Abstract: An eddy current probe for nondestructive testing, having a rotatable shoe that holds the eddy current coil. The probe is attached to an arm of automated eddy current test equipment, and has a coil-containing shoe that may be rotated to a desired angle with respect to the surface to be inspected. The probe has a motor and pulley system for providing this rotational motion.

Abstract: An ultrasonic squirter couples transducer emitted ultrasonic waves with a structure for ultrasonic testing. The squirter has a tubular body with an outlet on one end and an inlet spaced from the outlet for delivering a flow of liquid through the body to the outlet. The transducer mounts in the body in a position for transmitting and receiving ultrasonic waves through the liquid that passes through the outlet. A nozzle secures to the outlet for discharging the flow of liquid against the structure. A ring locates at the outlet of the body just downstream from the transducer. The ring and nozzle are of an elastomeric material containing metal oxide particles to absorb unwanted sound energy.

Abstract: An apparatus for emitting and receiving sound signals includes a cylinder into which a sound transducer is mounted. The transducer is mounted to transmit a sound beam normal to the axis of the cylinder. The cylinder is connected to a position detection circuit for determining the angular position of the cylinder about its axis. A system for processing data produced by such a sound transducer apparatus includes circuitry for determining the true position of the cylinder from the position circuit, for alternately causing the transducer to emit and receive sound energy, and for sampling the energy signal received by the transducer when the position detection circuit indicates that the cylinder is at one of several preselected angles. The sampled information is recorded on paper or magnetic media.