Method of and device for determining the boiling point of a liqu

Details Method of and device for determining the boiling point of a liqu Method of and device for determining the boiling point of a liqu

1982-01-13

1983-10-11

Kazenske, E. R.

Thermal measuring and testing

Transformation point determination

Between gaseous and liquid states

73 613, G01N 2508

Patent

active

044089023

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 downwardly open and upwardly closed 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, a lessening of the heat conduction to the main body of liquid results in a steep rise in temperature; 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: 3084535 (1963-04-01), Markey
patent: 3253454 (1966-05-01), Neil
patent: 3446056 (1969-05-01), Koch
patent: 3564900 (1971-02-01), Andre et al.

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