Apparatus for magnetic particle inspection with an adjustable ca

Details Apparatus for magnetic particle inspection with an adjustable ca Apparatus for magnetic particle inspection with an adjustable ca

1989-08-07

1991-10-01

Snow, Walter E.

Electricity: measuring and testing

Magnetic

By paramagnetic particles

324228, 324262, G01N 2784, G01R 3312

Patent

active

050537024

ABSTRACT:
A magnetic particle inspection system includes apparatus for applying a magnetic field to an inspection area of a metal structure. This apparatus comprises a power cable arranged in at least one cable inspection loop to which electrical power is connected. In this way the adjacent inspection area is magnetized. The inspection aea is sprayed with disclosing fluid and an ultra violet light illuminates the sprayed area. The length of the cable inspection loop is adjustable so that the area of the inspection area can be varied. The apparatus is particularly designed to be mounted on a remotely operated vehicle.

REFERENCES:
patent: 2258274 (1941-10-01), Betz
patent: 3167161 (1965-01-01), Appleton
patent: 3337695 (1967-08-01), Brown
patent: 4388593 (1983-06-01), Mittleman
Patent Abstracts of Japan, vol. 8, No. 33, p. 254, Abstract of JP 58-189554, 11/1983.

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