Measuring and testing – Barometer
Patent
1975-02-04
1976-04-20
Woodiel, Donald O.
Measuring and testing
Barometer
73212, G01L 700
Patent
active
039509958
ABSTRACT:
Ambient or static pressure in a fluid stream is sensed with a hollow circr cylinder placed normal to the fluid stream. A shroud is mounted on the cylinder for adjustment over a ring of ports provided in the cylinder. In this manner, the relationship between the internal pressure in the cylinder and the ambient pressure is controllable. Ideally, the internal and ambient pressures are exactly equal. Further, extension of the cylinder above and below the shroud provides symmetry for positive and negative angles of attack.
REFERENCES:
patent: 2101858 (1937-12-01), Knisley
patent: 2173688 (1939-09-01), Karlsson et al.
patent: 3034353 (1962-05-01), Anderson
Englert Alvin J.
Pawlikowski Eugene J.
Robbins David
The United States of America as represented by the Secretary of
Woodiel Donald O.
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