Measuring and testing – Volume or rate of flow – Using differential pressure
Patent
1990-03-20
1992-08-04
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
Using differential pressure
128725, 7386161, G01F 140
Patent
active
051348900
ABSTRACT:
A flow sensing apparatus has an obstruction extending across the tube to form two openings. The obstruction is at an angle to the tube axis and includes a portion with reduced dimension. Pressure sensors are located on opposite sides of the obstruction.
REFERENCES:
patent: 1126275 (1915-01-01), Rice
patent: 1700027 (1929-01-01), Connet
patent: 2146371 (1939-02-01), Dunglinson
patent: 2197214 (1940-04-01), Hollander
patent: 3147618 (1969-09-01), Benson
patent: 3363463 (1968-01-01), Wheeler
patent: 4688433 (1987-08-01), Silverwater
patent: 4920808 (1990-05-01), Sommer
Goldstein Herbert
Shapiro Herbert M.
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