Core lamination for shell-type cores, preferably for transformer

Details Core lamination for shell-type cores, preferably for transformer Core lamination for shell-type cores, preferably for transformer

1977-10-05

1979-04-10

Kozma, Thomas J.

Inductor devices

Core joint structure

Overlapping laminations

336234, H01F 2724

Patent

active

041491360

ABSTRACT:
The invention concerns a transformer lamination having a center leg, two outer legs and two yokes connecting these legs and having at least one joint between one side of the center leg and the adjacent yoke. Characteristic features are that the length of the joint at each side of the center axis is at least 0.75 times the center leg width and that the joint has at least one concave part and at least one convex part on at least one side of the center axis. A preferred embodiment contains two symmetrical joints, each of them comprising two sections which are parallel to the center axis and one section which is perpendicular to the center axis.

REFERENCES:
patent: 1385624 (1921-07-01), Kent
patent: 3270307 (1966-08-01), Jean et al.
patent: 3546571 (1970-12-01), Fletcher et al.
patent: 3631534 (1971-12-01), Hirota et al.

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