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    • 3. 发明申请
    • PUMP SYSTEM AND METHOD FOR ACOUSTICALLY ESTIMATING LIQUID DELIVERY
    • 泵送系统和方法来预测液体输送
    • WO2013096713A3
    • 2013-09-12
    • PCT/US2012071112
    • 2012-12-21
    • DEKA PRODUCTS LP
    • KAMEN DEANKERWIN JOHN MMURPHY COLIN H
    • A61M5/145
    • A61M5/14216A61J3/002A61M5/1452A61M5/16809A61M5/1684A61M5/1689A61M2205/18A61M2205/3306A61M2205/3375F04C2270/041G01B11/026G01F15/028G01F22/00
    • A pump, related system, and related method are provided. The pump includes a reservoir, a port, and a plunger. The reservoir delivers a liquid by discharging the liquid through the port coupled to the reservoir. The plunger has a piston coupled to a shaft and is disposed within the reservoir in sliding engagement with an inner surface of the reservoir. The piston defines a liquid side of the reservoir and a non-liquid side of the reservoir whereby movement of the plunger towards the liquid side of the reservoir discharges liquid through the port. The pump also includes a reference-volume assembly and/or a linear position sensor. The reference-volume assembly is coupled to the reservoir at an opposite end of the reservoir relative to the port and includes a reference-volume chamber in acoustic communication with the non-liquid side of the reservoir, a speaker disposed within the reference-volume chamber, and a reference microphone disposed within the reference-volume chamber. The reference-volume assembly and/or linear position sensor may be used to estimate the amount of liquid discharged from the reservoir.
    • 提供泵,相关系统和相关方法。 泵包括储存器,端口和柱塞。 储存器通过将液体排出通过与贮存器连接的端口而输送液体。 柱塞具有联接到轴的活塞并且设置在储存器内与储存器的内表面滑动接合。 活塞限定储存器的液体侧和储存器的非液体侧,柱塞朝向储存器的液体侧的移动通过端口排出液体。 泵还包括参考体积组件和/或线性位置传感器。 参考体积组件在储存器的相对端口的相对端处联接到储存器,并且包括与储存器的非液体侧声学连通的参考体积室,设置在参考体积室内的扬声器 以及设置在基准容积室内的参考麦克风。 参考体积组件和/或线性位置传感器可以用于估计从储存器排出的液体的量。