Apparatus for measuring fluid flow

Details Apparatus for measuring fluid flow Apparatus for measuring fluid flow

1981-08-17

1983-07-19

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

G01F 120

Patent

active

043937217

ABSTRACT:
Apparatus for measuring fluid flow comprising a tubular body (4) within which is supported an insert (5) having on its outer surface a helical formation of crests (6) and troughs (7). Between the body (4) and the insert (5) there is a fluid flow path (8). A transducer (20) detects fluctuations in fluid flow characteristics in the path (8), and a resultant signal is transmitted via amplifier (21), filter (22) and frequency counter (23) to a display (24) calibrated in terms of rate of fluid flow along the path (8).

REFERENCES:
patent: 3895530 (1975-07-01), Paetzold
patent: 3943884 (1976-03-01), Majkrzak
Crawford, "Singing Corrugated Pipes" in APJ vol. 42, 4/74, pp. 273-288.

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