Wound core for an electric transformer

Details Wound core for an electric transformer Wound core for an electric transformer

1984-07-05

1986-02-11

Kozma, Thomas J.

Inductor devices

Wound core

336219, 336234, H01F 2724

Patent

active

045701415

ABSTRACT:
An annular form of magnetic steel comprises a plurality of elongated sheets wound in superposed relationship about a reference axis. The sheets respectively define reference annuli, which are of progressively greater diameter as the annular form is wound about said reference axis. At least one of said reference annuli has a substantially greater diameter at one edge of the annular form than at the opposite edge of the form. At least some of the sheets that are located radially outward of said one reference annulus are provided with thickening means giving these sheets an effective thickness at one side greater than at their other side. Said one side is located on the opposite side of the longitudinal center line of the sheet from said one edge of the annular form.

REFERENCES:
patent: 2257760 (1941-10-01), Nyberg
patent: 3027628 (1962-04-01), Wilk et al.
patent: 3186066 (1965-06-01), Metzger
patent: 3557592 (1971-01-01), Corns
patent: 4160371 (1979-07-01), Wilkening et al.
patent: 4347723 (1982-09-01), Bradlee

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