Capacitive electromagnetic flowmeter

Details Capacitive electromagnetic flowmeter Capacitive electromagnetic flowmeter

2011-01-25

2011-01-25

Thompson, Jewel (Department: 2855)

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

Reexamination Certificate

active

07874218

ABSTRACT:
A measuring pipe obtained by applying an insulating resin lining to the inside of a nonmagnetic pipe is employed. A through hole reaching the resin lining is made in the sidewall of the nonmagnetic pipe, and a signal electrode and a guard electrode are arranged in the through hole. The through hole is filled with an insulating vibration absorbing member so as to cover the periphery of the signal electrode and the guard electrode. A gelatinous substance of silicon resin, or the like, is employed as the vibration absorbing member, but liquid such as oil may be employed to liquid seal the signal electrode and the guard electrode in the through hole. Consequently, the electromagnetic flowmeter can be formed compact and its production is facilitated.

REFERENCES:
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patent: 5866823 (1999-02-01), Scarpa
patent: 6973840 (2005-12-01), Cushing
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patent: 2002-071408 (2002-03-01), None
patent: 2003-065815 (2003-03-01), None
patent: 2004-138457 (2004-05-01), None

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