Fluid flow measuring and proportional fluid flow control device

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Mechanical measurement system

Reexamination Certificate

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Details

C073S001250

Reexamination Certificate

active

10521697

ABSTRACT:
The present invention provides restrictive-flow flow measurement devices, valve improvements and signal control devices and processes that control the flow of liquids, including control processes for single-liquid calibration.

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Adgar et al., “Classical, Fussy and Genetic Algorithm Tuning Methods for PID Controllers: A Comparison Study Using an Industrial Flow Loop”, 6 pages, 2001.
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Hwang et al., “A New Fuzzy PID-Like Controller”, 6 pages, 2000.
International Search Report for PCT/US03/22533, 2004.
Supplementary Partial European Search Report for EP 03 76 5744, 2006.

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