Measuring and testing – Volume or rate of flow – Using differential pressure
Patent
1979-02-28
1980-07-15
Woodiel, Donald O.
Measuring and testing
Volume or rate of flow
Using differential pressure
73180, 73182, 7386165, G01C 2100
Patent
active
042121990
ABSTRACT:
A system supported by a wing in flight having a reference total pressure port in spaced relation with a wake as the wake is generated by the wing, a reference static pressure port supported in spaced relation with the wake, a probe adapted to be displaced along an arcuate path through the wake including a total pressure port and static pressure ports. A differential pressure transducer and a pressure switching device interposed between the ports and the transducer is provided for selectively connecting pairs of the ports to the transducer in opposed relation, whereby a single transducer is utilized in obtaining differential pressure measurement for the wake with enhanced accuracy.
REFERENCES:
patent: 3273399 (1966-09-01), Saltzman et al.
patent: 3699811 (1972-10-01), Maiden et al.
"Reports and Memorandums", No. 1688, British A.R.C., Jan. 1963.
"Use of a Pitot-static Probe for Determining Wing Section Drag In Flight at Mach Numbers From 0.5 to Approximately 1.0 NASA TMX-56025," Jul. 1974, Montoya et al.
Bikle Paul F.
Montoya Lawrence C.
Manning John R.
McCaul Paul F.
Mott Monte F.
The United States of America as represented by the Administrator
Woodiel Donald O.
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