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    • 2. 发明申请
    • VALVELESS LIQUID MICROSWITCH
    • 气动液晶显示器
    • WO1997045644A1
    • 1997-12-04
    • PCT/US1997007732
    • 1997-05-06
    • THE UNIVERSITY OF WASHINGTON
    • THE UNIVERSITY OF WASHINGTONBRODY, James, P.
    • F15C01/00
    • B01L3/502738B01L2200/146B01L2300/0816B01L2300/0864B01L2300/14B01L2400/0487B01L2400/0622F15C1/00G01N2015/149Y10T137/4774Y10T137/479Y10T137/7303
    • This invention provides a valveless method and apparatus for high speed switching of liquid flow between intersecting michrochannels. Liquid flow is controlled by manipulating external driving pressures. The switch comprises threee intersecting microchannels, each having a liquid reservoir at its nonintersecting end for liquid inlet and outlet. It further includes a means for applying a driving pressure to each reservoir and a means for switching the driving pressures. The microswitch of this invention operates to establish a liquid flow from a first channel to a second channel by applying a pressure differential between the first and second reservoirs, while simultaneously preventing flow into the third channel by applying a pressure to the third reservoir which equals the pressure at the junction of the three channels. By switching one or more driving pressures, the flow to the second channel can be stopped and the liquid flow redirected to the third channel. This invention further includes switches wherein more than three channels are included in the flow network, either intersecting in a single junction or in multiple junctions.
    • 本发明提供了一种用于在相交的分子混合物之间高速切换液体流的无阀方法和装置。 通过操纵外部驱动压力来控制液体流量。 开关包括三相交的微通道,每个微通道在其不间断端具有用于液体入口和出口的液体储存器。 它还包括用于向每个储存器施加驱动压力的装置和用于切换驱动压力的装置。 本发明的微动开关通过在第一和第二储存器之间施加压差来建立从第一通道到第二通道的液体流动,同时通过向第三储存器施加压力来同时防止流入第三通道,该压力等于 压力在三通道的交界处。 通过切换一个或多个驱动压力,可以停止到第二通道的流动,并且液流重新定向到第三通道。 本发明还包括开关,其中多于三个通道包括在流动网络中,或者在单个结或多个连接处相交。
    • 3. 发明申请
    • VALVE FOR THE ADDITION OF WATER TO ELECTROCHEMICAL ACCUMULATOR BATTERIES
    • 用于将水添加到电化学蓄电池电池的阀
    • WO1987001172A1
    • 1987-02-26
    • PCT/SE1986000360
    • 1986-08-11
    • SAB NIFE ABFRODE, Per, Enar, Lennart
    • SAB NIFE AB
    • F16K17/04
    • F16K17/0473F16K17/0453H01M2/36Y10T137/4774Y10T137/7501Y10T137/7823
    • A valve for the addition of water to electrochemical accumulator batteries and for maintaining the flow of liquid at a constant level. A membrane (24) in a valve body (12) is biased by means of a spring (26) against a wall (28) arranged concentrically with an inlet orifice (16), said wall creating an inner chamber (30) of circular cross-section and an outer chamber (32), which is of annular cross-section and is connected to an outlet connection (18) via a constricted orifice (20). A spindle (34) at the centre of the membrane passes freely through the inlet orifice and exhibits outside the latter a conically enlarged part (36), the cross-sectional area of which increases in proportion to the distance to the inlet orifice, serving as a valve seat, and which is intended to provide a seal when the spring yields to the membrane.
    • 用于将水添加到电化学蓄电池中并用于将液体流保持在恒定水平的阀。 阀体(12)中的膜(24)通过弹簧(26)抵靠与入口孔(16)同心设置的壁(28)而偏置,所述壁产生圆形交叉的内室(30) (32),其具有环形横截面并且经由收缩孔口(20)连接到出口连接件(18)。 在膜的中心处的主轴(34)自由地通过入口孔,并且在外侧的外侧具有圆锥形扩大部分(36),其横截面积与到入口孔的距离成比例地增加,用作 阀座,并且当弹簧产生到膜时旨在提供密封。