Flow meter
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United States of America Patent
Stats
-
Jul 31, 1990
Grant Date -
N/A
app pub date -
Sep 19, 1988
filing date -
Sep 19, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fluid flow meter is disclosed which can generate both an electrical and a mechanical representation of flow rate. A first magnet, mounted within a flow tube, is displaced in response to fluid flow in the flow tube. A second magnet, mounted outside the flow tube, moves in response to changes in the magnetic coupling between the first magnet and the second magnet caused by displacement of the first magnet within the flow tube. A pointer is coupled to the second magnet and moves with the second magnet to produce a visual representation of flow rate. A sensor, mounted in proximity to the second magnet, and responsive to movement of the second magnet, produces an electrical signal representative of the flow rate.
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