Measuring and testing – Volume or rate of flow – By measuring electrical or magnetic properties
Patent
1994-05-04
1995-06-27
Chilcot, Jr., Richard E.
Measuring and testing
Volume or rate of flow
By measuring electrical or magnetic properties
7386111, G01F 156
Patent
active
054269830
ABSTRACT:
A contact free flow meter for determining the velocities and/or flow directions of electrically-conductive fluids is disclosed. At least one primary magnetic field is arrayed generally perpendicular to the flow path, the field having strength gradients extending along the flow path. At least two magnetic field sensors are spaced apart in the direction of the flow path the sensor being responsive to the magnetic field. The device is capable of functioning notwithstanding electrically-conductive material such as pipe walls interposed between the fluid and the meter.
REFERENCES:
patent: 3138022 (1964-06-01), Mayer
patent: 3191436 (1965-06-01), Davis
patent: 3802262 (1974-04-01), Banks
patent: 4363244 (1982-12-01), Rabeh et al.
Haubrich Hartmut
Julius Edmund
AMEPA Engineering GmbH
Basseches Mark T.
Chilcot Jr. Richard E.
Dougherty Elizabeth L.
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