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公开(公告)号：US10453577B2
公开(公告)日：2019-10-22
申请号：US14855222
申请日：2015-09-15
发明人： Myungjun Kim , Joohyung Moon , Heejoon Lee , Youngin Kim , Keungkoo Kim
摘要： Provided is a device for measuring a micro flow rate. The device includes a container having an internal space for containing a fluid flowing therein and an inflow line and an outflow line formed in communication with the internal space, a fluid level gauge configured to sense whether a level of a fluid collected in the container rises to a predetermined height to conduct or block flow of an electric current, a control valve disposed in the outflow line and configured to open or close the outflow line according to a state in which the control valve is electrically connected to or disconnected from the fluid level gauge such that the outflow line is opened or closed according to a change in the fluid level; and a control unit configured to calculate a micro flow rate of the fluid collected in the container using information acquired from at least one of the fluid level gauge and the control valve.
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