Digital flow control system

Fluid handling – Systems – Dividing into parallel flow paths with recombining

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G05D 706

Patent

active

040305236

ABSTRACT:
A digital flow control system for testing ramjet engines that permits conl of fuel in steps, or percentages, of full flow rate. Four cavitating venturis connected to four valves control the flow rate through the valves such that the fuel flow rate is regulated in 10% increments of full flow rate depending upon the combination of valves which are open.

REFERENCES:
patent: 2229903 (1941-01-01), Schmol
patent: 3010316 (1961-11-01), Snyder
patent: 3072146 (1963-01-01), Gizeski
patent: 3308619 (1967-03-01), Richardson et al.
patent: 3726296 (1973-04-01), Friedland et al.
patent: 3905394 (1975-09-01), Jerde
patent: 3942553 (1976-03-01), Gallitin

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