Measurement and control of fluid flow

Details Measurement and control of fluid flow Measurement and control of fluid flow

1975-09-29

1977-01-18

Gill, James J.

Measuring and testing

Volume or rate of flow

System

73209, 73453, G01F 128

Patent

active

040032558

ABSTRACT:
An improved method and apparatus for measuring fluid flow and controlling fluid flow systems. The invention uses a magnetically responsive float normally resting in contact with a stop element positioned in the flow conduit, with magnetic means positioned upstream. The requisite increase of magnetic force to pull said float element from the stop element against the direction of fluid flow is related to the flow rate, thus serving to indicate same for metering or control purposes. Normally, the current to an electromagnet required to overcome the force of fluid flow is used as a measure of flow rate. This system can also be employed to determine fluid viscosity.

REFERENCES:
patent: 2775126 (1956-12-01), Honick
patent: 3316767 (1967-05-01), Leibert
patent: 3593585 (1971-07-01), Bresson
patent: 3662598 (1972-05-01), Spencer
patent: 3847020 (1974-11-01), Jurschak

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