Method and apparatus for the indirect identification of mass flo

Details Method and apparatus for the indirect identification of mass flo Method and apparatus for the indirect identification of mass flo

1991-07-10

1993-09-14

Noland, Tom

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

73195, 364510, G01F 2500

Patent

active

052438473

ABSTRACT:
For the indirect identification of the mass flow of a specimen fluid stre the specimen fluid stream is mixed with a dilution fluid stream to form an total fluid stream that is to be investigated in view of specific constituents of the specimen fluid stream. The mass flow of a specimen fluid stream is identified from the difference between the measured mass flows of the dilution fluid stream and the total fluid stream. In order to reduce the possibilities of error in the setting of a defined dilution ration, the mass flows of the dilution fluid stream and the total fluid stream are calibrated relative to one another, to which end one of the calibration measurements is not undertaken at the respective fluid stream but is separately undertaken at the specimen fluid stream.

REFERENCES:
patent: 3895529 (1975-07-01), Moore
patent: 4341107 (1982-07-01), Blair et al.
patent: 4671097 (1987-06-01), Kurki et al.
patent: 4823591 (1989-04-01), Lewis
patent: 5038608 (1991-08-01), Sakai et al.

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