Thermal gauge probe

Details Thermal gauge probe Thermal gauge probe

1975-09-09

1977-04-12

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Thermal type

73295, G01F 168

Patent

active

040167585

ABSTRACT:
A thermal type flowmeter comprising an elongated relatively small tubular probe, adapted to be inserted through a wall of a fluid containing vessel, contains an electrical resistance heater for heating the probe to a predetermined temperature. The electromotive force of a thermocouple, contained by the probe, indicates a voltage inversely related to the rate of heat dissipation from the probe to the surrounding fluid. With the temperature of the fluid being known or compensated for the rate of heat dissipation from the probe indicates the fluid flow rate.

REFERENCES:
patent: 2728225 (1955-12-01), Skibitzke
patent: 3246515 (1966-04-01), Martino et al.
patent: 3595079 (1971-07-01), Grahm
patent: 3630080 (1971-12-01), Taylor
patent: 3691833 (1972-09-01), Fijitake et al.
patent: 3742476 (1973-06-01), Withrow
patent: 3800592 (1974-04-01), Jones, Jr.

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