Acoustic flow meter in the form of a valve key

Details Acoustic flow meter in the form of a valve key Acoustic flow meter in the form of a valve key

2005-09-06

2005-09-06

Patel, Harshad (Department: 2855)

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

C073S152180

Reexamination Certificate

active

06938497

ABSTRACT:
An acoustic flow meter in the form of a valve key has an acoustic sensor12for measuring the peak sound level which occurs when the key is used to close a valve in a fluid pipeline. The peak sound level can be used to accurately calculate the flow through the valve and provide the flow information on a display unit11. Parameters for the upstream supply pressure, pipe diameter and valve characteristics can be entered to ensure the accuracy of the flow calculations. The key therefore provides a way of determining fluid flow in a pipeline to a reasonable level of accuracy without having to install in-line flow meters.

REFERENCES:
patent: 2073107 (1937-03-01), Johnston
patent: 3800277 (1974-03-01), Patton et al.
patent: 5113379 (1992-05-01), Scherbatskoy
patent: 5592438 (1997-01-01), Rorden et al.

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