Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Viscosity
Patent
1975-03-03
1976-08-31
Goldstein, Herbert
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Viscosity
G01N 1100
Patent
active
039772357
ABSTRACT:
An on-line monitoring device comprises a constant volume flow rate pump connected in series with a heater and a hydraulic resistance. A differential pressure transmitter is connected across the resistance and connected to a controller. The controller adjusts the power supply to the heater so that, in use, a pre-determined differential pressure across the resistance is maintained. At least one temperature is associated with the hydraulic resistance.
REFERENCES:
patent: 2597138 (1952-05-01), Trigg
patent: 3025232 (1962-03-01), Jones, Jr.
Goldstein Herbert
Roskos Joseph W.
The British Petroleum Company Limited
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