Precalibrated flow meter with airflow compensator
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United States of America Patent
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Jun 24, 2003
Issued Date -
N/A
app pub date -
Jun 18, 2001
filing date -
Aug 7, 1997
priority date (Note) -
Expired
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Abstract
An air flow compensator for use with flow meters which includes a main slide element, a secondary slide element and first and second spring elements. The main slide element includes a magnetic insert in one end thereof and is movable toward a proximity sensor that detects the proximity of the magnetic insert. The first spring element biases both the main slide element and the secondary slide element away from the proximity sensor and the second spring element biases only the secondary slide element away from the proximity sensor. The secondary slide element is both movable together with the first slide element and independently movable with respect to the main slide element.
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