Solid state transducer for Coriolis flowmeter

Details Solid state transducer for Coriolis flowmeter Solid state transducer for Coriolis flowmeter

1998-10-09

2000-12-26

Patel, Harshad

Measuring and testing

Volume or rate of flow

Mass flow by imparting angular or transverse momentum to the...

73861355, 32420713, G01F 184

Patent

active

061641405

ABSTRACT:
A solid state transducer is provided for a Coriolis flow meter having a flow tube adapted to vibrate at a predetermined resonance frequency to determine mass flow rate of a fluid passing therethrough. The driver includes a strain element, such as an elongated piezoelectric or magnetostrictive element fastened axially along the wall of the tube. The strain element is adapted to oscillate in the axial direction along with the tube wall to generate and/or sense vibration of the tube in response to. The transducer may be utilized as a driver or alternatively, as a sensor wherein the transducer is oscillated along with oscillation of tube wall in the axial direction to generate an output signal responsive thereto.

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patent: 5700957 (1997-12-01), Alesz et al.
patent: 5708320 (1998-01-01), Ohnishi et al.

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