Pressure transducer

Details Pressure transducer Pressure transducer

1988-09-28

1990-07-03

Orsino, Joseph A.

Measuring and testing

Fluid pressure gauge

Vibration type

73729, 73DIG1, G01L 900

Patent

active

049380680

ABSTRACT:
A pressure transducer 10 is disclosed wherein a bellows 11 is expanded by an external pressure applied at pressure port 16. The force created by external pressure applied to bellows 11 is mechanically transferred to one end of a vibrating elastic member 14 by axial displacement of saddle 13. A change in external pressure is thereby read as a change in resonant frequency of elastic member 14.

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patent: 4498344 (1985-02-01), Dinger
patent: 4644796 (1987-02-01), Ward
patent: 4703216 (1987-10-01), Corbett
patent: 4739664 (1988-04-01), Hetrick
"Norwegian Practice in Instrumenting Dams", by K. Y. Nilsen, E. DiBiagio and A. Andresen, 11-25-88.

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