Mass flowmeter apparatus

Details Mass flowmeter apparatus Mass flowmeter apparatus

1989-01-11

1990-10-16

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

Tank type

73 3, G01F 338, G01F 2500

Patent

active

049626663

ABSTRACT:
This invention relates to a method and apparatus for a liquid mass non-venting flowmeter. The flowmeter apparatus gives correct flow regardless of changes in density, viscosity, or composition of the liquid and corrects flow in spite of errors common in currently used flowmeters, such as calibration shifts, restricted orifices and/or bearing drag and blade wear of turbine meters. The non-venting characteristic allows use with toxic and corrosive materials.

REFERENCES:
patent: 2991645 (1961-07-01), Lauderdale
patent: 3001397 (1961-09-01), Leonard
patent: 3376883 (1968-04-01), Douty et al.
patent: 3418081 (1968-12-01), Graver et al.
patent: 3474815 (1969-10-01), Beahm et al.
patent: 3503411 (1970-03-01), Bauer et al.
patent: 4262686 (1981-04-01), Heim et al.
patent: 4397189 (1983-08-01), Johnson et al.
patent: 4535482 (1985-10-01), Tomlinson et al.
patent: 4718443 (1988-01-01), Adney et al.

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