Flow meter arrangement

Details Flow meter arrangement Flow meter arrangement

2006-01-10

2006-01-10

Noori, Max (Department: 2855)

Measuring and testing

Volume or rate of flow

Using differential pressure

Reexamination Certificate

active

06983663

ABSTRACT:
A flow meter arrangement has a venturi-type flow meter having a tubular flow channel for conveying a gas flow to be measured and in which there is provided a constriction. The arrangement further has a hot wire flow meter having a sensing element located within the flow channel and a measurement system that receives an output from the venturi-type flow meter and an output from the hot wire flow meter, and that determines a gas flow rate therefrom.

REFERENCES:
patent: 3735752 (1973-05-01), Rodder
patent: 4142407 (1979-03-01), Kuroiwa et al.
patent: 4404859 (1983-09-01), Ohsawa et al.
patent: 4449401 (1984-05-01), Kaiser et al.
patent: 2002/0100474 (2002-08-01), Kellner et al.

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