System and method for determining fluid level in a container

Details System and method for determining fluid level in a container System and method for determining fluid level in a container

1979-08-16

1981-02-03

Goldberg, Gerald

Measuring and testing

Liquid level or depth gauge

340621, G01F 2328

Patent

active

042480876

ABSTRACT:
Methods and systems employing acoustic techniques are disclosed for determining the level of fluid in a container. Flexural mode acoustic waves are set up in the walls of the container. The change in travel time of flexural mode acoustic waves are measured and calibrated in terms of the level of fluid in the container. Systems for continuously monitoring fluid level or indicating when fluid level reaches a predetermined horizontal level are disclosed.

REFERENCES:
patent: 2990543 (1961-06-01), Rod
patent: 3019650 (1962-02-01), Worswick
patent: 3220258 (1965-11-01), Rod
patent: 3603149 (1971-09-01), McKown
patent: 4118983 (1978-10-01), Brazhnikov

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