Ultrasonic flowmeter

Details Ultrasonic flowmeter Ultrasonic flowmeter

1979-10-19

1982-01-05

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

G01F 166

Patent

active

043087540

ABSTRACT:
An ultrasonic flowmeter for determining fluid flow velocity within a conduit by determining the difference in transit time between interrogating ultrasonic pulses transmitted upstream between a pair of transducers and transmitted downstream between them. A high frequency clock pulse operating for one or more cycles of interrogation allows for accurate digital computation.

REFERENCES:
patent: 3486377 (1969-12-01), Franchi
patent: 3697936 (1972-10-01), Zacharias, Jr. et al.
patent: 3818757 (1974-06-01), Brown
patent: 3869915 (1975-03-01), Baumoel
patent: 3894431 (1975-07-01), Muston et al.
patent: 4014211 (1977-03-01), Araki et al.

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