Thermal measuring and testing – Transformation point determination – By change in pressure of flow rate
Patent
1984-03-13
1984-11-27
Birmiel, Howard A.
Thermal measuring and testing
Transformation point determination
By change in pressure of flow rate
73 641, G01N 2512, G01N 1100, G01K 1300
Patent
active
044848218
ABSTRACT:
A method of sensing the no-flow temperature of a liquid comprising the steps of varying the temperature of the liquid, sensing the temperature of the liquid, supplying pressure pulses to the liquid and sensing the resistance of the liquid to the flow of the pressure pulses as an indication of the ability of the liquid to flow.
REFERENCES:
patent: 3122911 (1964-03-01), Conklin
patent: 3122912 (1964-03-01), O'Neill et al.
patent: 3213668 (1965-10-01), Thompson
patent: 3977235 (1976-08-01), Topham
patent: 4023397 (1977-05-01), Ouvrard
patent: 4292837 (1981-10-01), Oakmon
Birmiel Howard A.
Noland Tom
Shell Oil Company
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