Mass rate flow meter

Details Mass rate flow meter Mass rate flow meter

1979-06-29

1980-12-30

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

By measuring thrust or drag forces

74 522, G01F 178

Patent

active

042416132

ABSTRACT:
A mass rate flow meter is provided having a universally-mounted gyroscopic apparatus against which a fluid stream, the mass rate of flow of which is to be measured, is directed. The fluid drives the rotor of the gyroscopic apparatus at and angular velocity proportional to the fluid stream velocity and impinges upon a pressure pad mounted on the gyroscopic apparatus, such that the effective impingement force is applied asymmetrically to the rotor, thereby applying a torque to the gyroscopic apparatus proportional to the dynamic pressure of the fluid stream and causing precessional rotation of the gyroscopic apparatus. The resulting precessional rotation of the gyroscopic apparatus is at a rate proportional to the mass rate of flow of the fluid. Measurement of the precessional rotation of the gyroscopic apparatus provides an indication of the mass rate of flow, and totalization of the precessional rotations provides total mass flow indications.

REFERENCES:
patent: 2222754 (1940-11-01), Von Freydorf
patent: 2714310 (1955-08-01), Jennings
patent: 2914945 (1959-12-01), Cleveland
patent: 2964954 (1960-12-01), Cleveland
patent: 3000223 (1961-09-01), Trekell
patent: 3084560 (1963-04-01), Cleveland
patent: 3396579 (1968-08-01), Souriau

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