Thermal flux mass flowmeter

Details Thermal flux mass flowmeter Thermal flux mass flowmeter

1988-06-27

1989-10-31

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Thermal type

7320426, G01F 168

Patent

active

048768871

ABSTRACT:
A mass flowmeter for measuring velocity of a flowing fluid employs a thermal sensor. The sensor generates heat when supplied with electrical power. A heat sink is located in the fluid flow directly across from the sensor perpendicular to the flowing fluid. Electrical power is supplied to the sensor to cause a thermal flux to flow from the sensor to the heat sink. The flowing fluid modulates this flux. A circuit measures the temperature of the sensor and computes the velocity of the flowing fluid from that measurement.

REFERENCES:
patent: 4517838 (1985-05-01), Wachi et al.
patent: 4691566 (1987-09-01), Aine
patent: 4735086 (1988-04-01), Follmer

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