Apparatus for detecting the level of liquid in a tank

Details Apparatus for detecting the level of liquid in a tank Apparatus for detecting the level of liquid in a tank

1978-08-10

1980-04-29

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

Hydrostatic pressure type

73308, G01F 2314

Patent

active

041999835

ABSTRACT:
In an apparatus for detecting the level of fuel oil in a tank of a vessel to control the quantity of fuel oil in the tank, a sensing pipe having a sensing hole in its lower portion is inserted into the tank and gas is continuously supplied into the sensing pipe. Hence, the pressure in the sensing pipe is continuously increased as the level of fuel oil is raised above the level of the sensing hole. When this pressure reaches a desired value, a fluid pressure response device connected to the sensing pipe is operated by the pressure to operate an alarm device, thereby to detect the level of fuel oil above the sensing hole. The pressure in the sensing pipe required to operate the alarm device can be set to a desired value.

REFERENCES:
patent: 1840748 (1932-01-01), Star
patent: 1860209 (1932-05-01), Slough
patent: 1950595 (1934-03-01), Clason
patent: 3181556 (1965-05-01), Baker
patent: 3190119 (1965-06-01), Isobe et al.
patent: 3969942 (1976-07-01), Hope et al.
patent: 3987675 (1976-10-01), Harrison

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