Digital Flowmeter

Manus Henry (Inventor), D.W. Clarke (Inventor), J. Vignos (Inventor)

Research output: Patent


A controller for a flowmeter includes an input module operable to receive a sensor signal from a sensor connected to a vibratable flowtube. The sensor signal is related to a fluid flow through the flowtube. The controller also includes a signal processing system operable to receive the sensor signal, determine sensor signal characteristics, and output drive signal characteristics for a drive signal applied to the flowtube. An output module is operable to output the drive signal to the flowtube and a control system is operable to modify the drive signal and thereby maintain oscillation of the flowtube during a transition of the flowtube from a substantially empty state to a substantially full state.

Original languageEnglish
Patent numberUS2010107778
IPCG01F 1/ 76 A I
Priority date31/10/07
Filing date31/10/07
Publication statusPublished - 6 May 2010
Externally publishedYes

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