Instrumentation and control system and method for fluid transpor

Measuring and testing – Blower – pump – and hydraulic equipment

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73726, 73730, 34087011, 34087019, G01M 1900

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active

045466491

ABSTRACT:
A system and method for measuring and controlling the parameters and conditions of a thin-wall submersed-tube fluid transport system called an "equiduct" system. The tube or tubes preferably are located near the bottom of a water artery such as a river, and are in fluid equilibrium with the surrounding water. This permits the tubes to have relatively thin, flexible walls, which makes the tubes relatively inexpensive and easy to install. Simple pumps cooperate with the slope of the river bed in pumping fluids through the tubes. Parameters such as fluid pressures and velocities, depth, gas and liquid concentrations, etc. are measured at spaced locations in the tubes, and the measurements are delivered to a central data processing and control station so that the parameters can be adjusted, or the need for repairs in the tubes can be detected and the repairs can be made. Preferably, in a long equiduct system, the data from separate measurement stations along the system, are transmitted over a common communication line to the central station. A clock source transmits a series of digital identification words with blank spaces after the identification words. When each station detects its identification signal, it fills the subsequent blank space with data, which then is carried to the central station.

REFERENCES:
patent: 2420148 (1947-05-01), Ostergren
patent: 2739301 (1956-03-01), Greenfield
patent: 2747408 (1956-05-01), Boytim
patent: 3149492 (1964-09-01), Weinberg
patent: 3467013 (1969-09-01), Connor
patent: 3737858 (1973-06-01), Turner et al.
patent: 4413259 (1983-11-01), Lutz et al.
patent: 4420980 (1983-12-01), Dunemann et al.

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