Inspection system for heat exchanger tubes

Details Inspection system for heat exchanger tubes Inspection system for heat exchanger tubes

1980-08-08

1982-07-27

Myracle, Jerry W.

Measuring and testing

Surface and cutting edge testing

Roughness

33302, G01B 528

Patent

active

043411134

ABSTRACT:
A system for inspecting the relatively long, thin-walled, small-bore tubes of a heat exchanger provided with support plates for holding the tubes in predetermined positions, comprising a composite scanner having a plurality of flexure springs contacting the interior surface of a tube for detecting and profiling tube abnormalities as the scanner traverses the tube and an eddy current sensor incorporated in the scanner for generating a unique signal as the scanner passes a contiguous support plate to assist in the accurate location of tube abnormalities.

REFERENCES:
patent: 3768307 (1973-10-01), Rode
patent: 4251921 (1981-02-01), Fink

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