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    • 118. 发明授权
    • Liquid droplet discharge head and liquid droplet discharge apparatus
    • 液滴喷头和液滴排放装置
    • US07874651B2
    • 2011-01-25
    • US12395690
    • 2009-03-01
    • Shigeru Suzuki
    • Shigeru Suzuki
    • B41J2/045B41J2/05
    • B41J2/14233B41J2/04581B41J2/04588B41J2002/14258B41J2002/14266B41J2002/14491
    • A piezoelectric actuator includes upper and lower constant electric potential electrodes. The upper constant electric potential electrodes are connected to a first-common conducting section extending in a predetermined direction, both ends of the first-common conducting section are connected to second-common conducting sections, and thus a first electrode assembly is formed. Both ends of the lower constant electric potential electrodes extending in the predetermined direction are connected to third-common conducting sections, and thus a second electrode assembly is constructed. A flexible wiring board stacked on the piezoelectric actuator has a first-connecting land extending in the predetermined direction and to which one of the first and second electrode assemblies having a smaller voltage drop when a predetermined current is applied is connected, and second-connecting lands to which the other is connected and which are arranged on both end sides of the first-connecting land.
    • 压电致动器包括上和下恒定电位电极。 上恒定电位电极连接到沿预定方向延伸的第一公共导电部分,第一公共导电部分的两端连接到第二公共导电部分,因此形成第一电极组件。 沿着预定方向延伸的较低恒定电位电极的两端连接到第三公共导电部分,从而构成第二电极组件。 堆叠在压电致动器上的柔性布线板具有沿预定方向延伸的第一连接区域,并且当施加预定电流时,具有较小电压降的第一和第二电极组件中的一个被连接,第二连接区域 另一个连接到该第一连接区域的两端侧。
    • 119. 发明申请
    • VARIABLE DISPLACEMENT ROTARY PUMP
    • 可变位移旋转泵
    • US20100054963A1
    • 2010-03-04
    • US12546438
    • 2009-08-24
    • Hironao YokoiShigeru SuzukiKatsumi YamashitaToshiro Fujii
    • Hironao YokoiShigeru SuzukiKatsumi YamashitaToshiro Fujii
    • F04B49/24
    • F04C11/001F04C14/02F04C14/065F04C14/26F04C2270/58
    • A variable displacement rotary pump includes a main pump unit, an auxiliary pump unit, a discharge passage, a bypass passage, a suction passage, a check valve and a control valve. The suction passage is in communication with the discharge passage through the bypass passage and a second discharge port. The check valve is disposed in the discharge passage for preventing fluid in a first discharge port of the main pump unit from flowing into the bypass passage. The control valve is operable for opening and closing the bypass passage. When the control valve opens the bypass passage and the check valve closes the discharge passage, flow rate of the fluid discharged from the discharge passage is reduced. A throttle passage is provided in the bypass passage or the control valve for regulating flow of the fluid in early phase of operation of the control valve to open the bypass passage.
    • 可变排量旋转泵包括主泵单元,辅助泵单元,排出通道,旁通通道,吸入通道,止回阀和控制阀。 吸入通路与通过旁路通路的排出通路和第二排出口连通。 止回阀设置在排出通道中,用于防止主泵单元的第一排出口中的流体流入旁通通道。 控制阀可操作以打开和关闭旁路通道。 当控制阀打开旁通通道并且止回阀关闭排出通道时,从排出通道排出的流体的流量减小。 在旁通通道或控制阀中设置有节流通道,用于调节控制阀的早期操作中的流体的流动以打开旁路通道。