THE DEVELOPMENT OF A PRESSURE TRANSDUCER FOR USAGE IN HIGH PRESSURE AND VIBRATION ENVIRONMENTS

Award Information
Agency:
Department of Defense
Amount:
$228,700.00
Program:
SBIR
Contract:
N/A
Solitcitation Year:
N/A
Solicitation Number:
N/A
Branch:
Air Force
Award Year:
1984
Phase:
Phase II
Agency Tracking Number:
201
Solicitation Topic Code:
N/A
Small Business Information
Flow Industries Inc.
21414 68th Avenue South, Kent, WA, 98032
Hubzone Owned:
N
Woman Owned:
N
Socially and Economically Disadvantaged:
N
Duns:
N/A
Principal Investigator
 () -
Business Contact
 H.T. Liu
Phone: (206) 872-8500
Research Institution
N/A
Abstract
THE OBJECTIVE OF THIS PROPOSAL IS TO DEVELOP A HIGH-ACCURACY, LOW RANGE PRESSURE TRANSDUCER WHICH IS SUITABLE FOR MEASUREMENT IN ENVIRONMENTS WHERE HIGH VIBRATION, HIGH TEMPEATURE AND VARYING LINE PRESSURE CREATE PROBLEMS FOR PRESENTLY AVAILABLE TRANSDUCERS. THE PRIMARY SENSOR IS AN ELASTIC METAL MEMBRANCE WHICH FORMS ONE PLATE OF A CAPCITOR. AN ELECTRONIC CIRCUIT CONVERTS THE MEMBANE DEFLECTIONS INTO VOLTAGE VARIATIONS WHICH ARE SAMPLED BY A MICROPROCESSOR. DUE TO THE SMALL OSCILLATING MAS OF THE MEMBRANE, THE TRANSDUCER HAS A HIGH NATURAL FREQUENCY AND IS LARGELY INSENSITIVE TO EXTERNALLY INDUCED VIBRATIONS. THE CAPACITIVE TRANSDUCER CONCEPT OFFERS AN UNUSUAL AMOUNT OF DESIGN FLEXIBILITY AND CAN WITHSTAND LARGE OVERLOADS.

* information listed above is at the time of submission.

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