Mass flow meter

Details Mass flow meter Mass flow meter

1980-05-14

1982-06-22

Myracle, Jerry W.

Measuring and testing

Volume or rate of flow

Thermal type

G01F 168

Patent

active

043356052

ABSTRACT:
A method and apparatus for applying in rapid sequence excitation voltages of significantly different amplitude to a flow transducer having a resistive temperature sensor in circuit with a reference resistor, analyzing the resetting output signals from the flow transducer and reference resistor under the two states of excitation, and computing a physical characteristic of a material such as its mass flow rate through a conduit from those resulting output signals.

REFERENCES:
patent: 3742476 (1973-06-01), Withrow
patent: 4043196 (1977-08-01), Trageser
patent: 4196622 (1980-04-01), Peter
Brochure, "Thermal Solves the Tough Flow Measurement Problems," , Thermal Instrument Co.
Technical Bulletins No. 672B, No. 628 D, and No. 683A, Thermal Instrument Co.
King, L. V., "On the Convection of Heat from Small Cylinders in a Stream of Fluid: Determination of the Convection Constants of Small Platinum Wires with Application to Hot-Wire Anemometry", Phil. Trans. Roy. Soc. Lond., Series A, vol. 214, Nov. 13, 1914, pp. 373-432.

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