Valves and valve actuation – Tube compressors – Fluid pressure actuated
Patent
1992-10-26
1994-05-31
Walton, George L.
Valves and valve actuation
Tube compressors
Fluid pressure actuated
73708, 7386163, 138 45, 251 611, 25112904, 25112908, 251205, F16K 707, F16K 3102, G01F 142
Patent
active
053162617
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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"Putting ER Fluids to Work, Machine Design", May 9, 1991, pp. 52-60.
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Minns Michael H.
Northern Research & Engineering Corp.
Walton George L.
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