Directional low differential pressure transducer
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United States of America Patent
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-
Nov 29, 1988
Grant Date -
N/A
app pub date -
Jul 15, 1987
filing date -
Jul 15, 1987
priority date (Note) -
Expired
status (Latency Note)
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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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