Resonant pressure transducer

Details Resonant pressure transducer Resonant pressure transducer

1992-03-23

1994-06-07

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Vibration type

73717, 73723, 7386241, G01L 708, G01L 1100

Patent

active

053179170

ABSTRACT:
A resonant pressure transducer, having a deformable diaphragm or membrane exposed to an ambient environment wherein a pressure force to be measured exists, is provided. A transducer according to the present invention comprises a converter for transmitting the pressure force experienced by the diaphragm to a resonator vibrated by an exciter whose resonant frequency is a function of the intensity of the ambient pressure force to be determined. The converter and resonator are mounted in a rigid frame. The converter has flexible bending means able to absorb the bending moments resulting from the deformation of the diaphragm, so as to transmit to the resonator a tension or a compression force free from bending moments that generate stresses at the entrance of the resonator.

REFERENCES:
patent: 4382385 (1983-05-01), Paros
patent: 4406966 (1983-09-01), Paros
patent: 4476725 (1984-10-01), Chorel et al.

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