In-flow acoustic sensor

Details In-flow acoustic sensor In-flow acoustic sensor

1993-11-10

1995-12-19

Eldred, J. Woodrow

Communications, electrical: acoustic wave systems and devices

Signal transducers

367901, 367906, 181153, 181400, 381 91, 73649, 7386118, H04R 2300

Patent

active

054775060

ABSTRACT:
An acoustic sensor for measuring acoustic waves contained in fluid flow flowing over the sensor. The acoustic sensor reduces any unwanted self-noise associated with the flowing fluid by providing a nose cone having proper aerodynamic properties and by positioning the diaphragm of a microphone of the sensor at a location where any unwanted noise is at a relatively low level. The nose cone has a rounded, blunt or even sharp tip neither of which creates any major disturbances in the flowing fluid which it intercepts.

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patent: 5293353 (1994-03-01), Mestas et al.
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