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    • 103. 发明申请
    • INK JET RECORDING APPARATUS, INK SUPPLYING MECHANISM AND INK SUPPLYING METHOD
    • 墨水喷射记录装置,墨水供应机构和墨水供应方法
    • US20080158320A1
    • 2008-07-03
    • US11617036
    • 2006-12-28
    • Noboru NittaMasashi ShimosatoHideaki NishidaIsao Suzuki
    • Noboru NittaMasashi ShimosatoHideaki NishidaIsao Suzuki
    • B41J2/18
    • B41J2/17556B41J2/17509
    • An ink jet recording apparatus includes an ink jet head having a pressure chamber opposed to a nozzle, an upstream port that communicates with the pressure chamber, and a downstream port, a first tank that communicates with the ink jet head via the downstream port and is capable of storing an ink, a second tank that communicates with the first tank and is capable of storing the ink, a third tank that communicates with the ink jet head via the upstream port and communicates with the second tank and is capable of storing the ink, an opening and closing mechanism that is capable of opening and closing a circulation path that connects the ink jet head, the first tank, the second tank, and the third tank, and an air pressure adjusting mechanism that is capable of adjusting an internal air pressure in at least one of the first tank, the second tank, and the third tank. The ink is fed through the circulation path according to an air pressure generated by adjustment of the air pressure and an opening and closing state of the circulation path.
    • 喷墨记录装置包括具有与喷嘴相对的压力室,与压力室连通的上游端口的喷墨头和下游端口,经由下游端口与喷墨头连通的第一箱体, 能够存储墨水的第二罐,与第一罐连通并且能够存储油墨的第二罐;第三罐,其经由上游端口与喷墨头连通并与第二罐连通并且能够存储油墨 ,能够打开和关闭连接喷墨头,第一罐,第二罐和第三罐的循环路径的打开和关闭机构,以及能够调节内部空气的气压调节机构 在第一罐,第二罐和第三罐中的至少一个中的压力。 根据通过调节空气压力和循环路径的打开和关闭状态产生的空气压力,将油墨供给通过循环路径。
    • 104. 发明授权
    • Differential pressure sensor
    • 差压传感器
    • US07219551B2
    • 2007-05-22
    • US11296330
    • 2005-12-08
    • Isao Suzuki
    • Isao Suzuki
    • G01L5/00
    • G01L9/0072G01L13/025
    • According to the present invention, there is provided a high-precision differential pressure sensor which is not affected by a considerable change in baseline pressure. A differential pressure sensor of the present invention includes: a pair of diaphragms, each including a diaphragm portion capable of being deformed due to application of a pressure and a support portion for holding an outer peripheral edge of the diaphragm portion; a pair of fixed electrodes in disk-like form fixed to the support portions of the diaphragms; and a movable electrode including a disk-like electrode portion and shaft-like projections extending in opposite directions from a central portion of the electrode portion. The shaft-like projections extend at a right angle relative to the electrode portion, and the movable electrode is secured to central portions of the diaphragms through the shaft-like projections so that the electrode portion faces each of the fixed electrodes in a predetermined spaced relationship. The movable electrode is capable of moving so as to allow a distance between the electrode portion and each of the fixed electrodes to vary according to a difference between fluid pressures acting on the respective diaphragm portions of the diaphragms. A capacitance generated between the electrode portion and each of the fixed electrode changes due to a variance in the distance between the electrode portion and each of the fixed electrode, and a differential pressure is detected, based on this change in capacitance.
