Fluid volume sensor

Details Fluid volume sensor Fluid volume sensor

1991-10-31

1994-04-19

Cuchlinski, Jr., William A.

Measuring and testing

Liquid level or depth gauge

73149, 367908, G01F 2328

Patent

active

053035852

ABSTRACT:
A volume sensing system includes electronic circuitry which is electrically connected to an ultrasonic transducer. The transducer is affixed by means of an adaptor to the base of a container having a known configuration. The container holds a liquid and a gas so that a liquid-gas boundary is formed within the container. The transducer generates ultrasonic pulses which propagate through the liquid, are reflected at the liquid-gas boundary, and are received again by the transducer. The received return pulse is converted into an electrical signal which is analyzed by the electronic circuitry to determine the level of the liquid within the container. The level of the liquid within the container is then employed to determine the volume of the liquid within the container in accordance with the configuration of the container. In a preferred embodiment, the adaptor includes an indicator which may be used to identify the configuration of the container.

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