Measuring and testing – Volume or rate of flow – By measuring thrust or drag forces
Patent
1994-11-17
1996-01-16
Chilcot, Richard
Measuring and testing
Volume or rate of flow
By measuring thrust or drag forces
7386176, G01L 100
Patent
active
054838401
ABSTRACT:
A system for measuring a flow parameter of a fluid, comprising a conduit defining a flow passage for said fluid, said flow passage having a central axis means located in said flow passage for measuring a differential between a first resultant drag exerted by said fluid at a first distance from said central axis and a second resultant drag exerted by said fluid at a second distance from said central axis different from said first distance and means for determining said flow parameter from said differential, whereby said flow parameter is accurately measured regardless of viscosity changes in said fluid.
REFERENCES:
patent: 4777830 (1988-10-01), Lew
patent: 5123285 (1992-06-01), Lew
patent: 5307686 (1994-05-01), Noren
Campo Mauricio
Chang Oscar
Chang Victor
Artis Jewel V.
Chilcot Richard
Intevep S.A.
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