초록 ▼

Ultrasonic apparatus determines the fluid depth, volume, and temperature in a storage tank. A system description for monitoring an underground storage tank containing gasoline is described. The system determines the water's and gasoline's depth, volume, and temperature. The apparatus consists of a r

Ultrasonic apparatus determines the fluid depth, volume, and temperature in a storage tank. A system description for monitoring an underground storage tank containing gasoline is described. The system determines the water's and gasoline's depth, volume, and temperature. The apparatus consists of a remote console, ultrasonic probe, and interconnecting cable. The remote console contains a display to report tank information and a computer to operate the probe. The probe consists of an ultrasonic transducer above the bottom of the probe facing upwards to transmit and receive ultrasonic signals, vertically spaced reflectors and a temperature sensor to measure fluid temperature.

대표청구항 ▼

[ What is claimed is:] [1.] A system for determining the amount of liquid in a tank, comprising:an ultrasonic probe device extending in said tank, said ultrasonic probe including a plurality of reflectors spaced apart thereon and an ultrasonic transducer;a controller coupled to said transducer and o

[ What is claimed is:] [1.] A system for determining the amount of liquid in a tank, comprising:an ultrasonic probe device extending in said tank, said ultrasonic probe including a plurality of reflectors spaced apart thereon and an ultrasonic transducer;a controller coupled to said transducer and operable to cause said transducer to periodically transmit ultrasonic signals in said liquid and operable to receive signals produced by said transducer in response to echo signals received from the surface of said liquid and certain ones of said reflectors;said controller being operable in a first mode wherein said controller computes the volume of liquid in said tank from the echo times of reflections received from two of said reflectors and from the surface of said liquid, said controller being further operable in said first mode to calculate an average sonic velocity; andsaid controller being operable in a second mode to compute the volume of said liquid in said tank from the echo time of reflections received from said surface and from said average sonic velocity.