Fluid dispenser with non-venting aspirator and bag
作者： William R. Stoody
DOI:
关键词: Mechanical engineering 、 Computer hardware 、 Atmospheric pressure 、 Engineering 、 Backflow 、 Aspirator
摘要: A non-venting fluid dispenser system, for example being a collapsible flaccid bag loosely suspended in sleeve and exposed to atmospheric pressure. aspirator pressure actuated valve are mounted on the close bag. Operation of promotes low outward side acting against drives product through into dispensing, whereby progressively collapses as is expelled. The blocks back flow entry air
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