Fluid conduit having a variable inner diameter
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United States of America Patent
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May 31, 1994
Grant Date -
N/A
app pub date -
Oct 26, 1992
filing date -
Oct 26, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A flow measuring or flow metering device having a dynamically variable inner diameter. The flow device uses electrorheological fluid to support an inner flexible membrane. The quantity of electrorheological fluid is varied to change the inner diameter of the flexible membrane.
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