Method and apparatus for determining liquid flow rates

Details Method and apparatus for determining liquid flow rates Method and apparatus for determining liquid flow rates

1982-06-28

1984-06-26

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Tank type

73861, G01F 338

Patent

active

044558708

ABSTRACT:
There is provided a method of determining the total inflow of a liquid through a liquid-flow system in which the liquid enters a sump cavity and is pumped out of the sump cavity by pump means. Computing means calculates an on-going total inflow volume for the liquid by (i) adding in the sump cavity volume between a lower and upper limit level each time the liquid surface rises to the upper limit level, and (ii) determining the inflow rate over the last portion of the filling time just described and extrapolating this inflow rate over the time when the pump means is pumping to yield an incremental quantity, such quantity being added in to the on-going total inflow volume.

REFERENCES:
patent: 3019649 (1962-02-01), Kuntz et al.
patent: 3125881 (1964-03-01), Peters et al.
patent: 3350937 (1967-11-01), Brewer
patent: 4127030 (1978-11-01), Martig, Jr.

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