Coriolis mass flow rate meter having means for modifying angular

Details Coriolis mass flow rate meter having means for modifying angular Coriolis mass flow rate meter having means for modifying angular

1995-04-10

1996-11-19

Chilcot, Richard

Measuring and testing

Volume or rate of flow

Mass flow by imparting angular or transverse momentum to the...

73861355, G01F 184

Patent

active

055765009

ABSTRACT:
A flow meter apparatus for measuring attributes of a fluid using the Coriolis principle is disclosed. The apparatus comprises (1) a body capable of being inserted into and surrounded by the fluid, (2) an actuator, disposed within the body, for vibrating a surface of the body in a radial mode of vibration, the vibrating surface developing Coriolis forces within the fluid, (3) a detector, coupled to the surface, for measuring motion of the surface, the motion being a function of Coriolis forces developed in the fluid and (4) a circuit, coupled to the measuring detector, for determining an attribute of the fluid as a function of the motion of the surface. In a preferred embodiment of the invention, a conduit surrounds the apparatus and is coupled to the detector. The apparatus allows precise detection of mass flow rate, pressure, density and viscosity of the fluid surrounding the apparatus.

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Publication entitled "Direkte Massedurchflussmessung, Insbesonderemit Coriolisverfahren" by Von W. Steffen und Dr. W. Stumm; Part II; pp. 301-305; Published in Messen Prufen Automatisieren vol. 23 (1987) May, No. 5, pp. 301-305; Bad Worishofen, W. Germany.

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