Popflow, LLC

Gabriella L Grangard

Scott C Mitchell

David Frederick Bauer

Christopher C Dalldorf

Waad Kahouli

A bi-stable popper valve and a device for detecting blockage in a flow of a fluid are provided. The valve includes a membrane supporting two conformations: in a first conformation the membrane is convex in relation the upstream fluid, and in a second conformation the membrane can be concave in relation to the upstream fluid, such that in the first conformation the flow of the fluid through the membrane is prevented and in the second conformation the flow of the fluid through the membrane is permitted through an pore defined by the membrane in only the second conformation. The membrane changes from the first conformation to the second responsive to a pressure of the fluid meeting or exceeding an opening pressure value of the membrane. A sensor can detect a shift from the first conformation to the second conformation, indicating a flow, or absence of flow, of the fluid.

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Jupiter, FL, United States of America

Gabriella L Grangard