Measuring and testing – Gas content of a liquid or a solid – By vibration
Patent
1977-10-06
1980-03-11
Yasich, Daniel M.
Measuring and testing
Gas content of a liquid or a solid
By vibration
73308, 340646, 361 37, H02H 704
Patent
active
041921747
ABSTRACT:
A housing, a first elongated generally cylindrical member fixed to the housing and having an open end which is adapted to be in open communication with the interior of the sealed transformer casing; this first member also has at least a portion of its length composed of transparent material for viewing the interior. Means, such as a float, are contained in the first cylindrical member for providing a visual indication of the gas emission levels. Additional means are coupled to and communicate with the first cylindrical member for measuring gas emission levels in the transformer and for measuring variations in the internal pressure of the transformer casing. A second generally cylindrical member is fixed to the housing and has one end adapted to extend into the sealed transformer casing. This second member includes means, such as temperature sensors, for detecting changes in the temperature of the dielectric in the transformer casing. Finally, means, such as thermostats and a thermometer, are fixed to the housing and coupled with the temperature sensing means for measuring the temperature changes and for providing a visual indication of the temperature changes.
REFERENCES:
patent: 3002128 (1961-09-01), Eissmann
patent: 3114478 (1963-12-01), Hilkemeier et al.
patent: 3144770 (1964-08-01), Sheely
patent: 3449633 (1969-06-01), Fischer et al.
patent: 3680359 (1972-08-01), Lynch
patent: 3844160 (1974-10-01), Yamaoka
patent: 3857068 (1974-12-01), Braunstein
patent: 4001644 (1977-01-01), Lingefelter et al.
Croitoriu Jean-Claude
Lobermann Claude
Automation 2000 S.A.
Yasich Daniel M.
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