Magnetic flow sensor

Details Magnetic flow sensor Magnetic flow sensor

1998-10-05

2000-07-11

Noori, Max

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

7386115, G01F 158

Patent

active

060855991

ABSTRACT:
Sensors for measuring the flow rate of fluids flowing through or around a chamber. The chamber is formed using electrically insulating material through which there is an orthogonal alternating magnetic field provided by a mechanically repositioned permanent magnet and at least a pair of electrodes in line with and orthogonal to the magnetic field. This provides an electrical potential with a magnitude proportional to flow rate. The alternating magnetic field may also be provided by a stationary multiple electromagnet. Various embodiments are disclosed which make use of electromagnetics, stepper motors and other modifications for adapting the flow sensor to a wide variety of applications and environmental conditions.

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