Flow detection system

Details Flow detection system Flow detection system

1979-04-23

1980-09-30

Thesz, Joseph M.

Registers

Platform operated

Platform actuated traffic counters

73 611R, 7386104, G06M 308

Patent

active

042257786

ABSTRACT:
A net oil computer including a mean density electric current source that alternately supplies all of or a portion of water density and oil density electric currents with the differences between the mean and water currents and between the mean and oil currents alternately charging and discharging a capacitor between two different voltage levels or vice versa. A bistable circuit switches the capacitor to charge and discharge when the capacitor voltage reaches the respective two different levels. One or both of the capacitor charging and discharging periods may then be used to gate turbinemeter pulses, the number of which is proportional to total oil flow and/or total water flow in a pipeline.

REFERENCES:
patent: 3906198 (1975-09-01), November
patent: 3952592 (1976-04-01), Schlatter et al.
patent: 4055082 (1977-10-01), November
patent: 4059744 (1977-11-01), Elderton

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