In-line measuring device

Details In-line measuring device In-line measuring device

2011-06-07

2011-06-07

Thompson, Jewel (Department: 2855)

Measuring and testing

Volume or rate of flow

Mass flow by imparting angular or transverse momentum to the...

Reexamination Certificate

active

07954388

ABSTRACT:
An inline measuring device, includes a measuring transducer having: at least one measuring tube vibrating, during operation, and serving for conveying, at least at times, a two- or multiphase, flowable medium; an exciter mechanism for producing vibrations of the measuring tube; and a sensor arrangement for registering vibrations of the measuring tube and for delivering oscillation measurement signal representing oscillations of the measuring tube. Measuring device electronics electrically coupled with the measuring transducer. The measuring device electronics delivers, at least one exciter signal driving the exciter mechanism, and, ascertains a damping value of a first type, which represents, instantaneously, a damping of vibrations of the at least one measuring tube induced by medium conveyed in the at least one measuring tube and antisymmetric with reference to an imaginary central plane of the at least one measuring tube coplanar with a cross section of the measuring tube, and/or which represents, instantaneously, a damping of vibrations of the at least one measuring tube induced by medium conveyed in the at least one measuring tube.

REFERENCES:
patent: 5027662 (1991-07-01), Titlow
patent: 5907104 (1999-05-01), Cage
patent: 5926096 (1999-07-01), Mattar
patent: 6327914 (2001-12-01), Dutton
patent: 2007/0180929 (2007-08-01), Rieder
patent: 2008/0066521 (2008-03-01), Logue
patent: 10 2004 021 690 (2005-11-01), None
patent: WO 2007/040468 (2007-04-01), None
U.S. Appl. No. 12/588,180, Daniel Kuttler, filed Oct. 6, 2009.

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