Measuring and testing – Volume or rate of flow – By measuring vibrations or acoustic energy
Patent
1983-12-12
1986-01-07
Ruehl, Charles A.
Measuring and testing
Volume or rate of flow
By measuring vibrations or acoustic energy
G01F 132
Patent
active
045627452
ABSTRACT:
A flowmeter for insertion in a fluid conduit, the flowmeter comprising a tubular member for the passage therethrough of a fluid which flows through said conduit and whose flow rate is to be measured; a bluff body which is mounted in the tubular member so as to produce in said fluid oscillations whose frequency varies with said flow rate; sensor means responsive to said fluid oscillations for indicating said flow rate; and vortex reducing means for reducing the separation of vortices from the tubular external surface of the tubular member.
REFERENCES:
patent: 3116639 (1964-01-01), Bird
Ruehl Charles A.
Sarasota Automation Limited
Sjoquist Paul L.
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