Core with step-lap joints

Details Core with step-lap joints Core with step-lap joints

1979-01-04

1980-04-29

Kozma, Thomas J.

Inductor devices

Core joint structure

Overlapping laminations

29606, H01F 2724

Patent

active

042008549

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: 3153215 (1964-10-01), Burkhardt et al.
patent: 3210709 (1965-10-01), Ellis et al.
patent: 3477053 (1969-11-01), Burkhardt et al.
patent: 3504318 (1970-03-01), Wilburn et al.
patent: 3540120 (1970-11-01), DeLaurentis et al.
patent: 3559136 (1971-01-01), Specht et al.
patent: 3611234 (1971-10-01), DeLaurentis et al.
patent: 3670279 (1972-06-01), Millsop 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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