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    • 7. 发明申请
    • AUTOMATIC VALVE
    • 自动阀
    • WO03062095A2
    • 2003-07-31
    • PCT/US0302006
    • 2003-01-22
    • JOHNSON & SON INC S C
    • SHANKLIN DONALD JWESTPHAL NATHAN RJAWORSKI THOMAS
    • B65D83/40B05B9/04B65D83/16
    • B65D83/265
    • A dispenser can automatically dispense chemical from an aerosol container at predetermined intervals without the use of electric power. A diaphragm at least partially defines an accumulation chamber that receives chemical from the can during an accumulation phase. Once the internal pressure of the accumulation chamber reaches a predetermined threshold, the diaphragm moves, carring with it valving that controls a spray burst. The diaphragm assumes its original position when the pressure within the accumulation chamber falls below a threshold pressure. A barrier prevents the aerosol container from resuppling the accumulation chamber at a high rate during the spray phase, preferably due to a porous gasket disposed in a passageway linking the dispenser to the aerosol container.
    • 分配器可以在不使用电力的情况下以预定间隔自动地从气溶胶容器分配化学品。 隔膜至少部分地限定在积聚阶段期间从罐接收化学物质的积聚室。 一旦积聚室的内部压力达到预定的阈值,隔膜就会移动,并带有控制喷雾的阀门。 当积聚室内的压力低于阈值压力时,隔膜承受其原始位置。 屏障防止气雾剂容器在喷雾期间以高速率重新填充积聚室,优选地由于设置在将分配器连接到气溶胶容器的通道中的多孔垫片。