Method of determining the boiling point of a liquid

Details Method of determining the boiling point of a liquid Method of determining the boiling point of a liquid

1982-09-09

1984-11-27

Yasich, Daniel M.

Thermal measuring and testing

Transformation point determination

Between gaseous and liquid states

73 613, 374 54, G01N 2508

Patent

active

044848234

ABSTRACT:
In order to determine the boiling point of a liquid, especially a nonaqueous one such as a brake fluid, a device suspended in a body of that liquid--e.g. in a reservoir supplying fluid to a brake cylinder--forms a narrow chamber which is open at the bottom and the top and which contains means for heating the liquid in that chamber and measuring its temperature; the two functions can be simultaneously performed by a thermistor. When the boiling point is reached and the liquid in the chamber is vaporized, partial evaporation of that liquid and replacement thereof by fresh liquid from the main body results in a leveling of the temperature curve; the boiling point marked by this event can be read on a meter and/or qualitatively indicated by differently colored lights, for example. An excessive temperature rise early in the test will also show an unduly low liquid level in the reservoir.

REFERENCES:
patent: 3447358 (1969-06-01), Crespin et al.
patent: 3675465 (1972-07-01), Sommer et al.
patent: 4059982 (1977-11-01), Peuker
patent: 4413170 (1983-11-01), Val et al.

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