Flow meter

Details Flow meter Flow meter

1989-09-15

1990-10-09

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Using differential pressure

7386163, G01F 140, G01F 144

Patent

active

049613499

ABSTRACT:
Fluid flow measurement apparatus. The apparatus reduces the normal cross sectional area of a portion of the conduit and produces laminar fluid flow through the portion of the conduit having a reduced cross sectional area. The hydraulic grade differential is determined between the fluid pressures in the reduced cross sectional area and the pressure of fluid flowing through a portion of the conduit having a normal cross sectional area.

REFERENCES:
patent: 1805236 (1931-05-01), Connet
patent: 4095466 (1978-06-01), Schontzler et al.
patent: 4168725 (1979-09-01), Astanov et al.
patent: 4799388 (1989-01-01), Hunter

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