Positive displacement flow meter
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United States of America Patent
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Issued Date -
Jan 31, 2013
app pub date -
Jul 28, 2011
filing date -
Jul 28, 2011
priority date (Note) -
Abandoned
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Abstract
There is a positive displacement flowmeter having a pair of rotors 11 rotatable on spaced apart parallel axis 14 within a housing 8 between inlet and outlet chambers 9, 10. The rotors have gear teeth 18 and are meshed together to rotate in accordance with volumetric fluid flow through the meter from the inlet chamber 9 to the outlet chamber 10. Each of the rotors has three lobes with rotor profiles between adjacent lobes being concave.
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