Positive displacement flow meter with helical-toothed rotors
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United States of America Patent
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Sep 23, 1980
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N/A
app pub date -
Jan 6, 1978
filing date -
Jan 19, 1977
priority date (Note) -
Expired
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Abstract
The present invention relates to a positive displacement flow meter having a pair of rotors to be rotatably engaged with each other which are provided with tooth profile curves of a cycloid and of a trochoid. Since the tooth profile of one rotor is equal to that of the other rotor, transmission of energy between the two rotors is uniform, and wear of teeth of the two rotors being reduced.
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