Airflow indicator

Details Airflow indicator Airflow indicator

1994-08-03

1995-09-19

Williams, Hezron E.

Measuring and testing

Volume or rate of flow

Using differential pressure

G01F 122

Patent

active

054507596

ABSTRACT:
An airflow (1) having at least one air inlet (8) connectable to a pressurized air supply source; a plurality of air outlets (16) each connectable to a respective air tube; and a viewable chamber (28) pneumatically connected between the or each air inlet and each air outlet, each such viewable chamber (28) containing an indicating element (18) floatable within the chamber in response to flow of air from the air inlet to the air outlet to thereby visually indicate the flow of air through each respective chamber.

REFERENCES:
patent: 2749742 (1956-06-01), Aller
patent: 3181358 (1965-05-01), Busillo
patent: 3289464 (1966-12-01), Byrkett et al.
patent: 3974857 (1976-08-01), Hehl
patent: 4050305 (1977-09-01), Evans et al.
patent: 4174733 (1979-11-01), Eidsmore et al.
patent: 4302980 (1981-12-01), Braatz
patent: 4896534 (1990-01-01), Daly

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