Measuring and testing – Liquid level or depth gauge – Thermal type
Patent
1983-11-22
1986-04-22
Frankfort, Charles
Measuring and testing
Liquid level or depth gauge
Thermal type
340622, G01F 2322
Patent
active
045834016
ABSTRACT:
At the point or points in a vessel (1) at which the liquid or agitated charge level is to be monitored, a heat stream is fed into or out of the interior of the vessel (1) via a heat-conducting element (2) which is in thermal contact with the interior of the vessel (1) on the one hand and with a heat source or cold source (4) on the other hand. In order to indicate the level, the change in the heat stream when the liquid or agitated charge comes into contact with the elements (2) is determined by measuring the temperature of the element in the region of contact by means of a temperature sensor (5).
REFERENCES:
patent: 2279043 (1942-05-01), Harrington
patent: 2931224 (1960-04-01), Anderson
patent: 3279252 (1966-10-01), Barlow
patent: 3955416 (1976-05-01), Waiwood
patent: 4307606 (1981-12-01), Johnson
patent: 4319233 (1982-03-01), Matsuoka et al.
patent: 4461175 (1984-07-01), Baumgart et al.
Ruhenbeck Wolfgang
Schlindwein Heinz
BASF - Aktiengesellschaft
Frankfort Charles
Will Thomas B.
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