Device for the control of the quantity and/or the flow rate of a liquid
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United States of America Patent
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Jul 27, 1999
Grant Date -
N/A
app pub date -
Jun 3, 1996
filing date -
Jun 6, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for monitoring the flow rate of a liquid has an impeller with a plurality of blades arranged within a duct wherein the liquid flows, and a sensor able to detect the rotation of the impeller. A variable distributor is mounted in the duct for modifying the ratio between the number of revolutions of the impeller and the rate liquid flow in the duct in order to control the resolution of the device.
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