Fluid handling – Self-proportioning or correlating systems – Mixture condition maintaining or sensing
Patent
1986-10-14
1988-04-05
Nilson, Robert G.
Fluid handling
Self-proportioning or correlating systems
Mixture condition maintaining or sensing
73 54, G05D 1113
Patent
active
047352272
ABSTRACT:
A viscosity control (10, 200) is disclosed which employs a turbine flow meter (52). A pump (18) provides for a flow of solution through a conduit at a relatively constant pressure. The flow rate of the solution through the conduit thus varies depending on the viscosity of the solution. The turbine of the flow meter rotates at an angular velocity related to the flow rate. The rotational velocity of the turbine is sensed. When the turbine speed decreases as viscosity increases to a set maximum viscosity, the control supplies solvent to the solution to decrease the viscosity.
REFERENCES:
patent: 2208444 (1940-07-01), Bailey
patent: 2590538 (1952-03-01), Huck
patent: 2630819 (1953-03-01), Norcross
patent: 3557817 (1971-01-01), Royse
patent: 4184364 (1980-01-01), Bae
Holstein John A.
Royse Edwin H.
Nilson Robert G.
Royse Manufacturing Company, Inc.
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