J2/385B41J2/43G03G15/05G03G15/34
    • G03G15/348B41J2/43G03G2217/0033
    • A printing machine according to the present invention, comprises electrically conductive and magnetically inductive printing toner, an array of electrode-needles contacting with toner, each of the electrode-needles arranged apart from the adjacent electrode-needles in the array and individually energized in accordance with a desired printing pattern to electrify the toner communicating electrically with the energized electrode-needle, recording means including an electrically conductive portion and an insulating surface which extends on the electrically conductive portion and is arranged away from the array of electrode-needles to face thereto and to contact with the toner arranged between the electrode-needles and the insulating surface, the voltage applied to the electrically conductive portion being positive when the voltage applied to the energized electrode-needles is negative or the voltage applied to the electrically conductive portion being negative when the voltage applied to the energized electrode-needles is positive so that the toner electrified by the energized electrode-needle is attracted and attached to the insulating surface by the electrically conductive portion, the insulating surface moving in relation to the array of electrode-needles so that the toner is attached to an area of the insulating surface, magnetic means for attracting the magnetically inductive printing toner to form toner chains between the array of the electrode-needles and the insulating surface, and transferring means for transferring the toner from the insulating surface to a work piece, wherein longitudinally extending surfaces of the electrode-needles face to the insulating surface to electrify the printing toner arranged between the electrode-needles and the insulating surface.
    • 根据本发明的印刷机包括导电和磁感应印刷调色剂,与调色剂接触的电极针阵列,每个电极针布置在阵列中与相邻的电极针分开并且按照 具有期望的印刷图案,以使与通电的电极针电气连通的调色剂通电,记录装置包括导电部分和在导电部分上延伸的绝缘表面,并且远离电极针阵列布置以面对它 并且与布置在电极针和绝缘表面之间的调色剂接触,当施加到通电的电极针的电压为负时,施加到导电部分的电压为正,或者施加到导电部分的电压为负 当施加电压时 通电的电极针是正的,使得由通电的电极针带电的调色剂被导电部分吸引并附着到绝缘表面,绝缘表面相对于电极针阵列移动,使得调色剂 附着在绝缘表面的区域上的磁性装置,用于吸引磁感应打印调色剂以在电极针阵列和绝缘表面之间形成调色剂链的磁性装置,以及用于将调色剂从绝缘表面转移到工件的转印装置 其中电极针的纵向延伸的表面面向绝缘表面,以使设置在电极针和绝缘表面之间的印刷色粉带电。
    • 9. 发明授权
    • Gear pump and fuel transfer system using the gear pump
    • 齿轮泵和燃油传输系统采用齿轮泵
    • US6047684A
    • 2000-04-11
    • US36999
    • 1998-03-09
    • Kenji HirakuYuzo KadomukaiYukio TakahashiKenji OkunaYasuo Kita
    • Kenji HirakuYuzo KadomukaiYukio TakahashiKenji OkunaYasuo Kita
    • F02M37/00F02M37/04F02M37/06
    • F02M37/041
    • A gear pump has a pair of gears a seal member for sealing up teeth of the gross engaging with each other in a sealed-up gear case, which seal member is provided at a place occupied by plurality of teeth in the vicinity of a working area of the teeth in a low pressure side of the gear case and is not connected to the gear case, the seal member having a low pressure fuel the flow of hole for flowing a low pressure fuel, wherein a tooth sealing angle for the plurality of teeth is set substantially to a value within a range of 35.degree..+-.5.degree. for gears having of 14 to 18 teeth, and a high pressure fuel flowing passage for the flow of a high pressure fuel, formed in a space other than the working area of the teeth and the area of and the sealing member, in the gear case. Further, a fuel system for vehicle engine, using the above-mentioned gear pump, includes a fuel tank, a first pipe connecting the fuel tank and the low pressure fuel flowing hole in the gear pump, a second pipe connecting a fuel injection nozzle and the high pressure fuel flowing passage in the gear pump, and a booster pump provided at an intermediate part of the first pipe, for raising the pressure of fuel transferred to the low pressure fuel flowing hole to a pressure value at which the occurrence of cavitation at the low pressure fuel flowing hole can be suppressed.
    • 齿轮泵具有一对齿轮,用于在密封齿轮箱中密封彼此的总啮合的齿的密封构件,该密封构件设置在工作区域附近由多个齿占据的位置 的齿轮箱的低压侧的齿,并且不与齿轮箱连接,具有低压燃料的密封构件用于流动低压燃料的空气流,其中多个齿的齿密封角 基本上设定为具有14至18齿的齿轮的35°+/- 5°的范围内的高压燃料流动通道,用于高压燃料的流动,形成在工作以外的空间中 在齿轮箱中齿的面积和密封构件的面积。 此外,使用上述齿轮泵的车辆用发动机的燃料系统包括燃料箱,连接燃料箱的第一管和齿轮泵中的低压燃料流通孔,连接燃料喷嘴和第二管 齿轮泵中的高压燃料流动通道和设置在第一管的中间部分的增压泵,用于将传递到低压燃料流通孔的燃料的压力提高到压力值,在该压力值下, 可以抑制低压燃料流通孔。
    • 10. 发明授权
    • Printing hammer driving apparatus
    • 打印锤驱动装置
    • US4392423A
    • 1983-07-12
    • US153318
    • 1980-05-27
    • Isao NakajimaKoji TagusariKenji OkunaToru HayamaKazue TakahashiMichihiro WatanabeSumihisa Kotani
    • Isao NakajimaKoji TagusariKenji OkunaToru HayamaKazue TakahashiMichihiro WatanabeSumihisa Kotani
    • B41J9/38B41J9/02
    • B41J9/38
    • A printing hammer driving apparatus for high-speed printers comprises a lever member acting as a hammer operating part, an armature forming a part of a magnetic circuit, and an electromagnet forming, together with the armature, the magnetic circuit. The lever member has a rotational supporting point at the base end thereof and is made of a light-weight non-magnetic material. The armature is projected in one of the rotational directions of the lever member from the intermediate part of the lever member. The electromagnet has at least one core and an exciting coil wound on the core. A core has a magnetic pole face perpendicular to the direction of attraction of the armature and a magnetic pole face parallel to the direction of attraction of the armature. The magnetic pole face perpendicular to the direction of armature attraction is opposed with a gap to the forward end face of the armature, and the magnetic pole face parallel to the direction of armature attraction is opposed with a gap to the surface of the armatures parallel to the direction of attraction thereof.
    • 用于高速打印机的打印锤驱动装置包括作为锤操作部件的杠杆构件,形成磁路的一部分的电枢以及与衔铁一起形成磁路的电磁体。 杠杆构件在其基端具有旋转支撑点,并且由轻质非磁性材料制成。 电枢从杠杆构件的中间部分突出在杠杆构件的旋转方向之一上。 电磁铁具有至少一个铁芯和缠绕在铁芯上的励磁线圈。 芯具有垂直于电枢吸引方向的磁极面和平行于电枢吸引方向的磁极面。 与电枢吸引方向垂直的磁极面与电枢的前端面相对,与电枢吸引方向平行的磁极面与与电枢平行的电枢的表面相对, 吸引的方向。