Apparatus for mounting a plurality of ultrasonic probes for move

Details Apparatus for mounting a plurality of ultrasonic probes for move Apparatus for mounting a plurality of ultrasonic probes for move

1993-07-15

1996-11-05

Williams, Hezron E.

Measuring and testing

Vibration

By mechanical waves

73639, 376249, G01N 2904

Patent

active

055719686

ABSTRACT:
An apparatus for detecting defects comprises a pair of ultrasonic probes which are gimballed onto a pair of elongate members. A pair of yokes are gimballed onto the elongate members. Springs cause an interaction between the yokes and the ultrasonic probes such that the ultrasonic beams travel in a plane parallel to the longitudinal direction of the elongate members. The elongate members are slidably mounted on a carriage and the elongate members are arranged apart at a predetermined angle. The carriage is mounted to travel on an arcuate member to scan the corner of joint between a pressure vessel and a nozzle in a direction radially with respect to the axis of the nozzle. The arcuate member is rotatably mounted to a support member to scan the corner or the joint circumferentially with respect to the axis of the nozzle.

REFERENCES:
patent: 3888362 (1975-06-01), Fletcher
patent: 4474064 (1984-10-01), Naruse
patent: 4612808 (1986-09-01), McKirdy
patent: 4672852 (1987-06-01), Gugel et al.

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