Method for measuring a medium that flows through a measuring...

Details Method for measuring a medium that flows through a measuring... Method for measuring a medium that flows through a measuring...

2006-04-18

2006-04-18

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

Reexamination Certificate

active

07028558

ABSTRACT:
A method for measuring a flow rate of a medium through a measuring tube which is penetrated by a constant magnetic field orthogonal to a flow direction and in which an electrical voltage building up in the medium is sensed by electrodes, insulted with respect to the medium and located on an outer wall of the measuring tube in a plane orthogonal to the flow direction of the medium, in which the capacitance of at least one capacitive unit is formed by the electrodes, and a measuring tube interior area and a charge change brought about by a change to the at least one capacitive is determined, and from this a voltage is established which is determinative of the flow rate of the medium through the measuring tube.

REFERENCES:
patent: 4592240 (1986-06-01), McHale et al.
patent: 4658652 (1987-04-01), Picone et al.
patent: 4839581 (1989-06-01), Peterson, Jr.
patent: 5269191 (1993-12-01), Wada
patent: 6708569 (2004-03-01), Budmiger
patent: 10049781 (2002-04-01), None

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