Ultrasonic fluid velocity measuring system

Details Ultrasonic fluid velocity measuring system Ultrasonic fluid velocity measuring system

1992-03-30

1994-12-06

Black, Thomas G.

Boots, shoes, and leggings

7386125, G01F 166

Patent

active

053716868

ABSTRACT:
To determine the average velocity of a fluid stream, an ultrasonic signal is transmitted into the fluid and reflected ultrasonic signal received. The signals are mixed with a frequency of the transmitted ultrasonic signals. A Fourier transform is performed on the signals, the largest coefficient used to normalize the signal and certain of the weighted signals are averaged.

REFERENCES:
patent: 4713971 (1987-12-01), Johannes
patent: 4790323 (1988-12-01), Leavitt et al.
patent: 5020374 (1991-06-01), Petroff et al.
patent: 5226328 (1993-07-01), Petroff et al.

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