Core laminations, particularly for transformers

Details Core laminations, particularly for transformers Core laminations, particularly for transformers

1980-05-05

1982-11-02

Kozma, Thomas J.

Inductor devices

Plural part core

336217, H01F 2724

Patent

active

043575870

ABSTRACT:
Core laminations of the UI or EI type for iron cores, particularly for transformers, having two or three legs of equal length e and equal width f, spaced mutually apart by the same distance h, wherein the width c.sub.1 of the jointlessly connecting yoke is greater than the width c.sub.2 of the parted yoke, using the following dimensions: 1.1f.ltoreq.c.sub.1 .ltoreq.2.1f and 1.0f.ltoreq.c.sub.2 .ltoreq.1.5f and 0.1f.ltoreq.c.sub.1 -c.sub.2 .ltoreq.0.6f. Preferred dimensions for a waste-free UI shape and a suitable EI shape are: c.sub.1 =1.4f; c.sub.2 =h=1.2f; e=3.2f. Preferred dimensions for a waste-free EI shape are: c.sub.1 =1.5f; c.sub.2 =h=1.2f; e=2.7f.

REFERENCES:
patent: 2143745 (1939-01-01), Sola
patent: 2489977 (1949-11-01), Porter
patent: 2806199 (1957-09-01), Sola
patent: 3461758 (1969-08-01), Michiulis
patent: 3546571 (1970-12-01), Fletcher et al.
patent: 4149136 (1979-04-01), Philberth et al.
patent: 4158186 (1979-06-01), Philberth et al.
"Technische Angabon zum PMz", Philberth, Feb. 1978.

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