Core of a core-type transformer

Details Core of a core-type transformer Core of a core-type transformer

1976-11-03

1979-02-20

Kozma, Thomas J.

Inductor devices

With temperature modifier

Ventilating passages

336217, H01F 2708, H01F 2726

Patent

active

041409876

ABSTRACT:
In a three-phase and three-leg core structure of a core-type transformer comprising three main legs of a substantially circular cross-sectional shape and a yoke of a non-circular cross-sectional shape for magnetically connecting the three main legs, each of the three main legs having a cross-sectional area substantially equal to the cross-sectional area of the yoke, wherein at least joints between the steel plate laminations of a center main leg and the adjoining steel plate laminations of the yoke are in a mitered oblique joint without requiring the shearing of the ends of the steel plate laminations, and the edges of the leg and yoke laminations at which edges the oblique miter joints are formed approach each other in length.

REFERENCES:
patent: 2300964 (1942-11-01), Putman
patent: 2628273 (1953-02-01), Somerville
patent: 3069643 (1962-12-01), Stein et al.
patent: 3157850 (1964-11-01), Winter et al.
patent: 3200358 (1965-08-01), Weydli
patent: 3201733 (1965-08-01), Brown
patent: 3212042 (1965-10-01), Twomey
patent: 3283281 (1966-11-01), Stein et al.
patent: 3559136 (1971-01-01), Specht et al.
patent: 3569886 (1971-03-01), Specht

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