Measuring and testing – Liquid level or depth gauge – Float
Patent
1983-07-06
1986-01-07
Yasich, Daniel M.
Measuring and testing
Liquid level or depth gauge
Float
73313, 338 33, G01F 2310
Patent
active
045627347
ABSTRACT:
There are provided at least two liquid level detectors in a liquid tank, such as an automobile fuel tank. The detectors are connected so as to obtain the sum of the output signals of the detectors. The positions of the detectors in the tank are determined on the basis of a predetermined reference point. If the reference point lies on a liquid surface formed by a certain amount of a liquid contained in the tank when the tank is horizontal, then the liquid level at the reference point is constant when the tank is inclined so that a horizontal axis of the tank slopes down in one direction at a predetermined angle with the horizontal and when the tank is inclined so that the horizontal axis slopes down in the opposite direction at the same angle with the horizontal. One of the detectors is disposed in a first vertical plane, and the other in a second vertical plane. The first and second vertical planes are perpendicular to the above-mentioned axis of the tank, and symmetrical with respect to the above-mentioned reference point.
REFERENCES:
patent: 2104898 (1938-01-01), DeGiers
patent: 2516452 (1950-07-01), DeGiers et al.
patent: 3842512 (1974-10-01), Stoltz et al.
patent: 4096638 (1978-06-01), Schimming
patent: 4178802 (1979-12-01), Yamamoto
patent: 4184370 (1980-01-01), Schlick et al.
patent: 4194396 (1980-03-01), Oshawa et al.
patent: 4487066 (1984-12-01), Pardi et al.
Nissan Motor Co,. Ltd.
Yasich Daniel M.
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