Apparatus for automatically magnetizing permanent magnet bodies,

Details Apparatus for automatically magnetizing permanent magnet bodies, Apparatus for automatically magnetizing permanent magnet bodies,

1975-03-06

1977-11-15

Corcoran, Robert J.

Electricity: measuring and testing

Magnetic

Permanent magnet testing

209 81A, G01R 3312

Patent

active

040587630

ABSTRACT:
An elongated generally U-shaped ferromagnetic yoke has a series of coils embedded in its leg portions at spaced positions along its length so that a magnet body can be moved along the length of the air gap of the yoke so that that it can be magnetized and measured for a magnetic characteristic. A conveyor and a sorting device are also included so that magnet bodies exceeding minimum standards can be selected automatically. Other functions, such as partial demagnetization, and complete demagnetization, can be accomplished by other coils, or permanent magnets, embedded in the yoke.

REFERENCES:
patent: RE21927 (1941-10-01), Brace et al.
patent: 2427774 (1947-09-01), Fredrickson
patent: 2822088 (1958-02-01), Beaumont et al.
patent: 3139567 (1964-06-01), Atkinson
patent: 3365660 (1968-01-01), Steingroever
patent: 3430133 (1969-02-01), Greiner et al.
patent: 3478876 (1969-11-01), Littwin et al.
patent: 3586164 (1971-06-01), Pool
patent: 3624572 (1971-11-01), Mallinson

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