Ultrasonic fuel quantity gauging system

Details Ultrasonic fuel quantity gauging system Ultrasonic fuel quantity gauging system

1987-01-09

1989-03-28

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

73 32A, 73292, 364509, 374142, G01F 2328, G01N 900, G01N 2500

Patent

active

048153230

ABSTRACT:
A method of measuring aircraft fuel quantity and density in a fuel container using an ultrasonic transducer; a stillwell liquid fuel; a computer control, an indicator and an altitude sensor. The computer control includes a central processing unit connected to each of the ultrasonic transducers. The altitude sensor is connected to the central processing unit. The indicator means is connected to the central processing unit. The stillwell is supported by the container. Each ultrasonic transducer is supported within the stillwell by the container. The liquid fuel is supported within the container. An ultrasonic signal is transmitted from the transducer within the stillwell. The reflected ulrasonic signal is received by the transducer within the stillwell. The round-trip time period from sending to reciving the signal is measured. The quantity of fuel in the container is determined from the round-trip time period and stored data on the container volume in the central processing unit.

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patent: 4531406 (1985-07-01), Fritz
patent: 4580448 (1986-04-01), Skrgatic
patent: 4700569 (1987-10-01), Michalski et al.

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