Variable area flowmeter, system comprising a variable area flowmeter and an external control unit, and method for operating a variable area flowmeter
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United States of America Patent
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Aug 20, 2024
Grant Date -
Apr 30, 2020
app pub date -
Oct 24, 2019
filing date -
Oct 26, 2018
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Abstract
A variable area flowmeter having a float and having a display unit, the display unit includes a pointer element, the pointer element is connected directly or indirectly to the float such that the pointer element is mechanically deflected by the float during the measuring process. The variable area flowmeter that operates particularly reliably and is flexibly applicable at the same time is achieved in that the display unit comprises at least one bi-stable display which only requires an energy supply in order to modify the displayed representation and/or to restore the representation.
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