Measuring and testing – Volume or rate of flow – Mass flow by imparting angular or transverse momentum to the...
Patent
1990-12-24
1993-08-03
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
Mass flow by imparting angular or transverse momentum to the...
73273, G01F 100
Patent
active
052318834
ABSTRACT:
An apparatus for defining the free surface of a moving column of a fluid in vertical pipe to enhance the accuracy of measurements of transient rate of flow of the fluid using electromagnetic flowmeter is described. It provides a neutrally buoyant plug which stays in contact with the free surface of the column of the fluid at all times and thus defines the free surface of the fluid moving in the vertical pipe accurately and reduces the oscillations of the free surface of the fluid.
REFERENCES:
patent: 2079699 (1992-05-01), Thomas
patent: 3177699 (1965-04-01), Linquist et al.
patent: 4373815 (1983-02-01), Bruce
patent: 4729236 (1988-03-01), Samborsky
Durgin William W.
Lefebvre Paul J.
Goldstein Herbert
Lall Prithyi C.
McGowan Michael J.
Oglo Michael F.
The United States of America as represented by the Secretary of
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