System and method for measuring when fluid has stopped flowing w

Details System and method for measuring when fluid has stopped flowing w System and method for measuring when fluid has stopped flowing w

1998-07-01

2000-03-28

Michalsky, Gerald A.

Fluid handling

Processes

Involving pressure control

417 63, F16K 3700

Patent

active

06041801&

ABSTRACT:
A method and system for determining when a fluid has stopped flowing within a line. The pressure variation in a second fluid, separated from the first by a pumping membrane, is measured in response to energy applied in a time-varying manner to the second fluid. From the response of the second fluid to the applied energy, it is determined whether the first fluid has stopped flowing.

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