Piezoelectric pick-up device for measuring pressures within holl

Details Piezoelectric pick-up device for measuring pressures within holl Piezoelectric pick-up device for measuring pressures within holl

1974-08-30

1976-03-02

Budd, Mark O.

Electrical generator or motor structure

Educational or construction units or kits

73194A, 310 83, 310 87, H01L 4104

Patent

active

039420493

ABSTRACT:
Piezoelectric pick-up device for measuring internal overpressure of hollow bodies such as cylindrical pipes. The device has similar parts which present a cavity therebetween with a circular cross section with a circular groove. Within the groove there is disposed an insert composed of four parts, said insert encompassing the hollow body and transmits the deformations of the hollow body due to overpressure therewithin to piezoelectric plates. The four parts of the insert are advantageously made of steel.

REFERENCES:
patent: 3101420 (1963-08-01), Hufferd et al.
patent: 3105380 (1963-10-01), Stebbins
patent: 3204458 (1965-09-01), Gillen
patent: 3248933 (1966-05-01), Stebbins
patent: 3357243 (1967-12-01), Woodcock
patent: 3568661 (1971-03-01), Franklin

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