Electromagnet with press die and adjustable air gap

Details Electromagnet with press die and adjustable air gap Electromagnet with press die and adjustable air gap

1990-09-18

1992-01-07

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

For magnetizing or demagnetizing

296021, 29608, 100917, 264DIG58, 148103, 148108, H01F 720, H01F 1300, H01F 706, C21D 104

Patent

active

050795341

ABSTRACT:
An apparatus for magnetizing a permanent magnet which includes a frame including first and second relatively movable members arranged to form a core frame which supports first and second conic co-axial poles enclosed by the movable frame members for creating a magnetic flux circuit with an adjustable air gap for enclosing a product to be magnetized. The apparatus is energized by coils wound about the poles and enclosing the air gap. The poles include a bore co-axially aligned with the co-axial axis of the poles and a press ram dimensioned to move within the bore.

REFERENCES:
patent: 3250831 (1966-05-01), Hooper
patent: 3412461 (1968-11-01), Cochardt

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