Trackless scanner

Details Trackless scanner Trackless scanner

1985-07-26

1987-04-07

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

G01N 2904

Patent

active

046550852

ABSTRACT:
A trackless scanner for examination of pipings comprises an annular base removably mountable to a plant pipe to be examined, and a plurality of drive wheels for running supported on the base and being in contact with the plant pipe. Each of the drive wheels is associated with a sensor for detecting an angle which the annular base makes when it turns circumferentially of the pipe, a mechanism responsive to a detection signal from the sensor to control the axial running of the drive wheel for running, and a sensor for detecting a curvature of the pipe.

REFERENCES:
patent: 4531413 (1985-07-01), Tsuchita et al.
"Automated Pipe Scanner for Nuclear Power Plants" from the 1984 National Topical Meeting on Robotics and Remote Handling in Hostile Environments, pp. 181-187.

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