Ultrasonic densitometer for liquid slurries

Details Ultrasonic densitometer for liquid slurries Ultrasonic densitometer for liquid slurries

1983-11-21

1985-06-11

Gill, James J.

Measuring and testing

Specific gravity or density of liquid or solid

73597, G01N 924

Patent

active

045220689

ABSTRACT:
Apparatus employing ultrasonic pulse production at a transmit transducer at a known frequency is received at a receive transducer for sampling a liquid slurry of known composition, but unknown ratio, makeup of liquid, gas and fine, suspended particles. The transmission time is converted to digital form and an adjustable velocity-density slope factor is applied from empirical data to result in a readout voltage that directly relates to the density of the liquid slurry.

REFERENCES:
patent: 3983744 (1976-10-01), Agar
patent: 4208906 (1980-06-01), Roberts
patent: 4235099 (1980-11-01), Ishizaka
patent: 4362048 (1982-12-01), Agar
patent: 4442700 (1984-04-01), Swoboda

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