Fluid production computation apparatus using electromagnetic...

Details Fluid production computation apparatus using electromagnetic... Fluid production computation apparatus using electromagnetic...

2008-01-11

2010-06-29

Thompson, Jewel (Department: 2855)

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

C324S204000

Reexamination Certificate

active

07743671

ABSTRACT:
A fluid production computation apparatus using the electromagnetic induction theory is disclosed. In accordance with an embodiment of the present invention, the fluid production computation apparatus includes a line through which a current flows according to fluid production; a magnetic sensor, measuring magnetism induced by the current; and a fluid production computation unit, computing the fluid production through magnetism measured by the magnetic sensor. The conventional flow measurement apparatus measures the flow by measuring a current or a voltage induced by magnetism formed by a fluid or by using a fluid measurement sensor. However, with the present invention, an apparatus can be miniaturized and the measurement can be precisely performed by measuring a magnetic field induced by a current flowing according to fluid production.

REFERENCES:
patent: 3892653 (1975-07-01), Pacheco
patent: 4346604 (1982-08-01), Snook et al.
patent: 5394339 (1995-02-01), Jones
patent: 2007/0164737 (2007-07-01), Pusiol
patent: 2006-263615 (2006-10-01), None
patent: 2001-0111285 (2001-12-01), None
patent: 10-2005-0042216 (2005-05-01), None
Office Action mailed on Jul. 30, 2008 and issued in corresponding Korean Patent Application No. 10-2007-0040539.

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