Scanner head assembly and couplant system therefore

Details Scanner head assembly and couplant system therefore Scanner head assembly and couplant system therefore

1994-10-04

1996-04-09

Williams, Hezron E.

Measuring and testing

Vibration

By mechanical waves

73639, G01N 2904

Patent

active

055050891

ABSTRACT:
A scanner head for ultrasonic imaging of structures generates a display through an ultrasonic transceiver. The scanner head includes a transducer adapted to engage the surface of the structure. Rollers are positioned fore and aft the transducer, and one roller drives a position increment signal generator which drives the transceiver and display circuitry. A couplant delivery system includes nozzles bracketing the transducer in the direction of movement of the scanner head. The flow is controlled by a single valve on top of the head. In this manner, couplant in the desired amount is delivered correctly and concurrently as scanning proceeds.

REFERENCES:
patent: 3616684 (1971-11-01), Nusbickel, Jr.
patent: 3958451 (1976-05-01), Richardson
patent: 4149419 (1979-04-01), Connell, Jr.
patent: 4625557 (1986-12-01), Rutherford

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