System for measuring change in fluid flow rate within a line

Details System for measuring change in fluid flow rate within a line System for measuring change in fluid flow rate within a line

2005-12-06

2005-12-06

Picard, Leo (Department: 2125)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Mechanical control system

C137S014000

Reexamination Certificate

active

06973373

ABSTRACT:
A method and system for determining change in a fluid's flow rate 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, changes in the flow rate of the first fluid are determined.

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