Noninvasive ultrasonic liquid level indicator

Details Noninvasive ultrasonic liquid level indicator Noninvasive ultrasonic liquid level indicator

1993-11-01

1995-08-08

Cuchlinski, Jr., William A.

Measuring and testing

Liquid level or depth gauge

342124, 367908, G01F 2328

Patent

active

054388686

ABSTRACT:
A noninvasive ultrasonic liquid level indicator for indicating the level of a liquid in a reservoir is disclosed which comprises an ultrasonic transducer assembly, structures for holding the transducer assembly in a dry coupled attachment with the reservoir at selectable locations against an exterior surface of the reservoir, and a monitor for revealing a change in liquid height. The transducer assembly conveys signals regarding changes in liquid height to a monitor which warns the user in time to add more liquid or replace the reservoir before the liquid supply "runs dry." The manners for holding the assembly in place include, but are not limited to, a strap, a clamp, or adhesive material, such as tape. These allow the user to selectively place the transducer assembly along the reservoir at the desired triggering point.

REFERENCES:
patent: 3987674 (1976-10-01), Baumoel
patent: 4144517 (1979-03-01), Baumoel
patent: 4183007 (1980-01-01), Baird
patent: 4280126 (1981-07-01), White
patent: 4580448 (1986-04-01), Skrgatic
patent: 5121628 (1992-06-01), Merkl et al.
patent: 5295120 (1994-03-01), McShane
patent: 5303585 (1994-04-01), Lichte

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