Fluid testing apparatus and method

Details Fluid testing apparatus and method Fluid testing apparatus and method

1988-04-08

1989-05-16

Levy, Stewart J.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Viscosity

366273, G01N 1114

Patent

active

048298115

ABSTRACT:
A fluid testing apparatus comprises a container for holding a fluid to be tested and a member disposed within the container so that the member is rotatable within a fluid to be tested within the container. The container has a wall defining a cavity into which the member extends. A magnetically responsive rotor is mounted on this end of the member. Immediately adjacent the outside surface of this wall, a plurality of stator poles are secured so that a field generated in the stator poles directly interacts with the rotor across the wall to rotate the member. The rotor and stator poles are preferably of a stepper motor.

REFERENCES:
patent: 2603087 (1952-07-01), Von Hortenau
patent: 3875791 (1975-04-01), Fitzgerald et al.
patent: 4299118 (1981-11-01), Gau et al.
patent: 4484468 (1984-11-01), Gau et al.
patent: 4612800 (1986-09-01), Erian
patent: 4622846 (1986-11-01), Moon, Jr. et al.
SPE 9285, "Transition Time of Cement Slurries Between the Fluid and Set State" Fred L. Sabins, John M. Tinsley and David L. Sutton, 1980.

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