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    • 5. 发明授权
    • Valve arrangement for a micro pump
    • 微型泵的阀门装置
    • US5520522A
    • 1996-05-28
    • US309476
    • 1994-09-21
    • Amer R. RathoreShigeo OkamotoTeruo Mori
    • Amer R. RathoreShigeo OkamotoTeruo Mori
    • F04B17/04F04B53/10
    • F04B17/042F04B53/102F04B53/1035Y10S137/904Y10T137/7913
    • A micro pump which employs magnetostrictive or electrostrictive elements as solid drive elements and is capable of self-priming even though its flow rate is increased. In the pump, disk-shaped valve elements respectively having tapered protrusions on one side are used as check valves to reduce weight and made to follow the motion of liquids so as to smoothly open and close. Retainers for regulating the gap h between the valve seats and the valve elements are respectively provided with tapered recesses for guiding the protrusions of the valve elements, whereby the valves are prevented from contacting the retainers, thus undergoing less friction therewith, to ensure smooth opening and closure of the valves. Moreover, ringlike or sheetlike elastic materials are provided on the bottoms of the recesses to improve responsivity in the direction in which the valves are closed.
    • 一种使用磁致伸缩元件或电致伸缩元件作为固体驱动元件并且即使其流量增加也能够自吸的微型泵。 在泵中,一侧分别具有锥形突起的盘形阀元件用作止回阀以减轻重量并使其跟随液体的运动以平滑地打开和关闭。 用于调节阀座与阀元件之间的间隙_h的保持件分别设置有用于引导阀元件的突起的锥形凹槽,由此防止阀与保持器接触,从而与其保持较小的摩擦,以确保平滑的打开和 关闭阀门。 此外,在凹部的底部设置有环状或片状的弹性材料,以提高阀关闭方向的响应性。