Method and apparatus for ultrasonic inspection of curved nacelle components
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 13, 1994
Grant Date -
N/A
app pub date -
Aug 19, 1992
filing date -
Aug 19, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Ultrasonic inspection of composite products such as curved components of airplane engine nacelles utilizes guide wheels and rollers to support and control the nacelle component or panel and permit rotation of the nacelle panel about its longitudinal axis. The nacelle panel is passed through an inspection zone which contains an ultrasonic inspection assembly comprising ultrasonic transmitting transducers and ultrasonic receiving transducers mounted on opposite sides of the nacelle panel. The ultrasonic inspection assembly is mounted to be moved along a frame by a drive assembly whereby the ultrasonic inspection assembly is translated across the width of the nacelle panel. The nacelle panel is rotated about its axis in small incremental rotational steps by a cable driven by a motor drive assembly. After each incremental rotational movement of the nacelle panel, the ultrasonic inspection assembly is translated across the width of the nacelle panel to inspect the portion aligned with the frame. The entire nacelle is thus inspected as it is rotated through the ultrasonic inspection assembly.
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