Measurement of liquid flow

Details Measurement of liquid flow Measurement of liquid flow

1974-05-15

1976-02-24

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

System

128 205F, 128 205Z, G01F 166

Patent

active

039397076

ABSTRACT:
A method of pulse-echo ultrasonic examination of an object, particularly in medical diagnostic examination, to measure flow of liquid in a vessel within the object comprises determining the dimensions and orientation of the vessel and the shift in frequency of ultrasonic echoes due to flow of liquid in the vessel and correlating to obtain a quantitative measurement of the flow of liquid.

REFERENCES:
patent: 3498290 (1970-03-01), Shaw et al.
patent: 3554030 (1971-01-01), Peronneau
patent: 3777740 (1973-12-01), Hokanson
D. W. Baker, "Pulsed Ultrasonic Doppler Blood-Flow Sensing", IEEE Transactions on Sonics and Ultrasonics, July 1970, pp. 170-184.

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