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    • 5. 发明授权
    • Hydraulic pressure generating device
    • 液压发电装置
    • US3791766A
    • 1974-02-12
    • US3791766D
    • 1972-02-02
    • TOKYO KEIKI KK
    • KIKUTSUGI ASHIMOYAMA Y
    • B23Q5/26F04B23/00F04B49/00F04B53/00F15B1/26F15B21/04F04B39/06
    • F15B1/26F04B23/00F04B53/00F15B21/042
    • A hydraulic pressure generating device having a housing with air holes formed at least in its upper and lower walls, a partition wall with air holes to divide the housing into upper and lower rooms, a fan located in the upper room of the housing, a pressure compensation variable discharge type pump, a motor mounted in the lower room for driving the pump, and an oil tank disposed in the lower room and having soaked therein the pump. In this case, when the fan is operated, air is sucked into the housing from the air holes bored in the lower wall of the housing and is discharged out of the housing through the air holes bored in the upper wall of the housing to thereby cool the pump and the motor effectively.
    • 一种液压发生装置,具有至少在其上壁和下壁上形成有气孔的壳体,具有用于将壳体分成上室和下室的气孔的分隔壁,位于壳体的上部房间中的风扇, 补偿可变排放型泵,安装在用于驱动泵的下部房间中的马达以及设置在下部房间中并且在其中浸入泵中的油箱。 在这种情况下,当风扇被操作时,空气从壳体下壁中钻孔的空气孔吸入壳体中,并且通过钻孔在壳体的上壁中的空气孔从壳体排出,从而冷却 泵和电机有效。
    • 10. 发明授权
    • Ultrasonic flaw detector
    • 超声波检测仪
    • US3805597A
    • 1974-04-23
    • US28653772
    • 1972-09-06
    • TOKYO KEIKI KK
    • OHTA KYAMAMOTO ESEKIGUCHI K
    • G01N29/04G01N29/38
    • G01N29/343G01N29/38G01N2291/02854
    • An ultrasonic flaw detector having a pulse generator, a probe disposed on a member to be detected and supplied with a pulse signal from the pulse generator for producing an ultrasonic wave, a receiver supplied with a signal corresponding to an echo signal from the probe, a delay circuit, a gate signal generator circuit supplied with the signal from the delay circuit, an AND-gate circuit supplied with the outputs from the gate signal generator circuit and receiver, and an indicator. In this case, the gate signal generator circuit consists of a plurality of shift registers and the AND-circuit consists of a plurality of ANDcircuit elements.
    • 一种具有脉冲发生器的超声波探伤仪,设置在待检测部件上的探头并从脉冲发生器提供脉冲信号以产生超声波的超声波探伤仪,提供有与来自探针的回波信号相对应的信号的接收器 延迟电路,提供有来自延迟电路的信号的门信号发生器电路,提供有来自门信号发生器电路和接收器的输出的与门电路以及指示器。 在这种情况下,门信号发生器电路由多个移位寄存器组成,AND电路由多个AND电路元件组成。