Method and device for measuring flows of fluids, based on temper

Details Method and device for measuring flows of fluids, based on temper Method and device for measuring flows of fluids, based on temper

1996-11-14

1999-10-26

Dombroske, George

Measuring and testing

Volume or rate of flow

Thermal type

G01F 168

Patent

active

059707909

ABSTRACT:
Method and device for measuring flows of fluids, such as liquids and gases, flowing through a tube (16). The tube is heat-conducting and is heated at a certain location (18), with the heat on the one hand moving by way of the tube wall (17) in a direction contrary to the fluid flow (15) and on the other hand flowing off into a heat-conducting body (20) which preferably extends substantially parallel to the tube. The temperature difference between the tube wall (17) and the conducting body (20) is measured, e.g., by a thermopile (19) and is a measure of the flow gone past. The device preferably includes a thermopile (19) for carrying out the measurement.

REFERENCES:
patent: 3181357 (1965-05-01), Benson
patent: 3818758 (1974-06-01), Easter
patent: 3827299 (1974-08-01), Welland
patent: 3942378 (1976-03-01), Olmstead
patent: 4107991 (1978-08-01), Benson
patent: 4972707 (1990-11-01), Nijdam
patent: 5036701 (1991-08-01), Van Der Graaf
patent: 5142907 (1992-09-01), Hinkle
patent: 5237866 (1993-08-01), Nijdam

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