Liquid level sensor

Details Liquid level sensor Liquid level sensor

1991-12-23

1993-02-09

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

73 1H, G01F 2328, G01C 2500

Patent

active

051845105

ABSTRACT:
An apparatus and method for measuring the level of a liquid within a storage tank, including a target for being buoyantly supported near the surface of the liquid and an acoustic sensor for measuring the distance between a tank reference point and the target. The motion of the target induced by any change in level of the liquid is restrained along a known path so that the target distance is representative of the level of the liquid within the tank.

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patent: 4840137 (1989-06-01), Beauvais et al.
patent: 5083383 (1992-01-01), Heger

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