Ultrasonic apparatus

Details Ultrasonic apparatus Ultrasonic apparatus

1979-08-08

1981-03-24

Gill, James J.

Measuring and testing

Vibration

By mechanical waves

G01N 2900

Patent

active

042572720

ABSTRACT:
There have been proposed ultrasonic scanners in which a transducer is laterally scanned relative to a body known arrangements with lead screws for example can give rise to much vibration and have a high power requirement. It is proposed to scan with a linear motor drive. The scanning part including the transducer is put in an oil bath and the oil flow is balanced to act as a counterweight. The scanning part should, therefore, have neutral buoyancy, with the centers of gravity and buoyancy substantially coincident.

REFERENCES:
patent: 3023611 (1962-03-01), Howry
patent: 3845463 (1974-10-01), Timbs
patent: 4092867 (1978-06-01), Matzuk

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