Method of making an electrical inductive apparatus

Details Method of making an electrical inductive apparatus Method of making an electrical inductive apparatus

1979-08-03

1981-08-18

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29609, H01F 4102

Patent

active

042838428

ABSTRACT:
New and improved magnetic cores for electrical inductive apparatus, and new and improved methods of constructing electrical apparatus, which facilitate the manufacture of such apparatus. The new and improved magnetic cores are of the stacked type, and they utilize different step-lap joints between selected yoke and leg members of the magnetic core. The new and improved methods include the steps of prestacking the leg members, stacking the bottom yoke member while the legs are substantially horizontally oriented, starting at one side of the leg members and progressing to the other side, and stacking the upper yoke member while the legs are substantially vertically oriented, starting from substantially the midpoints of the leg members and progressing outwardly in opposite directions.

REFERENCES:
patent: 3504318 (1970-03-01), Wilburn et al.
patent: 3743991 (1973-07-01), Gumpper et al.
patent: 3895336 (1975-07-01), Pitman
patent: 3918153 (1975-11-01), Burkhardt et al.

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