By-pass flowmeter

Measuring and testing – Volume or rate of flow – Proportional

Patent

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Details

73209, G01F 500

Patent

active

041738900

ABSTRACT:
A by-pass flowmeter of coaxial design comprises a transparent outer tube and a rotameter coaxially disposed within the outer tube and laterally spaced therefrom to define an annular by-pass chamber. An inlet is at least partially disposed within one end of the outer tube in fluid communication with both the rotameter inlet and an adjacent portion of the by-pass chamber while an outlet is at least partially disposed within the other end of the outer tube in fluid communication with both the rotameter outlet and an adjacent end portion of the by-pass chamber. As the by-pass flowmeter is of coaxial design, greater accuracy is obtainable than with by-pass flowmeters of non-coaxial design.

REFERENCES:
patent: 185001 (1876-12-01), Wasmandorff
patent: 2003474 (1935-06-01), Schweitzer
patent: 2043636 (1936-06-01), Thompson
patent: 2370634 (1945-03-01), Brewer
patent: 2439614 (1948-04-01), Schramm
patent: 3605496 (1971-09-01), Wenham

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