Liquid level detector adapted in particular to determine the lev

Details Liquid level detector adapted in particular to determine the lev Liquid level detector adapted in particular to determine the lev

1981-06-15

1984-06-19

Frankfort, Charles

Measuring and testing

Liquid level or depth gauge

Float

73305, 73306, G01F 2306

Patent

active

044547617

ABSTRACT:
In a liquid level detector of the type comprising a fixing rod bearing a winding over virtually the whole of its height, an annular float mounted around the rod and bearing at least one conducting blade constantly in contact with the winding, a warning device comprising a conducting rod sliding in a bore made in the float, the bore having its axis substantially parallel to the axis of the fixed rod, the conducting rod comprising a retaining device, and a conducting surface fixed to the lower end of the fixed rod, the arrangement being such that the conducting rod projects downwardly from the float when the level is higher than a determined warning level and comes into contact with the conducting surface when this level is reached, and electrical connections connecting the winding, the conducting surface, the or each conducting blade and the conducting rod to output terminals, the conducting rod extends at its top end in a supple loop made of conducting wire located in a plane substantially perpendicular to the axis of the float and of which the end opposite the conducting rod is fixed on a conducting piece itself fixed on the float and connected to the or each conducting blade in contact with the winding.

REFERENCES:
patent: 1395132 (1921-10-01), McKissick
patent: 2899517 (1959-08-01), Hastings

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