Inductive flow meter for electrically conductive liquids

Details Inductive flow meter for electrically conductive liquids Inductive flow meter for electrically conductive liquids

2007-10-30

2007-10-30

Patel, Harshad (Department: 2855)

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

Reexamination Certificate

active

10529018

ABSTRACT:
An inductive flow meter for conductive liquids includes a flow channel, diametrically opposite measuring electrodes, and a magnetic field generating system generating a magnetic field in a direction substantially perpendicular to a connecting line between the measuring electrodes and perpendicular to the axis of the flow channel. Active surface structures are used to provide a desired shape to the magnetic field such that the magnetic field lines pass to a limited extent via the inner wall of the flow channel to improve measurement accuracy.

REFERENCES:
patent: 5750902 (1998-05-01), Schwiderski
patent: 6865956 (2005-03-01), Yamamoto
patent: 1 295 223 (1969-05-01), None
patent: 1573066 (1970-10-01), None
patent: 2622943 (1976-12-01), None
patent: 40 02 030 (1991-07-01), None
International Search Report May 27, 2004 for PCT/EP03/010297 filed Sep. 16, 2003, 8 pages.

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