Flowmeters having rotors with grooved bores and lands
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 2, 1991
Grant Date -
N/A
app pub date -
Jun 22, 1990
filing date -
Jun 22, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flowmeter has meshing rotors mounted on shafts. The bores of the rotors have plural longitudinally extending grooves which flow materials through the grooves and out of the bores to promote long, accurate running of the flowmeters. Radial faces of counterbores and end faces and lands of the rotor are provided with radial extensions of the axially extending grooves to provide flow of the material through the grooves.
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