Measuring and testing – Volume or rate of flow – Mass flow by imparting angular or transverse momentum to the...
Patent
1981-05-18
1982-08-17
Woodiel, Donald O.
Measuring and testing
Volume or rate of flow
Mass flow by imparting angular or transverse momentum to the...
73299, G01F 152
Patent
active
043443290
ABSTRACT:
A sewer flow measurement system for determining flow conditions of a sewer line system wherein separately located monitors make and record precisely synchronized and time identified pressure measurements, utilizing pressure-to-signal transducers positioned on the bottom of pipes where they exit into manholes. A cassette recorder records the different pressure related signals from the monitors together with a discrete identification signal from each monitor. The outputs of the recorder are then fed to a pressure-to-flow computer which provides location identified, time synchronized, flow data for the system.
REFERENCES:
patent: 4070563 (1978-01-01), Petroff
patent: 4116061 (1978-09-01), Petroff
patent: 4211111 (1980-07-01), Petroff
patent: 4221127 (1980-09-01), McClure
patent: 4295197 (1981-10-01), Petroff
Phillips C. A.
Woodiel Donald O.
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