Temperature compensation for a thermal mass flow meter

Details Temperature compensation for a thermal mass flow meter Temperature compensation for a thermal mass flow meter

1988-01-15

1989-07-11

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Thermal type

7320419, G01F 168

Patent

active

048459844

ABSTRACT:
For temperature compensation in a thermal mass flow meter with heated and unheated electric resistors which are interlocked to a bridge, a variable temperature-independent electric resistor is connected in parallel to the bridge. The sum of the current through the bridge and of the current through the resistor connected in parallel to the bridge functions as measuring signal.

REFERENCES:
patent: 4245502 (1981-01-01), Eiermann et al.
patent: 4343183 (1982-08-01), Plapp
patent: 4417471 (1983-11-01), Kawai et al.
patent: 4474058 (1984-10-01), Drews et al.
patent: 4688424 (1987-08-01), Handtmann

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