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    CARTRIDGE BASED FLUID DISPENSING APPARATUS
    21.
    发明申请
    CARTRIDGE BASED FLUID DISPENSING APPARATUS 有权
    基于墨盒的流体分配装置

    公开(公告)号：US20090250491A1

    公开(公告)日：2009-10-08

    申请号：US12440499

    申请日：2007-09-07

    申请人： P. Gregory Erman ,  Chris Marshall ,  Avery Wilson ,  David Ricker ,  Michael McDougall ,  Kevin Stoneman ,  Ian MacLean

    发明人： P. Gregory Erman ,  Chris Marshall ,  Avery Wilson ,  David Ricker ,  Michael McDougall ,  Kevin Stoneman ,  Ian MacLean

    IPC分类号： B67D5/00

    CPC分类号： F04B13/00 ,  A47J31/402 ,  F04B9/02

    摘要： A concentrated flavour dispensing machine having displacement pumps for delivering between a fraction of a millilitre and a few ounces of fluids having a viscosity value between 1 to 4000 centepoise is described. The dispensing machine includes a cabinet for containing a multitude of displacement pumps, where each displacement pump is realisably connected to a disposable pre-filled fluid cartridge. Each displacement pump includes a stepper motor in engagement with a threaded drive rod that is advanced or retracted by any one of several predetermined distances. The drive rod impels a plunger positioned within the disposable cartridge to dispense a volume of fluid. Flexible capillary tubes connected to the output of each disposable cartridge direct the fluid to a central dispensing area. The disposable cartridge includes an expandable plunger which draws fluid back into the cartridge when the drive rod is withdrawn after a dispense operation for drip prevention.

    摘要翻译： 描述了一种浓缩风味分配机，其具有用于在一分之一毫升和几盎司的粘度值介于1至4000厘泊之间的流体之间输送的置换泵。 分配机包括用于容纳多个排量泵的机壳，其中每个排量泵可实际地连接到一次性预填充的流体盒。 每个排量泵包括步进电动机，该步进电动机与螺纹驱动杆接合，该驱动杆通过几个预定距离中的任何一个前进或缩回。 驱动杆推动位于一次性盒中的柱塞以分配一定体积的流体。 连接到每个一次性盒的输出的柔性毛细管将流体引导到中心分配区域。 一次性药筒包括可膨胀柱塞，当在用于防止滴漏的分配操作之后，当驱动杆被抽出时，其将流体吸回到药筒中。