Ultrasonic particulate sensing

Details Ultrasonic particulate sensing Ultrasonic particulate sensing

1986-04-25

1988-04-26

Chapman, John

Measuring and testing

Vibration

By mechanical waves

73 61R, 738655, G01N 2900

Patent

active

047396628

ABSTRACT:
An apparatus for identifying and determining the size of particulates in a flowing fluid by detecting the portion of an ultrasonic pulse scattered from a particulate at a preselected angle, converting the results into density and elasticity-related values and comparing the values with measured or computed values for known particulates.

REFERENCES:
patent: 3178940 (1965-04-01), Dahlke et al.
patent: 3208286 (1965-09-01), Richard
patent: 3774717 (1973-11-01), Chodorow
patent: 4112773 (1978-09-01), Abts
patent: 4339944 (1982-07-01), Abts et al.
patent: 4412451 (1983-11-01), Uusitalo et al.
Rayleigh, Theory of Sound, 1945, vol. II, pp. 272-284.

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