Flow sensing device
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United States of America Patent
Stats
-
Aug 25, 1987
Grant Date -
N/A
app pub date -
Jul 15, 1985
filing date -
Jul 15, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for sensing fluid flow comprising a housing having an inlet and an outlet and defining a fluid flow channel between the inlet and the outlet, a first member disposed in the fluid flow channel and including at least one rigid portion, and a second member disposed in the fluid flow channel upstream from the first member and including at least one flexible portion, said flexible portion being elastically flexible between an initial position spaced from the rigid portion and with its periphery generally spaced from the periphery of the channel to define a first effective flwo area and a final position adjacent the rigid portion and with its periphery generally spaced from the periphery of the channel to a second effective flow area which exceeds the first effective flow area.
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