Coriolis mass flowmeter

Details Coriolis mass flowmeter Coriolis mass flowmeter

2007-05-08

2007-05-08

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

10972693

ABSTRACT:
Coriolis mass flowmeter with a measuring pipe (2) vibrating in coupled flexural and torsional modes, characterized in that an attachment (20) which is formed rotationally symmetrically with respect to an axis of rotational symmetry and can be made to undergo torsional oscillations of the same frequency, but opposite phase, in relation to the torsional oscillating modes of the measuring pipe (2) is mechanically connected to the measuring pipe (2) and the axis of rotational symmetry of the attachment runs parallel to the straight line (8) (central axis) defined by the center points (4a, 6a) of the cross-sectional areas (4, 6) of the inlet and outlet of the measured section or coincides with this line.

REFERENCES:
patent: 5398554 (1995-03-01), Ogawa et al.
patent: 5691485 (1997-11-01), Endo et al.
patent: 5945609 (1999-08-01), Kashimura et al.
patent: 6401548 (2002-06-01), Drahm et al.
patent: 6782764 (2004-08-01), Osawa
patent: 6904667 (2005-06-01), Lanham et al.

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