Fast response, high sensitivity manometric wind sensor

Details Fast response, high sensitivity manometric wind sensor Fast response, high sensitivity manometric wind sensor

1990-04-04

1991-04-30

Orsino, Joseph A.

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

73182, 7386104, 73702, 7386167, 7386165, G01F 120, G01F 146, G01C 2100, G01L 1100

Patent

active

050107712

ABSTRACT:
A gas flow alternator cyclically connects a microphone to a dynamic flow ssure and then a reference static flow pressure. The microphone converts the pressures to a resultant alternating differential signal providing a first input to a phase-locked amplifier. A second amplifier input is derived from an optical pickup mounted within the housing. A readout connected in the circuit with the amplifier indicates the dynamic flow pressure.

REFERENCES:
patent: 4489592 (1984-12-01), Pacanowski et al.
patent: 4506553 (1985-03-01), Bruce et al.

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