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Vibrating flow meter with multi-channel flow tube

A multi-channel, vibrating meter technology, applied in direct mass flowmeter, mass flow measurement device, measuring flow/mass flow, etc., can solve the problem of inappropriate size of flowmeter

Pending Publication Date: 2021-06-15
MICRO MOTION INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While this solution has provided a flow meter with less measurement error, the resulting larger flow meter size is not suitable for many process applications

Method used

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  • Vibrating flow meter with multi-channel flow tube
  • Vibrating flow meter with multi-channel flow tube
  • Vibrating flow meter with multi-channel flow tube

Examples

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Embodiment Construction

[0043] The present disclosure describes vibratory meters including multi-channel flow tubes and methods of measuring fluids using vibratory flow meters including multi-channel flow tubes.

[0044] figure 1 A vibrating meter 5 is depicted with a multi-channel flow tube 130 according to an example. like figure 1 As shown, vibrating meter 5 includes meter assembly 10 and meter electronics 20 . The meter assembly 10 is responsive to the mass flow rate and density of the process material. Meter electronics 20 is connected to meter assembly 10 via leads 100 to provide density, mass flow rate and temperature information, among other information, via communication path 26 . Information and commands may further be received at meter electronics 20 via communication path 26 .

[0045] A Coriolis flowmeter configuration is described, although this is not intended to be limiting. Those skilled in the art will readily appreciate that the present application may be practiced as a vibr...

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Abstract

The invention provides a vibrometer (5) and a method for measuring a fluid. Each vibrometer comprises a multi-channel flow tube (300) comprising two or more fluid channels (302), a sensitive element (170), a driver (180), and meter electronics (20) configured to apply a drive signal to the driver at a drive frequency omega and to measure deflection of the multi-channel flow tube with the sensitive element. In an example, the at least one fluid channel has a kinematic viscosity, an anti-Stokes number, and a drive frequency, a sound velocity and a driving velocity, or an effective diameter related to the length of the flow tube. In further examples, the driver can apply a drive signal to the driver, the drive signal has a driving frequency proportional to the kinematic viscosity, the anti-Stokes number, the effective diameter, or the sound velocity and the effective diameter.

Description

technical field [0001] Examples described below relate to vibrating meters and methods for using the vibrating meters. More particularly, examples relate to vibrating meters that include multi-channel flow tubes. Background technique [0002] Vibrating meters, such as Coriolis mass flow meters and vibrating density meters, typically operate by detecting the motion of a vibrating flow tube containing a flowing material. Properties associated with the material in the flow tubes, such as mass flow, density, etc., may be determined by processing measurement signals received from motion transducers associated with the flow tubes. A vibrating meter is a meter assembly with one or more flow tubes in a straight or curved configuration. Each flow tube configuration in a Coriolis mass flow meter, for example, has a set of natural modes of vibration, which may be of the simple bending, torsional, or coupled type. Each flow tube can be driven to oscillate in a preferred mode. When t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/84
CPCG01F1/8409G01F1/845G01F1/8468G01F1/8477G01F1/8486G01F1/8495G01F1/8422G01F1/8427G01F1/8431
Inventor M.J.贝尔J.魏因施泰因M.N.德赛C.R.格里芬
Owner MICRO MOTION INC
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