Ultrasonic particulate sensing

Details Ultrasonic particulate sensing Ultrasonic particulate sensing

1978-08-07

1980-12-09

Kreitman, Stephen A.

Measuring and testing

Gas content of a liquid or a solid

By vibration

G01N 2902

Patent

active

042377200

ABSTRACT:
A pulse echo device with a concave transmitter-receiver surface located to direct ultrasonic energy to a focal point spaced therefrom transversely of a conduit, the focal point being a distance transversely of the conduit less than twice the thickness of the conduit.

REFERENCES:
patent: 3204458 (1965-09-01), Gillen
patent: 3269172 (1966-08-01), McGaughey
patent: 3774717 (1973-11-01), Chodorow
patent: 3821834 (1974-07-01), McElroy
patent: 3898637 (1965-08-01), Wolstenholme
patent: 3974681 (1976-08-01), Namery
patent: 4068521 (1978-01-01), Cosentino et al.
J. T. McElroy, "Focused Ultrasonic Beams", Automation Industries, Inc. Brochure, pp. 6-16, Sep. 1966.
Patterson et al., "Microemboli During Cardiopulmonary Bypass Detected By Ultrasound", Surg., Gyn. and Obs., 129: 505-510, 1969.
Szabo et al., "Arterial Blood Filter Evaluation By Echo-Ultrasound", Proc. 27th Annual Conference On Engineering In Medicine and Biology", 16: 191, 1974.

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