Multi-channel common-line flowmeter transmission system

Details Multi-channel common-line flowmeter transmission system Multi-channel common-line flowmeter transmission system

1977-03-11

1978-04-11

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

System

340184, 340207R, G01F 132

Patent

active

040832414

ABSTRACT:
A multi-channel, common-line transmission system linking a plurality of flowmeter primaries installed at different points in a process to a remote receiving station. Each primary includes a flowmeter adapted to measure the flow rate of fluid passing through the flow conduit in which it is interposed by generating physical variations as a function of flow rate, these variations being sensed by a resonator element included in a channel oscillator whose carrier is modulated accordingly. The channel oscillators of the flowmeter primaries are assigned different frequencies within a predetermined spectrum. The modulated-carrier signals from the channel oscillators are fed over the common line to the remote station where each signal is demodulated.

REFERENCES:
patent: 2103741 (1937-12-01), Bencowitz
patent: 2555355 (1951-06-01), MacGeorge
patent: 2809520 (1954-10-01), Richard, Jr.
patent: 3122707 (1964-02-01), Godbey
patent: 3455162 (1969-07-01), Michener et al.
patent: 3698245 (1972-10-01), McNabb

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