Method and apparatus for measuring gas flow using bubble volume

Details Method and apparatus for measuring gas flow using bubble volume Method and apparatus for measuring gas flow using bubble volume

1990-06-21

1992-03-03

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

By counting drops, bubbles, or particles

G01F 1300

Patent

active

050921819

ABSTRACT:
Method and apparatus for measuring minute gas flows and/or accumulations wherein a gas flow is bubbled through a defined path in separated form and a sensor is used to detect and count each bubble. The bubble count signal can be used to calculate gas accumulation, or to calculate gas flow rate if made during a defined time period, or to meter the flow of the gas to a point of utilization.

REFERENCES:
patent: 2333791 (1943-11-01), Hutchinson, Jr.
patent: 2683986 (1954-07-01), Bartlett et al.
patent: 2967450 (1961-01-01), Shields et al.

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