Inspection system for heat exchanger tubes

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

1979-05-02

1980-11-25

Little, Willis

Geometrical instruments

Area integrators

Electrical

33DIG13, G01B 712, G01B 734

Patent

active

042350204

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 for generating a unique signal as the scanner passes a contiguous support plate to assist in the accurate location of tube abnormalities.

REFERENCES:
patent: 2870541 (1959-01-01), Mayes
patent: 2933819 (1960-04-01), Kinley
patent: 3024651 (1962-03-01), McGlasson

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