Rotameter with float guide members

Details Rotameter with float guide members Rotameter with float guide members

1979-06-15

1981-03-24

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Using differential pressure

G01F 122

Patent

active

042572797

ABSTRACT:
A flowmeter for fluids comprising a transparent vertical tube widening in upward direction, a ball freely disposed within said tube so as to be carried upward in dependence upon the flow, and a plurality of helical guide members on the inside of said tube, the guide members having inner edges which extend substantially vertically so that the free cross-sectional area for movement of the ball is substantially the same at all heights of the tube, the guide members minimizing pendulating of the ball and thereby increasing the accuracy of measurement.

REFERENCES:
patent: 2437247 (1948-03-01), Fischer
patent: 2441350 (1948-05-01), Fischer
patent: 2490792 (1949-12-01), Fischer
patent: 8842671 (1974-10-01), Frizell

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