Directional low differential pressure transducer

Details Directional low differential pressure transducer Directional low differential pressure transducer

1987-07-15

1988-11-29

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Electrical

7320417, 7386163, 7320419, G01L 2112

Patent

active

047872519

ABSTRACT:
A pressure differential measuring apparatus (25) wherein the direction of fluid flow (5) is determined by calculating the ratio between pressures of two discrete fluid masses (3, 4). The device includes two tandem thermal sensors (7, 6), the upstream sensor creating a thermal wake which is carried past the downstream sensor, thereby slowing the downstream sensor's nominal cooling rate. A venturi (8) is utilized to create desired flow characteristics in the region of the sensors.

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patent: 3352154 (1967-11-01), Djorup
patent: 3374676 (1968-03-01), Brenot
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patent: 3900819 (1975-08-01), Djorup
patent: 3995481 (1976-12-01), Djorup
patent: 4024761 (1977-05-01), Djorup
patent: 4206638 (1980-06-01), Djorup
patent: 4279147 (1981-07-01), Djorup
patent: 4541286 (1985-09-01), Holme

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