Combined mass flow/pitot tube meter

Details Combined mass flow/pitot tube meter Combined mass flow/pitot tube meter

1989-04-10

1990-10-02

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Proportional

73 3, 73195, 73198, 7320418, G01F 168, G01F 500

Patent

active

049599909

ABSTRACT:
A mass flow meter probe having an upstream tube and a downstream tube that extends into a main gas flow conduit is disclosed. The sensor for the mass flow measurement is located in the bore of a housing connecting the tubes and by incorporating the sensor into a valve that can block flow between the tubes, the mass flow meter can be calibrated in the field. The probe can be used as differential pressure device for flow measurments, when the valve is closed. A means for cleaning pressure ports is also disclosed.

REFERENCES:
patent: 1122967 (1914-12-01), Mass
patent: 2060848 (1936-11-01), Boyle
patent: 2591195 (1936-04-01), Picciano
patent: 3314290 (1967-04-01), Peranio
patent: 3352155 (1967-11-01), Penet
patent: 3380298 (1968-04-01), Hanson
patent: 3559482 (1971-02-01), Baker et al.
patent: 3803921 (1974-04-01), Dieterich
patent: 4440021 (1984-04-01), Abouchar et al.
patent: 4487062 (1984-12-01), Olin et al.
patent: 4559835 (1985-12-01), DeBaun
patent: 4562731 (1986-01-01), Nishimura et al.
patent: 4648270 (1987-03-01), Johnson et al.

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