Measuring and testing – Volume or rate of flow – By measuring thrust or drag forces
Patent
1998-05-07
1999-10-26
Dombroske, George
Measuring and testing
Volume or rate of flow
By measuring thrust or drag forces
7386171, 7386174, G01F 130, G01F 128
Patent
active
059708026
ABSTRACT:
In the field of mass flow measuring apparatuses, it is known to provide a sensor member for the establishment thereon of streamline flow of bulk material, in which the sensor member design is optimised in order to minimise the effects of changes in the coefficient of friction between the bulk material and the sensor member.
The invention relates to improvements in the construction of the measuring apparatus, whereby two mechanical quantities (such as a pair of forces; or a pair of moments) may be measured to provide additional data on the flow process. In particular, it is possible to determine an exit velocity value v.sub.e that is indicative of the momentum of bulk material in the sensor member.
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Clark Robin
Dombroske George
Miller Larry W.
New Holland North America Inc.
Seemar Frank A.
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