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    • 45. 发明申请
    • PUMP
    • WO2007015680A1
    • 2007-02-08
    • PCT/SG2005/000259
    • 2005-08-01
    • YEO, Jui Hwa
    • YEO, Jui Hwa
    • F04F3/00F04B43/02B01L3/02B67D5/42
    • B01L3/021B01L2400/0478B01L2400/0481B01L2400/0605F04B9/14F04B33/00F04B45/02F04F3/00
    • A fluid drawing device (10) comprising a hand pump (11) connected to a fluid reservoir (12). The reservoir (12) has an inlet/outlet orifice (18) through which fluid can be drawn into and expelled from the reservoir (12). The pump (11) comprises a squeeze bulb (13) with an air release valve (14) in its wall and an air intake valve (15). Compressing the bulb (13) releases the air to the atmosphere through the release valve (14), subsequent decompression of the bulb (13) draws air through the intake valve (15) from the reservoir (12) reducing the pressure in it to draw fluid through the orifice (18) into the reservoir (12). Pushing a plunger (24) slidably housed within the reservoir (12) expels the fluid out through the orifice (18).
    • 流体抽取装置(10)包括连接到流体储存器(12)的手动泵(11)。 储存器(12)具有入口/出口孔口(18),流体可以通过该入口/出口孔口被吸入并从贮存器(12)排出。 泵(11)包括在其壁中具有空气释放阀(14)的挤压灯泡(13)和进气阀(15)。 压缩灯泡(13)通过释放阀(14)将空气释放到大气中,随后灯泡(13)的减压从储存器(12)抽吸空气通过进气阀(15),从而减小其中的压力以绘制 流体通过孔口(18)进入储存器(12)。 推动可滑动地容纳在储存器(12)内的柱塞(24)将流体排出通过孔口(18)。