Pipeline inspection vehicle for detecting defects in pipeline wa

Details Pipeline inspection vehicle for detecting defects in pipeline wa Pipeline inspection vehicle for detecting defects in pipeline wa

1977-04-05

1978-08-08

Corcoran, Robert J.

Electricity: measuring and testing

Magnetic

Magnetic sensor within material

324242, 350358, 73638, G01R 3312

Patent

active

041059727

ABSTRACT:
A pipeline inspection vehicle for detecting defects in the pipeline wall provided with a detector support system comprising a freely supported ring encircling the body of the vehicle and on which are mounted a plurality of spring-loaded pivotally connected link plates, the outermost plates of which carry flux-sensing devices and are urged by spring means resiliently to engage the inner surface of the pipeline wall.

REFERENCES:
patent: 2435985 (1948-02-01), Stewart et al.
patent: 3066254 (1962-11-01), Price et al.
patent: 3281660 (1966-10-01), Studenick
patent: 3529236 (1970-09-01), Proctor
patent: 3593122 (1971-07-01), Barton
patent: 3786684 (1974-01-01), Wiers et al.

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