Airflow sensor for averaging total pressure
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United States of America Patent
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-
Dec 3, 2002
Grant Date -
N/A
app pub date -
Dec 22, 2000
filing date -
Dec 22, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flow sensor for compressible fluid comprising a central hub having a total pressure chamber and a static pressure chamber disposed therein. A pair of wings extend radially outward from opposing sides of the total pressure chamber. The wings include a plurality of radially spaced holes oriented to generally face an upstream direction and an internal wing passageway connecting the spaced holes to the total pressure chamber. The sensor also includes a static tube having a tube wall extending outward from the static pressure chamber from a first attached end to a second distal closed end. A generally upstream facing hole and a generally downstream facing hole are disposed on opposing sides of the tube wall intermediate the first and second ends to define a fluid flow passage therethrough. An internal tube passageway connects the flow passage to the static pressure chamber.
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