Nonintrusive flow sensing system

Details Nonintrusive flow sensing system Nonintrusive flow sensing system

1990-06-15

1991-08-20

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Combined

7386103, 7386127, 73703, 73730, 374143, G01F 166, G01L 1100

Patent

active

050404156

ABSTRACT:
A nonintrusive flow sensing system (10) and related method are provided for monitoring fluid flow within a conduit (14), particularly such as a liquid flow (12). The sensing system (10) includes an array of ultrasonic transducers (18, 20, 24, 26) mounted on the conduit (14) and adapted to send and receive pulsed ultrasonic signals bidirectionally across the conduit with an upstream-downstream component of direction, and through the conduit in longitudinal and circumferential directions. Signal transit times are processed to obtain accurate measurements of liquid flow velocity, temperature and pressure.

REFERENCES:
patent: 4015470 (1977-04-01), Morrison
patent: 4240299 (1980-12-01), Joy et al.
patent: 4420980 (1983-12-01), Dunemann et al.
patent: 4535631 (1985-08-01), Sinha et al.

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