Vibrating beam force-frequency transducer and pendulous...

G - Physics – 01 – P

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G01P 15/09 (2006.01) G01L 1/16 (2006.01) G01P 15/097 (2006.01) G01P 15/10 (2006.01)

Patent

CA 2004362

ABSTRACT OF THE DISCLOSURE A vibrating force transducer suitable for use in a pendular accelerometer comprises a flat elongated strip of piezo-electric material having end portions arranged for being securely connected to elements which apply a force to be measured along the direction of elongation when the transducer is in service. The strip is fractionated by slits parallel along the direction of elongation and orthogonal to major faces of the strips into a central beam and lateral beams which are in a common plane, the lateral beams carrying electrode means for flexural vibration in the common plane at a resonance frequency indicative of the value of the force applied to the end portions and the central beam carrying a resistive temperature sensor.

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