Solid piezoelectric sand detection probes

Details Solid piezoelectric sand detection probes Solid piezoelectric sand detection probes

1977-02-23

1978-12-26

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310328, 310334, H01L 4110

Patent

active

041318153

ABSTRACT:
A solid probe adapted to detect the presence of sand in a fluid stream flowing through a conduit. The probe is positioned in a fluid stream and mechanically transmits the acoustical energy released when particulate matter strikes the probe to a transducer external to the probe which in turn generates an electrical signal having a frequency component representative of the particulate matter. The electrical signal is then processed to furnish information about the sand content of the flow stream.

REFERENCES:
patent: 2561763 (1951-07-01), Waters et al.
patent: 2746291 (1956-05-01), Swengel
patent: 2990482 (1961-06-01), Kenny
patent: 3140859 (1964-07-01), Scarpa
patent: 3771117 (1973-11-01), Shaffer et al.
patent: 3816773 (1974-06-01), Baldwin et al.
Ultrasonic Engineering by Julian R. Frederick, 1965, pp. 106, 107, 218-221.
Basic Ultrasonics by Cyrus Glickstein, 1960, p. 37.

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