MASS FLUID FLOW SENSOR, AND FLUID FLOW DETECTOR

PROBLEM TO BE SOLVED: To directly detect a fluid in a conduit, to accurately measure a fluid flow rate in quick sensitivity, and to prevent detection ability of a sensor from lowering by latent heat of an electric insulator that is a support. SOLUTION: Each of this mass fluid flow sensor and mass fl...

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Bibliographic Details
Main Authors LEE JONG-SHIN, PARK TAE-WON, KIM KWANG-JIN, CHO SEONG-YOOL
Format Patent
LanguageEnglish
Published 23.04.2003
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
MEASURING
MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
RESISTORS
TESTING
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Summary:PROBLEM TO BE SOLVED: To directly detect a fluid in a conduit, to accurately measure a fluid flow rate in quick sensitivity, and to prevent detection ability of a sensor from lowering by latent heat of an electric insulator that is a support. SOLUTION: Each of this mass fluid flow sensor and mass fluid flow detector of the present invention is formed into structure processed with electrodes 5 5' onto a hybrid ceramic of composite structure having an interface 4 partitioning a positive temperature coefficient thermistor 2 and a supporting table 3 of an insulator, and mounted with an insulation coating and heat- conductive metal, or housed therewith, and an outside of the thermistor 2 is insulated by the supporting table 3 of the insulator to arrange, inside the conduit, the resistor thermistor 2 having the high positive temperature coefficient and of which the heating temperature is self-restrictive.
Bibliography:Application Number: JP20010297789