Mass flow measurement

Details Mass flow measurement Mass flow measurement

1998-01-09

2000-10-31

Fuller, Benjamin R.

Measuring and testing

Volume or rate of flow

By measuring thrust or drag forces

G01F 130

Patent

active

061385182

ABSTRACT:
In the field of mass flow measuring apparatuses, there is a need for greater accuracy of known devices. The invention concerns an impeller for projecting bulk material that otherwise might fail to contact a mass flow measuring apparatus during normal use. The impeller includes a surface inclined relative to a locus of its travel, whereby centrifugal forces cause granular material engaged by the surface to rise to a peripheral zone for projection towards a sensor member.
The invention also relates to a radar doppler speed measuring apparatus for use in mass flow senors; to methods and apparatuses for compensating for longitudinal inclination of mass flow sensor members; and to methods and apparatuses for calibrating such devices.

REFERENCES:
patent: 4081074 (1978-03-01), Stone
patent: 5191802 (1993-03-01), Fassbinder
patent: 5736652 (1998-04-01), Strubbe
patent: 5959218 (1999-09-01), Strubbe

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