    • 根据本发明,提供了不受基准压力的显着变化影响的高精度差压传感器。 本发明的差压传感器包括:一对隔膜,每个隔膜包括能够由于施加压力而变形的隔膜部分和用于保持隔膜部分的外周边缘的支撑部分; 一对固定在隔膜的支撑部分上的盘状固定电极; 以及可动电极,其包括盘形电极部分和从电极部分的中心部分沿相反方向延伸的轴状突起。 轴状突起相对于电极部分成直角地延伸,并且可动电极通过轴状凸起固定到隔膜的中心部分,使得电极部分以预定间隔的关系面对每个固定电极 。 可移动电极能够移动以允许电极部分和每个固定电极之间的距离根据作用在隔膜的各个隔膜部分上的流体压力之间的差异而变化。 由于电极部分和固定电极之间的距离变化,电极部分和固定电极之间产生的电容变化,并且基于该电容的变化来检测压差。
    • 107. 发明申请
    • INK JET HEAD UNIT
    • 墨水喷头单元
    • US20050012773A1
    • 2005-01-20
    • US10620908
    • 2003-07-15
    • Isao SuzukiHideaki Nishida
    • Isao SuzukiHideaki Nishida
    • B41J2/045B41J2/055B41J2/14B41J2/01
    • B41J2/14233B41J2/1408B41J2/14153
    • In the ink jet head unit of the present invention, an ink jet head for emitting ink in a form of droplets from nozzles formed in a nozzle face and a driving circuit for driving the ink jet head are mounted on the same surface side of the base board. A groove section is formed in the surface, extending from the nozzle face of the ink jet head to the driving circuit. In the ink jet head, a temperature measuring section is positioned in the groove section. Furthermore, there is provided a sealing member in the groove section, to prevent the flow of ink emitted from the nozzles, into the driving circuit. The sealing member is partly formed of an elastic body. Therefore, since the elastic body can restrain a change in the volume of the sealing member likely to be caused by a temperature change, it is possible to prevent the temperature change from impairing the ink jet head, consequently realizing ink projection stability.
    • 在本发明的喷墨头单元中,用于从形成在喷嘴面上的喷嘴以液滴形式喷射油墨的喷墨头和用于驱动喷墨头的驱动电路安装在基座的同一表面侧 板。 在表面上形成有从喷墨头的喷嘴面延伸到驱动电路的槽部。 在喷墨头中,温度测量部位于槽部。 此外,在槽部中设置有密封构件,以防止从喷嘴喷射的墨流入驱动电路。 密封件部分地由弹性体形成。 因此,由于弹性体可以抑制可能由温度变化引起的密封构件的体积变化,所以可以防止温度变化损害喷墨头,从而实现墨水投影的稳定性。
    • 109. 发明授权
    • Mass flow controller
    • 质量流量控制器
    • US06755210B2
    • 2004-06-29
    • US10026519
    • 2001-12-27
    • Isao Suzuki
    • Isao Suzuki
    • G05D706
    • G05D7/0635Y10T137/7759Y10T137/7761Y10T137/87354
    • The present invention provides a high-performance mass flow controller which is compact and lightweight, which has a flow path having a simple structure and which does not have dead space in which a fluid is likely to stagnate and cause the problem of contamination. A cylindrical valve conduit having a hollow structure, a yoke and a sensor conduit are connected in tandem. A fluid inlet portion is connected to an end of the valve conduit and a fluid outlet portion is connected to an end of the sensor conduit. A solenoid valve is provided on a side of the fluid inlet portion and a thermal mass flowmeter is provided on a side of the fluid outlet portion. In the valve conduit, a cylindrical plunger providing a movable portion of the solenoid valve and a valve portion of which a degree of opening is adjusted by moving the plunger are provided on a side of the fluid inlet portion. A bypass for generating a laminar flow is disposed in the sensor conduit so as to effect one-way flow of a fluid.
    • 本发明提供了一种结构紧凑,流动路径不易滞留,造成污染问题的流动路径,结构紧凑,重量轻的高性能质量流量控制装置。 具有中空结构的圆柱形阀导管,轭和传感器导管串联连接。 流体入口部分连接到阀导管的端部,并且流体出口部分连接到传感器导管的端部。 电磁阀设置在流体入口部分的一侧,并且热质量流量计设置在流体出口部分的一侧。 在阀导管中,在流体入口部分的一侧设置有提供电磁阀的可动部分的圆柱形柱塞和通过移动柱塞来调节开度的阀部分。 用于产生层流的旁路设置在传感器导管中,以便实现流体的单向流动。