Soap film gas flowmeter

Details Soap film gas flowmeter Soap film gas flowmeter

1986-03-10

1987-09-08

Noland, Tom

Measuring and testing

Volume or rate of flow

By measuring transit time of tracer or tag

73 3, G01F 1708, G01F 2500

Patent

active

046915770

ABSTRACT:
A soap film gas flowmeter comprising a hollow flow tube having opposite open ends through which a soap bubble is propelled with one open end extending into a first closed chamber housing the soap solution and the opposite open end extending into a second chamber. Inlet gas is fed into the first chamber, passed through the flowtube and discharged from the second chamber. A manually movable piston like member is provided for generating a soap bubble at the bottom open end of the flowtube. The flowtube has an opening in it for providing an open passageway for inlet gas to pass through the flowtube when the bottom open end of the flowtube is covered by the soap solution.

REFERENCES:
patent: 2949764 (1960-08-01), Knauth
patent: 3248941 (1966-05-01), McArthur
patent: 3277707 (1966-10-01), Rodel
patent: 3308660 (1967-03-01), De Ford
patent: 3323362 (1967-06-01), Wells

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