G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 29/04 (2006.01) G01N 29/22 (2006.01) G21C 17/01 (2006.01)
Patent
CA 2078524
NUCLEAR REACTOR VESSEL INSPECTION SYSTEM AND\ METHOD WITH REMOTE TRANSDUCER POSITIONING ABSTRACT OF THE DISCLOSURE The inspection head component of a manipulator employed in the inspection of the interior surface of a nuclear reactor vessel is aligned to an optimum orientation when positioned at a local surface to be inspected. This alignment is carried out by generating ranging information with respect to the local surface using ranging ultrasonic transducers positioned upon the inspection head. The propagation interval of the acoustic signal emitted by these ranging transducers is timed and quantified to develop orientation error signals. Such development is carried out in conjunction with known values for the local surface being inspected and in conjunction with a sequence of data collection at the position. The inspection head is pivotally mounted upon the manipulator so as to be movable about at least two axes by inspection head positioning assemblies which may be provided, for example, as stepper-motors and associated translational movement components
Dykes Edward R.
Dykes Edward Ray
Terhune James H.
Terhune James Howard
Company General Electric
Craig Wilson And Company
Dykes Edward R.
Terhune James H.
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