Single vibrating tube transducers
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United States of America Patent
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-
Oct 16, 1990
Grant Date -
N/A
app pub date -
Nov 18, 1988
filing date -
Nov 19, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A single vibrating tube transducer comprises a tube (4) held between two nodal masses (6) which are attached to the tube (2) close to their respective centers of gravity (16). Each nodel mass (6) has an extended portion (14) which is attached at its free end to the opposing nodal mass by an arrangement of metal ligaments (18). Vibrating means (19) and sensing means (20) drive and detect the tube motion respectively. The tube has discontinuities (28) adjacent to the vibrating means (19) and the sensing means (20), to ensure the desired mode of resonance is achieved. Acoustic baffles (30) prevent inaccuracies due to internal acoustic resonance in the transducer.
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